ISSI IS93C46D 1-KBIT SERIAL ELECTRICALLY ERASABLE PROM (R) ADVANCED INFORMATION NOVEMBER 2005 FEATURES DESCRIPTION * Industry-standard Microwire Interface -- Non-volatile data storage -- Wide voltage operation: Vcc = 1.8V to 5.5V -- Full TTL compatible inputs and outputs -- Auto increment for efficient data dump * User Configured Memory Organization -- By 16-bit or by 8-bit * Hardware and software write protection -- Defaults to write-disabled state at power-up -- Software instructions for write-enable/disable * Enhanced low voltage CMOS E2PROM technology * Versatile, easy-to-use Interface -- Self-timed programming cycle -- Automatic erase-before-write -- Programming status indicator -- Word and chip erasable -- Chip select enables power savings * Durable and reliable -- 40-year data retention after 1M write cycles -- 1 million write cycles -- Unlimited read cycles -- Schmitt-trigger inputs * Lead-free available The IS93C46D is a 1Kb non-volatile, ISSI (R) serial EEPROM. It is fabricated using an enhanced CMOS design and process. The IS93C46D contains power-efficient read/write memory, and organization of 128 bytes of 8 bits or 64 words of 16 bits. When the ORG pin is connected to Vcc or left unconnected, x16 is selected; when it is connected to ground, x8 is selected. An instruction set defines the operation of the devices, including read, write, and mode-enable functions. To protect against inadvertent data modification, all erase and write instructions are accepted only while the device is write-enabled. A selected x8 byte or x16 word can be modified with a single WRITE or ERASE instruction. Additionally, the two instructions WRITE ALL or ERASE ALL can program the entire array. Once a device begins its self-timed program procedure, the data out pin (Dout) can indicate the READY/ BUSY status by raising chip select (CS). The selftimed write cycle includes an automatic erasebefore-write capability. The device can output any number of consecutive bytes/words using a single READ instruction. FUNCTIONAL BLOCK DIAGRAM DATA REGISTER INSTRUCTION REGISTER DIN CS SK DUMMY BIT DOUT R/W AMPS INSTRUCTION DECODE, CONTROL, AND CLOCK GENERATION ADDRESS REGISTER ADDRESS DECODER EEPROM ARRAY 128x8 64x16 WRITE ENABLE HIGH VOLTAGE GENERATOR Copyright (c) 2005 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any time without notice. ISSI assumes no liability arising out of the application or use of any information, products or services described herein. Customers are advised to obtain the latest version of this device specification before relying on any published information and before placing orders for products. Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. 00E 10/25/05 1 ISSI IS93C46D (R) PIN CONFIGURATIONS 8-Pin DIP, 8-Pin TSSOP 8-Pin JEDEC SOIC "G" 8-Pin JEDEC SOIC "GR" NC 1 8 ORG CS 1 8 VCC VCC 2 7 GND SK 2 7 NC ORG CS 3 6 DOUT DIN 3 6 ORG GND SK 4 5 DIN DOUT 4 5 GND CS 1 8 VCC SK 2 7 NC DIN 3 6 DOUT 4 5 (Rotated) PIN DESCRIPTIONS CS Chip Select SK Serial Data Clock DIN Serial Data Input DOUT Serial Data Output ORG Organization Select NC Not Connected Vcc Power GND Ground instruction begins with a start bit of the logical "1" or HIGH. Following this are the opcode (2 bits), address field (6 or 7 bits), and data, if appropriate. The clock signal may be held stable at any moment to suspend the device at its last state, allowing clockspeed flexibility. Upon completion of bus communication, CS would be pulled LOW. The device then would enter Standby mode if no internal programming is underway. Read (READ) Applications The IS93C46D is very popular in many applications which require low-power, low-density storage. Applications using this device include industrial controls, networking, and numerous other consumer electronics. Endurance and Data Retention The IS93C46D is designed for applications requiring up to 1M programming cycles (WRITE, WRALL, ERASE and ERAL). It provides 40 years of secure data retention without power after the execution of 1M programming cycles. Device Operations The IS93C46D is controlled by a set of instructions which are clocked-in serially on the Din pin. Before each low-to-high transition of the clock (SK), the CS pin must have already been raised to HIGH, and the Din value must be stable at either LOW or HIGH. Each 2 The READ instruction is the only instruction that outputs serial data on the DOUT pin. After the read instruction and address have been decoded, data is transferred from the selected memory register into a serial shift register. (Please note that one logical "0" bit precedes the actual 8 or 16-bit output data string.) The output on DOUT changes during the low-to-high transitions of SK (see Figure 3). Low Voltage Read The IS93C46D has been designed to ensure that data read operations are reliable in low voltage environments. They provide accurate operation with Vcc as low as 1.8V. Auto Increment Read Operations In the interest of memory transfer operation applications, the IS93C46D has been designed to output a continuous stream of memory content in response to a single read operation instruction. To utilize this function, the system asserts a read instruction specifying a start location address. Once the 8 or 16 bits of the addressed register have been clocked out, the data in consecutively higher address locations is output. The address will wrap around continuously with CS HIGH until the chip select (CS) control pin is brought LOW. This allows for single instruction data dumps to be executed with a minimum of firmware overhead. Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. 00E 10/25/05 ISSI IS93C46D (R) Write Enable (WEN) Write All (WRALL) The write enable (WEN) instruction must be executed before any device programming (WRITE, WRALL, ERASE, and ERAL) can be done. When Vcc is applied, this device powers up in the write disabled state. The device then remains in a write disabled state until a WEN instruction is executed. Thereafter, the device remains enabled until a WDS instruction is executed or until Vcc is removed. (See Figure 4.) (Note: Chip select must remain LOW until Vcc reaches its operational value.) The write all (WRALL) instruction programs all registers with the data pattern specified in the instruction. As with the WRITE instruction, the falling edge of CS must occur to initiate the self-timed programming cycle. If CS is then brought HIGH after a minimum wait of 200 ns (tCS), the DOUT pin indicates the READY/BUSY status of the chip (see Figure 6). Vcc is required to be above 4.5V for WRALL to function properly. Write (WRITE) The WRITE instruction includes 8 or 16 bits of data to be written into the specified register. After the last data bit has been applied to DIN, and before the next rising edge of SK, CS must be brought LOW. If the device is write-enabled, then the falling edge of CS initiates the self-timed programming cycle (see WEN). If CS is brought HIGH, after a minimum wait of 200 ns (5V operation) after the falling edge of CS (tCS) DOUT will indicate the READY/BUSY status of the chip. Logical "0" means programming is still in progress; logical "1" means the selected register has been written, and the part is ready for another instruction (see Figure 5). The READY/BUSY status will not be available if: a) The CS input goes HIGH after the end of the self-timed programming cycle, tWP; or b) Simultaneously CS is HIGH, Din is HIGH, and SK goes HIGH, which clears the status flag. Write Disable (WDS) The write disable (WDS) instruction disables all programming capabilities. This protects the entire device against accidental modification of data until a WEN instruction is executed. (When Vcc is applied, this part powers up in the write disabled state.) To protect data, a WDS instruction should be executed upon completion of each programming operation. Erase Register (ERASE) After the erase instruction is entered, CS must be brought LOW. The falling edge of CS initiates the self-timed internal programming cycle. Bringing CS HIGH after a minimum of tCS, will cause DOUT to indicate the READ/BUSY status of the chip: a logical "0" indicates programming is still in progress; a logical "1" indicates the erase cycle is complete and the part is ready for another instruction (see Figure 8). Erase All (ERAL) Full chip erase is provided for ease of programming. Erasing the entire chip involves setting all bits in the entire memory array to a logical "1" (see Figure 9). Vcc is required to be above 4.5V for ERAL to function properly. INSTRUCTION SET - IS93C46D (1Kb) Instruction(2) Start Bit OP Code 8-bit Organization (ORG = GND) Address (1) Input Data 16-bit Organization (ORG = Vcc) Address (1) Input Data READ 1 10 (A6-A0) -- (A5-A0) -- WEN (Write Enable) 1 00 11xxxxx -- 11xxxx -- WRITE 1 01 (A6-A0) (D7-D0) (A5-A0) (D15-D0) WRALL (Write All Registers) 1 00 01xxxxx (D7-D0) 01xxxx (D15-D0) WDS (Write Disable) 1 00 00xxxxx -- 00xxxx -- ERASE 1 11 (A6-A0) -- (A5-A0) -- ERAL (Erase All Registers) 1 00 10xxxxx -- 10xxxx -- Notes: 1. x = Don't care bit. 2. If the number of bits clocked-in does not match the number corresponding to a selected command, all extra trailing bits are ignored, and WRITE, WRALL, ERASE, ERAL are also ignored, and READ, WEN, WDS are accepted. Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. 00E 10/25/05 3 ISSI IS93C46D (R) ABSOLUTE MAXIMUM RATINGS(1) Symbol Parameter VS VP TBIAS TSTG IOUT Supply Voltage Voltage on Any Pin Temperature Under Bias Storage Temperature Output Current Value Unit -0.5 to +6.5 -0.5 to Vcc + 0.5 -55 to +125 -65 to +150 5 V V C C mA Notes: 1. Stress greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. OPERATING RANGE Range Industrial Ambient Temperature -40C to +85C Automotive VCC 1.8V to 5.5V -40C to +125C 2.5V to 5.5V o Note: ISSI offers Industrial grade for Commercial applications (0 C to +70oC) CAPACITANCE 4 Symbol Parameter CIN Input Capacitance COUT Output Capacitance Conditions Max. Unit VIN = 0V 5 pF VOUT = 0V 5 pF Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. 00E 10/25/05 ISSI IS93C46D (R) DC ELECTRICAL CHARACTERISTICS TA = -40C to +85C for Industrial and -40C to +125C for Automotive. Symbol Parameter Test Conditions VOL2 Output LOW Voltage IOL = 100 A VOL1 Output LOW Voltage VOH2 Vcc Min. Max. Unit 1.8V to 2.7V -- 0.2 V IOL = 2.1mA 2.7V to 5.5V -- 0.4 V Output HIGH Voltage IOH = -100 A 1.8V to 2.7V VCC - 0.2 -- V VOH1 Output HIGH Voltage IOH = -400 A 2.7V to 5.5V 2.4 -- V VIH Input HIGH Voltage 1.8V to 2.7V 2.7V to 5.5V 0.7XVCC 2.0 VCC+1 VCC+1 V VIL Input LOW Voltage 1.8V to 2.7V 2.7V to 5.5V -0.3 -0.3 0.2XVCC 0.8 V ILI Input Leakage VIN = 0V to VCC (CS, SK,DIN,ORG) 0 2.5 A ILO Output Leakage VOUT = 0V to VCC, CS = 0V 0 2.5 A Notes: Automotive grade devices in this table are tested with Vcc = 2.5V to 5.5V and 4.5V to 5.5V. An operation with Vcc <2.5V is not specified. POWER SUPPLY CHARACTERISTICS TA = -40C to +85C for Industrial, -40C to +125C for Automotive. Symbol Parameter Test Conditions Vcc ICC1 Vcc Read Supply Current CS = VIH, SK = 1 MHz, CMOS input levels CS = VIH, SK = 2 MHz, CMOS input levels CS = VIH, SK = 2 MHz, CMOS input levels 1.8V 2.5V 5.0V -- -- -- 0.1 0.2 0.5 1 1 2 mA mA mA ICC2 Vcc Write Supply Current CS = VIH, SK = 1 MHz, CMOS input levels CS = VIH, SK = 2 MHz, CMOS input levels CS = VIH, SK = 2 MHz, CMOS input levels 1.8V 2.5V 5.0V -- -- -- 0.5 1 2 1 2 3 mA mA mA ISB1 Standby Current CS = GND, SK = GND ORG = Vcc or Floating (x16) DIN = Vcc or GND 1.8V 2.5V 5.0V -- -- -- 0.1 0.1 0.2 1 2 4 A A A ISB2 Standby Current CS = GND, SK = GND ORG = GND (x8) DIN = Vcc or GND 1.8V 2.5V 5.0V -- -- -- 6 6 10 10 10 15 A A A Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. 00E 10/25/05 Min. Typ. Max. Unit 5 ISSI IS93C46D (R) AC ELECTRICAL CHARACTERISTICS TA = -40C to +85C for Industrial Symbol Parameter Test Conditions Min. Max. Unit fSK SK Clock Frequency 1.8V Vcc < 2.5V 2.5V Vcc < 4.5V 4.5V Vcc 5.5V 0 0 0 1 2 3 Mhz Mhz Mhz tSKH SK HIGH Time 1.8V Vcc < 2.5V 2.5V Vcc < 4.5V 4.5V Vcc 5.5V 250 200 200 -- -- -- ns ns ns tSKL SK LOW Time 1.8V Vcc < 2.5V 2.5V Vcc < 4.5V 4.5V Vcc 5.5V 250 200 100 -- -- -- ns ns ns tCS Minimum CS LOW Time 1.8V Vcc < 2.5V 2.5V Vcc < 4.5V 4.5V Vcc 5.5V 250 200 200 -- -- -- ns ns ns tCSS CS Setup Time Relative to SK 1.8V Vcc < 2.5V 2.5V Vcc < 4.5V 4.5V Vcc 5.5V 200 100 50 -- -- -- ns ns ns tDIS Din Setup Time Relative to SK 1.8V Vcc < 2.5V 2.5V Vcc < 4.5V 4.5V Vcc 5.5V 100 50 50 -- -- -- ns ns ns tCSH CS Hold Time Relative to SK 1.8V Vcc < 2.5V 2.5V Vcc < 4.5V 4.5V Vcc 5.5V 0 0 0 -- -- -- ns ns ns tDIH Din Hold Time Relative to SK 1.8V Vcc < 2.5V 2.5V Vcc < 4.5V 4.5V Vcc 5.5V 50 50 50 -- -- -- ns ns ns tPD1 Output Delay to "1" AC Test 1.8V Vcc < 2.5V 2.5V Vcc < 4.5V 4.5V Vcc 5.5V -- -- -- 400 200 100 ns ns ns tPD0 Output Delay to "0" AC Test 1.8V Vcc < 2.5V 2.5V Vcc < 4.5V 4.5V Vcc 5.5V -- -- -- 400 200 100 ns ns ns tSV CS to Status Valid AC Test 1.8V Vcc < 2.5V 2.5V Vcc < 4.5V 4.5V Vcc 5.5V -- -- -- 400 200 200 ns ns ns tDF CS to Dout in 3-state AC Test, CS=VIL 1.8V Vcc < 2.5V 2.5V Vcc < 4.5V 4.5V Vcc 5.5V -- -- -- 100 100 100 ns ns ns tWP Write Cycle Time 1.8V Vcc < 2.5V 2.5V Vcc < 4.5V 4.5V Vcc 5.5V -- -- -- 10 5 5 ms ms ms Notes: 1. C L = 100pF 6 Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. 00E 10/25/05 ISSI IS93C46D (R) AC ELECTRICAL CHARACTERISTICS TA = -40C to +125C for Automotive Symbol Parameter fSK tSKH tSKL tCS tCSS tDIS tCSH tDIH tPD1 tPD0 tSV tDF tWP Test Conditions SK Clock Frequency SK HIGH Time SK LOW Time Minimum CS LOW Time CS Setup Time Din Setup Time CS Hold Time Din Hold Time Output Delay to "1" Output Delay to "0" CS to Status Valid CS to Dout in 3-state Write Cycle Time Relative to SK Relative to SK Relative to SK Relative to SK AC Test AC Test AC Test AC Test, CS=VIL Min. Max. Unit 2.5V Vcc < 4.5V 0 2 Mhz 4.5V Vcc 5.5V 0 3 Mhz 2.5V Vcc < 4.5V 200 -- ns 4.5V Vcc 5.5V 200 -- ns 2.5V Vcc < 4.5V 200 -- ns 4.5V Vcc 5.5V 100 -- ns 2.5V Vcc < 4.5V 200 -- ns 4.5V Vcc 5.5V 200 -- ns 2.5V Vcc < 4.5V 100 -- ns 4.5V Vcc 5.5V 50 -- ns 2.5V Vcc < 4.5V 50 -- ns 4.5V Vcc 5.5V 50 -- ns 2.5V Vcc < 4.5V 0 -- ns 4.5V Vcc 5.5V 0 -- ns 2.5V Vcc < 4.5V 50 -- ns 4.5V Vcc 5.5V 50 -- ns 2.5V Vcc < 4.5V -- 200 ns 4.5V Vcc 5.5V -- 100 ns 2.5V Vcc < 4.5V -- 200 ns 4.5V Vcc 5.5V -- 100 ns 2.5V Vcc < 4.5V -- 200 ns 4.5V Vcc 5.5V -- 200 ns 2.5V Vcc < 4.5V -- 100 ns 4.5V Vcc 5.5V -- 100 ns 2.5V Vcc < 4.5V -- 5 ms 4.5V Vcc 5.5V -- 5 ms Notes: 1. C L = 100pF Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. 00E 10/25/05 7 ISSI IS93C46D (R) AC WAVEFORMS FIGURE 2. SYNCHRONOUS DATA TIMING CS T tCSS tSKH tSKL tCSH SK tDIS tDIH DIN tPD0 tPD1 tDF DOUT (READ) tSV tDF DOUT (WRITE) (WRALL) (ERASE) (ERAL) STATUS VALID FIGURE 3. READ CYCLE TIMING tCS CS DIN DOUT 1 1 0 An A0 0 Dm D0 * *Address Pointer Cycles to the Next Register Notes: To determine address bits An-A0 and data bits Dm-Do, see Instruction Set for the specific device. 8 Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. 00E 10/25/05 ISSI IS93C46D (R) AC WAVEFORMS FIGURE 4. WRITE ENABLE (WEN) CYCLE TIMING tCS CS DIN 1 0 0 1 1 DOUT = 3-state FIGURE 5. WRITE (WRITE) CYCLE TIMING tCS CS DIN 1 0 1 An A0 Dm D0 tSV DOUT BUSY tDF READY tWP Notes: 1. After the completion of the instruction (DOUT is in READY status) then it may perform another instruction. If device is in BUSY status (DOUT indicates BUSY status) then attempting to perform another instruction could cause device malfunction. 2. To determine address bits An-A0 and data bits Dm-D0, see Instruction Set for the specific device. Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. 00E 10/25/05 9 ISSI IS93C46D (R) AC WAVEFORMS FIGURE 6. WRITE ALL (WRALL) CYCLE TIMING tCS CS 1 DIN 0 0 0 1 Dm D0 tSV BUSY DOUT READY tWP Notes: 1. After the completion of the instruction (DOUT is in READY status) then it may perform another instruction. If device is in BUSY status (DOUT indicates BUSY status) then attempting to perform another instruction could cause device malfunction. 2. To determine data bits Dm-D0, see Instruction Set for the appropriate device. FIGURE 7. WRITE DISABLE (WDS) CYCLE TIMING tCS CS DIN 1 0 0 0 0 DOUT = 3-STATE 10 Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. 00E 10/25/05 ISSI IS93C46D (R) AC WAVEFORMS FIGURE 8. ERASE (REGISTER ERASE) CYCLE TIMING tCS CS DIN 1 1 1 An An-1 A0 tSV DOUT tDF BUSY READY tWP Notes: To determine data bits An - A0, see Instruction Set for the appropriate device. FIGURE 9. ERASE ALL (ERAL) CYCLE TIMING tCS CS DIN 1 0 0 1 0 tSV DOUT BUSY tDF READY tWP Note for Figures 8 and 9: After the completion of the instruction (DOUT is in READY status) then it may perform another instruction. If device is in BUSY status (DOUT indicates BUSY status) then attempting to perform another instruction could cause device malfunction. Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. 00E 10/25/05 11 ISSI IS93C46D (R) ORDERING INFORMATION Industrial Range: -40C to +85C Voltage Range 1.8V to 5.5V Order Part No. IS93C46D-2PI IS93C46D-2GI IS93C46D-2GRI IS93C46D-2ZI Package 300-mil Plastic DIP SOIC (rotated) JEDEC SOIC JEDEC 169-mil TSSOP ORDERING INFORMATION Industrial Range: -40C to +85C, Lead-free Voltage Range 1.8V to 5.5V Order Part No. IS93C46D-2PLI IS93C46D-2GLI IS93C46D-2GRLI IS93C46D-2ZLI Package 300-mil Plastic DIP SOIC (rotated) JEDEC SOIC JEDEC 169-mil TSSOP ORDERING INFORMATION Automotive Range: -40C to +125C, Lead-free Voltage Range 2.5V to 5.5V 12 Order Part No. IS93C46D-3PLA3 IS93C46D-3GRLA3 Package 300-mil Plastic DIP SOIC JEDEC Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. 00E 10/25/05 ISSI PACKAGING INFORMATION (R) 300-mil Plastic DIP Package Code: N,P N E1 1 D S S SEATING PLANE B1 E A L C A1 FOR 32-PIN ONLY e MILLIMETERS Sym. Min. INCHES Max. Min. Max. 4.57 9.53 8.26 0.145 0.015 0.014 0.045 0.032 0.008 0.359 0.300 0.180 E 3.68 0.38 0.36 1.14 0.81 0.20 9.12 7.62 E1 6.20 6.60 0.244 0.260 eA e 8.13 9.65 0.320 0.380 L 3.18 -- 0.125 -- S 0.64 0.762 0.025 0.030 N0. Leads A A1 B B1 B2 C D B2 B eA Notes: 1. Controlling dimension: inches, unless otherwise specified. 2. BSC = Basic lead spacing between centers. 3. Dimensions D and E1 do not include mold flash protrusions and should be measured from the bottom of the package. 4. Formed leads shall be planar with respect to one another within 0.004 inches at the seating plane. 8 -- 0.56 1.52 1.17 0.33 2.54 BSC -- 0.022 0.060 0.046 0.013 0.375 0.325 0.100 BSC Copyright (c) 2003 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any time without notice. ISSI assumes no liability arising out of the application or use of any information, products or services described herein. Customers are advised to obtain the latest version of this device specification before relying on any published information and before placing orders for products. Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. D 02/14/03 ISSI PACKAGING INFORMATION 150-mil Plastic SOP Package Code: G, GR (R) N E H 1 D SEATING PLANE A A1 e L C B Symbol Ref. Std. No. Leads A A1 B C D E H e L 150-mil Plastic SOP (G, GR) Min Max Min Max Inches mm 8 8 -- 0.068 -- 1.73 0.004 0.009 0.1 0.23 0.013 0.020 0.33 0.51 0.007 0.010 0.18 0.25 0.189 0.197 4.8 5 0.150 0.157 3.81 3.99 0.228 0.245 5.79 6.22 0.050 BSC 1.27 BSC 0.020 0.035 0.51 0.89 Notes: 1. Controlling dimension: inches, unless otherwise specified. 2. BSC = Basic lead spacing between centers. 3. Dimensions D and E1 do not include mold flash protrusions and should be measured from the bottom of the package. 4. Formed leads shall be planar with respect to one another within 0.004 inches at the seating plane. Integrated Silicon Solution, Inc. -- 1-800-379-4774 Rev. C 10/03/01 2 ISSI PACKAGING INFORMATION Thin Shrink Small Outline TSSOP Package Code: Z (8 pin, 14 pin) N E1 1 E N/2 A1 D A2 A L C e B TSSOP (Z) Ref. Std. JEDEC MO-153 No. Leads 8 Millimeters Inches Symbol Min Max Min Max A -- 1.20 -- 0.047 A1 0.05 0.15 0.002 0.006 A2 0.80 1.05 0.032 0.041 B 0.19 0.30 0.007 0.012 C 0.09 0.20 0.004 0.008 D 2.90 3.10 0.114 0.122 E1 4.30 4.50 0.169 0.177 E 6.40 BSC 0.252 BSC e 0.65 BSC 0.026 BSC L 0.45 0.75 0.018 0.030 -- 8 -- 8 TSSOP (Z) Ref. Std. JEDEC MO-153 No. Leads 14 Millimeters Inches Symbol Min Max Min Max A -- 1.20 -- 0.047 A1 0.05 0.15 0.002 0.006 A2 0.80 1.05 0.031 0.041 B 0.19 0.30 0.007 0.012 C 0.09 0.20 0.0035 0.008 D 4.90 5.10 0.193 0.201 E1 4.30 4.50 0.170 0.177 E 6.40 BSC 0.252 BSC e 0.65 BSC 0.026 BSC L 0.45 0.75 0.0177 0.0295 -- 8 -- 8 SSI reserves the right to make changes to its products at any time without notice in order to improve design and supply the best possible product. We assume no responsibility for any errors which may appear in this publication. (c) Copyright 2002, Integrated Silicon Solution, Inc. Integrated Silicon Solution, Inc. Rev B 02/01/02 (R)