IS61LV12816L IS61LV12816LL ISSI 128K x 16 HIGH-SPEED CMOS STATIC RAM WITH 3.3V SUPPLY (R) JUNE 2003 FEATURES DESCRIPTION * High-speed access time: IS61LV12816L: 8, 10 ns IS61LV12816LL: 12 ns * Operating Current: IS61LV12816L: 50mA (typ.) IS61LV12816LL: 30mA (typ.) * Stand by Current: IS61LV12816L: 700A (typ.) IS61LV12816LL: 400A(typ.) * TTL and CMOS compatible interface levels * Single 3.3V power supply * Fully static operation: no clock or refresh required * Three state outputs * Data control for upper and lower bytes * Industrial temperature available The ISSI IS61LV12816L/IS61LV12816LL is a high-speed, 2,097,152-bit static RAM organized as 131,072 words by 16 bits. It is fabricated using ISSI's high-performance CMOS technology. This highly reliable process coupled with innovative circuit design techniques, yields access times as fast as 8 ns with low power consumption. When CE is HIGH (deselected), the device assumes a standby mode at which the power dissipation can be reduced down with CMOS input levels. Easy memory expansion is provided by using Chip Enable and Output Enable inputs, CE and OE. The active LOW Write Enable (WE) controls both writing and reading of the memory. A data byte allows Upper Byte (UB) and Lower Byte (LB) access. The IS61LV12816L/IS61LV12816LL is packaged in the JEDEC standard 44-pin TSOP (Type II), 44-pin LQFP, and 48-pin mini BGA (6mm x 8mm). FUNCTIONAL BLOCK DIAGRAM A0-A16 DECODER 128Kx16 MEMORY ARRAY VDD GND I/O0-I/O7 Lower Byte I/O DATA CIRCUIT I/O8-I/O15 Upper Byte CE OE WE UB LB COLUMN I/O CONTROL CIRCUIT 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. B 05/28/03 1 ISSI IS61LV12816L, IS61LV12816LL (R) TRUTH TABLE Mode Not Selected Output Disabled Read Write WE CE OE LB UB X H X H H H L L L H L L L L L L L L X H X L L L X X X X X H L H L L H L X X H H L L H L L PIN CONFIGURATION 44-Pin TSOP (Type II) (T) A4 A3 A2 A1 A0 CE I/O0 I/O1 I/O2 I/O3 VDD GND I/O4 I/O5 I/O6 I/O7 WE A16 A15 A14 A13 A12 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 I/O PIN I/O0-I/O7 I/O8-I/O15 High-Z High-Z High-Z DOUT High-Z DOUT DIN High-Z DIN High-Z High-Z High-Z High-Z DOUT DOUT High-Z DIN DIN VDD Current ISB1, ISB2 ICC ICC ICC PIN DESCRIPTIONS 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 A5 A6 A7 OE UB LB I/O15 I/O14 I/O13 I/O12 GND VDD I/O11 I/O10 I/O9 I/O8 NC A8 A9 A10 A11 NC A0-A16 Address Inputs I/O0-I/O15 Data Inputs/Outputs CE Chip Enable Input OE Output Enable Input WE Write Enable Input LB Lower-byte Control (I/O0-I/O7) UB Upper-byte Control (I/O8-I/O15) NC No Connection VDD Power GND Ground Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. B 05/28/03 ISSI IS61LV12816L, IS61LV12816LL (R) PIN CONFIGURATION 48-Pin mini BGA (B) 2 3 4 5 6 LB OE A0 A1 A2 NC B I/O8 UB A3 A4 CE I/O0 C I/O9 I/O10 A5 A6 I/O1 I/O2 D GND I/O11 NC A7 I/O3 VDD E VDD I/O12 NC A16 I/O4 GND F I/O14 I/O13 A14 A15 I/O5 I/O6 G I/O15 NC A12 A13 WE I/O7 H NC A8 A9 A10 A11 NC CE I/O0 I/O1 I/O2 I/O3 VDD GND I/O4 I/O5 I/O6 I/O7 44 43 42 41 40 39 38 37 36 35 345 33 1 32 2 31 3 30 4 29 5 TOP VIEW 28 6 27 7 26 8 25 9 24 10 23 11 12 13 14 15 16 17 18 19 20 21 22 I/O15 I/O14 I/O13 I/O12 GND VDD I/O11 I/O10 I/O9 I/O8 NC WE A0 A1 A2 A3 A4 NC A5 A6 A7 A8 A A16 A15 A14 A13 A12 A11 A10 A9 OE UB LB 1 44-Pin LQFP (LQ) PIN DESCRIPTIONS A0-A16 Address Inputs I/O0-I/O15 Data Inputs/Outputs CE Chip Enable Input OE Output Enable Input WE Write Enable Input LB Lower-byte Control (I/O0-I/O7) UB Upper-byte Control (I/O8-I/O15) NC No Connection VDD Power GND Ground Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. B 05/28/03 3 ISSI IS61LV12816L, IS61LV12816LL (R) ABSOLUTE MAXIMUM RATINGS(1) Symbol VDD VTERM TSTG PT Note: Parameter Power Supply Voltage Relative to GND Terminal Voltage with Respect to GND Storage Temperature Power Dissipation Value -0.5 to 4.0V -0.5 to VDD + 0.5 -65 to + 150 1.0 Unit V V C W 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 Commercial Industrial Ambient Temperature VDD (8 nS) 0C to +70C 3.3V + 10%, -5% -40C to +85C 3.3V + 10%, -5% VDD (10 nS, 12 nS) 3.3V + 10% 3.3V + 10% DC ELECTRICAL CHARACTERISTICS (Over Operating Range) Symbol Parameter Test Conditions Min. Max. Unit VOH Output HIGH Voltage VDD = Min., IOH = -4.0 mA 2.4 -- V VOL Output LOW Voltage VDD = Min., IOL = 8.0 mA -- 0.4 V VIH Input HIGH Voltage(1) 2 VDD + 0.3 V VIL Input LOW Voltage(1) -0.3 0.8 V ILI Input Leakage GND VIN VDD -1 1 A ILO Output Leakage GND VOUT VDD, Outputs Disabled -1 1 A Note: 1. 4 VIL (min.) = -0.3V DC; VIL (min.) = -2.0V AC (pulse width - 2.0 ns). Not 100% tested. VIH (max.) = VDD + 0.3V DC; VIH (max.) = VDD + 2.0V AC (pulse width - 2.0 ns). Not 100% tested. Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. B 05/28/03 ISSI IS61LV12816L, IS61LV12816LL (R) POWER SUPPLY CHARACTERISTICS(1) (Over Operating Range) IS61LV12816L Symbol -8 ns Min. Max. -10 ns Min. Max. Parameter Test Conditions Unit ICC VDD Operating Supply Current VDD = Max., CE = VIL IOUT = 0 mA, f = Max. Com. Ind. typ.(2) -- -- -- 65 70 50 -- -- -- 60 65 50 mA ISB1 TTL Standby Current (TTL Inputs) VDD = Max., VIN = VIH or VIL CE VIH, f = max Com. Ind. -- -- 30 35 -- -- 25 30 mA ISB2 CMOS Standby Current (CMOS Inputs) VDD = Max., CE VDD - 0.2V, VIN VDD - 0.2V, or VIN 0.2V, f = 0 Com. Ind. typ.(2) -- -- -- 3 4 700 -- -- -- 3 4 700 mA mA A Note: 1. At f = fMAX, address and data inputs are cycling at the maximum frequency, f = 0 means no input lines change. 2. Typical values are measured at VDD=3.3V, TA=25oC. Not 100% tested. POWER SUPPLY CHARACTERISTICS(1) (Over Operating Range) IS61LV12816LL Symbol Parameter Test Conditions ICC VDD Operating Supply Current VDD = Max., CE = VIL IOUT = 0 mA, f = Max. ISB1 TTL Standby Current (TTL Inputs) ISB2 CMOS Standby Current (CMOS Inputs) -12 ns Min. Max. Unit Com. Ind. typ.(2) @ 15ns(3) -- -- -- -- 40 45 30 25 mA VDD = Max., VIN = VIH or VIL CE VIH, f = max Com. Ind. -- -- 20 20 mA VDD = Max., CE VDD - 0.2V, VIN VDD - 0.2V, or VIN 0.2V, f = 0 Com. Ind. typ.(2) -- -- -- 750 900 400 A A A Note: 1. At f = fMAX, address and data inputs are cycling at the maximum frequency, f = 0 means no input lines change. 2. Typical values are measured at VDD=3.3V, TA=250C. Not 100% tested. 3. For 15ns speed (tAA), Icc is measured at VDD=3.3V, TA=250C. Not 100% tested. CAPACITANCE(1) Symbol Parameter CIN Input Capacitance COUT Input/Output Capacitance Conditions Max. Unit VIN = 0V 6 pF VOUT = 0V 8 pF Note: 1. Tested initially and after any design or process changes that may affect these parameters. Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. B 05/28/03 5 ISSI IS61LV12816L, IS61LV12816LL (R) AC TEST CONDITIONS Parameter Unit Input Pulse Level 0V to 3.0V Input Rise and Fall Times 3 ns Input and Output Timing 1.5V and Reference Level Output Load See Figures 1 and 2 AC TEST LOADS 319 ZO = 50 3.3V 50 1.5V OUTPUT OUTPUT 30 pF Including jig and scope 353 5 pF Including jig and scope Figure 1. Figure 2. READ CYCLE SWITCHING CHARACTERISTICS(1) (Over Operating Range) Symbol Parameter IS61LV12816L -8 ns -10 ns Min. Max Min. Max. IS61LV12816LL -12 ns Min. Max. Unit tRC Read Cycle Time 8 -- 10 -- 12 -- ns tAA Address Access Time -- 8 -- 10 -- 12 ns tOHA Output Hold Time 3 -- 3 -- 3 -- ns tACE CE Access Time -- 8 -- 10 -- 12 ns tDOE OE Access Time -- 3.5 -- 4 -- 5 ns tHZOE(2) OE to High-Z Output -- 3.5 -- 4 -- 5 ns tLZOE(2) OE to Low-Z Output 0 -- 0 -- 0 -- ns (2) tHZCE CE to High-Z Output 0 3.5 0 4 0 5 ns (2) tLZCE CE to Low-Z Output 3.5 -- 3 -- 3 -- ns tBA LB, UB Access Time -- 3.5 -- 4 -- 5 ns tHZB(2) LB, UB to High-Z Output 0 3.5 0 4 0 5 ns tLZB LB, UB to Low-Z Output 0 -- 0 -- 0 -- ns (2) Notes: 1. Test conditions assume signal transition times of 3 ns or less, timing reference levels of 1.5V, input pulse levels of 0V to 3.0V and output loading specified in Figure 1. 2. Tested with the load in Figure 2. Transition is measured 500 mV from steady-state voltage. Not 100% tested. 6 Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. B 05/28/03 ISSI IS61LV12816L, IS61LV12816LL (R) AC WAVEFORMS READ CYCLE NO. 1(1,2) (Address Controlled) (CE = OE = VIL, UB or LB = VIL) t RC ADDRESS t AA t OHA t OHA DOUT DATA VALID PREVIOUS DATA VALID READ1.eps READ CYCLE NO. 2(1,3) t RC ADDRESS t AA t OHA OE t HZOE t DOE t LZOE CE t ACE t HZCE t LZCE LB, UB DOUT HIGH-Z t LZB t BA t HZB DATA VALID UB_CEDR2.eps Notes: 1. WE is HIGH for a Read Cycle. 2. The device is continuously selected. OE, CE, UB, or LB = VIL. 3. Address is valid prior to or coincident with CE LOW transition. Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. B 05/28/03 7 ISSI IS61LV12816L, IS61LV12816LL (R) WRITE CYCLE SWITCHING CHARACTERISTICS(1,3) (Over Operating Range) Symbol Parameter IS61LV12816L -8 ns -10 ns Min. Max Min. Max. IS61LV12816LL -12 ns Min. Max. Unit tWC Write Cycle Time 8 -- 10 -- 12 -- ns tSCE CE to Write End 7 -- 8 -- 8 -- ns tAW Address Setup Time to Write End 7 -- 8 -- 8 -- ns tHA Address Hold from Write End 0 -- 0 -- 0 -- ns tSA Address Setup Time 0 -- 0 -- 0 -- ns tPBW LB, UB Valid to End of Write 6.5 -- 8 -- 9 -- ns tPWE1 WE Pulse Width (OE = HIGH) 6 -- 7 -- 8 -- ns tPWE2 WE Pulse Width (OE = LOW) 6.5 -- 8 -- 10 -- ns tSD Data Setup to Write End 4 -- 5 -- 6 -- ns tHD Data Hold from Write End 0 -- 0 -- 0 -- ns tHZWE(3) WE LOW to High-Z Output -- 3 -- 4 -- 5 ns tLZWE(3) WE HIGH to Low-Z Output 0 -- 0 -- 0 -- ns Notes: 1. Test conditions assume signal transition times of 3 ns or less, timing reference levels of 1.5V, input pulse levels of 0V to 3.0V and output loading specified in Figure 1. 2. The internal write time is defined by the overlap of CE LOW and UB or LB, and WE LOW. All signals must be in valid states to initiate a Write, but any one can go inactive to terminate the Write. The Data Input Setup and Hold timing are referenced to the rising or falling edge of the signal that terminates the write. 3. Tested with the load in Figure 2. Transition is measured 500 mV from steady-state voltage. Not 100% tested. 8 Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. B 05/28/03 ISSI IS61LV12816L, IS61LV12816LL (R) WRITE CYCLE NO. 1(1,2) (CE Controlled, OE = HIGH or LOW) t WC VALID ADDRESS ADDRESS t SA t SCE t HA CE t AW t PWE1 t PWE2 WE t PBW UB, LB t HZWE DOUT DATA UNDEFINED t LZWE HIGH-Z t SD DIN t HD DATAIN VALID UB_CEWR1.eps Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. B 05/28/03 9 ISSI IS61LV12816L, IS61LV12816LL (R) WRITE CYCLE NO. 2(1) (WE Controlled, OE = HIGH during Write Cycle) t WC ADDRESS VALID ADDRESS t HA OE CE LOW t AW t PWE1 WE t SA t PBW UB, LB t HZWE DOUT t LZWE HIGH-Z DATA UNDEFINED t SD t HD DATAIN VALID DIN UB_CEWR2.eps WRITE CYCLE NO. 3 (WE Controlled: OE is LOW During Write Cycle) t WC ADDRESS VALID ADDRESS OE LOW CE LOW t HA t AW t PWE2 WE t SA t PBW UB, LB t HZWE DOUT DATA UNDEFINED t LZWE HIGH-Z t SD DIN t HD DATAIN VALID UB_CEWR3.eps 10 Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. B 05/28/03 ISSI IS61LV12816L, IS61LV12816LL (R) WRITE CYCLE NO. 4 (LB, UB Controlled, Back-to-Back Write) (1,3) t WC ADDRESS t WC ADDRESS 1 ADDRESS 2 OE t SA CE LOW t HA t SA WE UB, LB t HA t PBW t PBW WORD 1 WORD 2 t HZWE DOUT t LZWE HIGH-Z DATA UNDEFINED t HD t SD DIN t HD t SD DATAIN VALID DATAIN VALID UB_CEWR4.eps Notes: 1. The internal Write time is defined by the overlap of CE = LOW, UB and/or LB = LOW, and WE = LOW. All signals must be in valid states to initiate a Write, but any can be deasserted to terminate the Write. The tSA, tHA, tSD, and tHD timing is referenced to the rising or falling edge of the signal that terminates the Write. 2. Tested with OE HIGH for a minimum of 4 ns before WE = LOW to place the I/O in a HIGH-Z state. 3. WE may be held LOW across many address cycles and the LB, UB pins can be used to control the Write function. Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. B 05/28/03 11 ISSI IS61LV12816L, IS61LV12816LL (R) DATA RETENTION SWITCHING CHARACTERISTICS Symbol Parameter Test Condition VDR VDD for Data Retention See Data Retention Waveform IDR Data Retention Current VDD = 2.0V, CE VDD - 0.2V tSDR tRDR Options Com. (L) Ind. (L) Com. (LL) Ind. (LL) Min. Typ.(1) Max. Unit 2.0 -- 3.6 V -- -- -- -- 0.7 -- 0.4 -- 3 4 0.75 0.9 mA mA Data Retention Setup Time See Data Retention Waveform 0 -- -- ns Recovery Time See Data Retention Waveform tRC -- -- ns Note 1: Typical values are measured at VDD = 3.3V, TA = 25 C. Not 100% tested. O DATA RETENTION WAVEFORM (CE Controlled) tSDR Data Retention Mode tRDR VDD VDR CE GND 12 CE VDD - 0.2V Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. B 05/28/03 IS61LV12816L, IS61LV12816LL ISSI (R) ORDERING INFORMATION: IS61LV12816L Commercial Range: 0C to +70C Speed (ns) Order Part No. Package 8 IS61LV12816L-8B IS61LV12816L-8LQ IS61LV12816L-8T mini BGA (6mm x 8mm) LQFP Plastic TSOP (Type II) 10 IS61LV12816L-10LQ IS61LV12816L-10T LQFP Plastic TSOP (Type II) ORDERING INFORMATION: IS61LV12816L Industrial Range: -40C to +85C Speed (ns) Order Part No. Package 8 IS61LV12816L-8BI IS61LV12816L-8LQI IS61LV12816L-8TI mini BGA (6mm x 8mm) LQFP Plastic TSOP (Type II) 10 IS61LV12816L-10BI IS61LV12816L-10LQI IS61LV12816L-10TI mini BGA (6mm x 8mm) LQFP Plastic TSOP (Type II) ORDERING INFORMATION: IS61LV12816LL Commercial Range: 0C to +70C Speed (ns) 12 Order Part No. Package IS61LV12816LL-12T Plastic TSOP (Type II) ORDERING INFORMATION: IS61LV12816LL Industrial Range: -40C to +85C Speed (ns) 12 Order Part No. Package IS61LV12816LL-12BI IS61LV12816LL-12LQI IS61LV12816LL-12TI mini BGA (6mm x 8mm) LQFP Plastic TSOP (Type II) Integrated Silicon Solution, Inc. -- www.issi.com -- 1-800-379-4774 Rev. B 05/28/03 13 ISSI (R) PACKAGING INFORMATION Mini Ball Grid Array Package Code: B (48-pin) Top View Bottom View b (48x) 1 2 3 4 5 6 6 A 4 3 2 1 A e B B C C D D D 5 D1 E E F F G G H H e E E1 A2 Notes: 1. Controlling dimensions are in millimeters. A A1 SEATING PLANE mBGA - 6mm x 8mm mBGA - 8mm x 10mm MILLIMETERS INCHES MILLIMETER Sym. Min. Typ. Max. Min. Typ. Max. N0. Leads 48 Sym. Min. Typ. Max. N0. Leads 48 INCHES Min. Typ. Max. A -- -- 1.20 -- -- 0.047 A -- -- 1.20 -- -- 0.047 A1 0.24 -- 0.30 0.009 -- 0.012 A1 0.24 -- 0.30 0.009 -- 0.012 A2 0.60 -- -- 0.024 -- -- A2 0.60 -- -- 0.024 -- -- D 7.90 -- 8.10 0.311 -- 0.319 D 9.90 -- 10.10 0.390 -- 0.398 D1 E 5.25 BSC 5.90 -- 6.10 0.207 BSC 0.232 -- 0.240 D1 E 5.25 BSC 7.90 -- 0.207 BSC 8.10 0.311 -- 0.319 E1 3.75 BSC 0.148 BSC E1 3.75 BSC 0.148 BSC e 0.75 BSC 0.030 BSC e 0.75 BSC 0.030 BSC 0.012 0.014 0.016 b b 0.30 0.35 0.40 0.30 0.35 0.40 0.012 0.014 0.016 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 01/15/03 ISSI PACKAGING INFORMATION (R) LQFP (Low Profile Quad Flat Pack) Package Code: LQ (44-pin) D D1 E E1 b e L1 L SEATING PLANE A2 A A1 Low Profile Quad Flat Pack (LQ) Ref. Std. MS-026 No. Leads 44 Millimeters Inches Symbol Min Max Min Max A -- 1.60 -- 0.063 A1 0.05 0.15 0.002 0.006 A2 1.35 1.45 0.053 0.057 b 0.30 0.45 0.012 0.018 C 0.09 0.20 0.004 0.008 D 12.00 BSC 0.472 BSC D1 10.00 BSC 0.394 BSC E 12.00 BSC 0.472 BSC E1 10.00 BSC 0.394 BSC e 0.80 BSC 0.031 BSC L 0.45 0.75 0.018 0.030 L1 1.00 REF. 0.039 REF. 0o 7o 0o 7o Notes: 1. All dimensioning and tolerancing conforms to ANSI Y14.5M-1982. 2. Dimensions D1 and E1 do not include mold protrusions. Allowable protrusion is 0.25 mm per side. D1 and E1 include mold mismatch. 3. Controlling dimension: millimeters. 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. B 05/30/03 ISSI (R) PACKAGING INFORMATION Plastic TSOP Package Code: T (Type II) N N/2+1 E1 1 Notes: 1. Controlling dimension: millimieters, 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. E N/2 D SEATING PLANE A ZD . b e Symbol Ref. Std. No. Leads A A1 b C D E1 E e L ZD Millimeters Min Max Inches Min Max (N) 32 -- 1.20 -- 0.047 0.05 0.15 0.002 0.006 0.30 0.52 0.012 0.020 0.12 0.21 0.005 0.008 20.82 21.08 0.820 0.830 10.03 10.29 0.391 0.400 11.56 11.96 0.451 0.466 1.27 BSC 0.050 BSC 0.40 0.60 0.016 0.024 0.95 REF 0.037 REF 0 5 0 5 L A1 Plastic TSOP (T - Type II) Millimeters Inches Min Max Min Max 44 -- 1.20 -- 0.047 0.05 0.15 0.002 0.006 0.30 0.45 0.012 0.018 0.12 0.21 0.005 0.008 18.31 18.52 0.721 0.729 10.03 10.29 0.395 0.405 11.56 11.96 0.455 0.471 0.80 BSC 0.032 BSC 0.41 0.60 0.016 0.024 0.81 REF 0.032 REF 0 5 0 5 Millimeters Min Max C Inches Min Max 50 -- 1.20 0.05 0.15 0.30 0.45 0.12 0.21 20.82 21.08 10.03 10.29 11.56 11.96 0.80 BSC 0.40 0.60 0.88 REF 0 5 -- 0.047 0.002 0.006 0.012 0.018 0.005 0.008 0.820 0.830 0.395 0.405 0.455 0.471 0.031 BSC 0.016 0.024 0.035 REF 0 5 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. F 06/18/03