W24258/LL 4 Winbond s eEchoe Electronics Carp. ore 32K x 8 CMOS STATIC RAM GENERAL DESCRIPTION The W24258/LL is a normal speed, very low power CMOS static RAM organized as 32768 x 8 bits that operates on a single 5-volt power supply. This device is manufactured using Winbonc's high pertormance CMOS technology. FEATURES Low power consumption: Three-state outputs Active: 350 mW (max.) Battery back-up operation capability Standby: 25 pW (max.) Data retention voltage: 2V (min.) Access time: 55/70 nS (max.) + Packaged in 28-pin 600 mil DIP, 330 mil SOP Single 5V power supply and standard type one TSOP (8 mm ~x 13.4 * Fully static operation mm) * All inputs and outputs directly TTL compatible PIN CONFIGURATIONS BLOCK DIAGRAM Ale A R AP Go aa Clio L_ 2 Oy aac w CORE CELL ARRAY Az C] 2 a = Ad E S12ROWS ar [3 26 [] aia AS 3 64 X 8 COLUMNS AB C4 25 [|] As AB E 4s Cl 5 24 [] ag A4 Cle ; 23 [J] Ali as OC)? oI ae [OE [__vocKT. _| a2 Che a1 ate Al La 2 7] cs 4 ADC] io ia [-] vos vor [] 44 is [1 vor vo2 [] t2 17 [] vos vos [| i3 is [] vos Vgs (| 14 is [1 voa PIN DESCRIPTION a fie zB SYMBOL DESCRIPTION Ag | 3 pg fo O08 aa os a5 198 AO-A14 Address Inputs WE C7) 6 . ps 5 aie oa 58S ae ee 01-08 | Data Inputs/Outputs acia zo | vO3 . M | i i Es! cs Chip Select Input as i 13 2 al WE Write Enable Input OE Output Enable Input VDD Power Supply Vss Ground Publication Release Date: November 1998 -I- Revision ASW24258/LL Atty & Winbond TRUTH TABLE cs OE WE MODE /01- /O8 Vpp CURRENT H x x Not Selected High 2 ISB, ISB1 L H H Output Disable High 7 IDD L L H Read Data Out IDD L x L Write Data In IDD DC CHARACTERISTICS Absolute Maximum Ratings PARAMETER RATING UNIT Supply Voltage to Vss Potential -0.5 to +7.0 Vv Input/Output to Vss Potential -0.5 to VDD +0.5 V Allowable Power Dissipation 1.0 W Storage Temperature -65 to +150 C Operating Temperature 0 to 70 C Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the device. Operating Characteristics (VDD = 5V 410%; Vss = OV; TA = 0 C to 70 C) PARAMETER SYM. TEST CONDITIONS MIN. | TYP.* MAX. UNIT Input Low Voltage VIL - -0.5 - +0.8 V Input High Voltage VIH - +2.2 - Vob +0.5 V Input Leakage Current IL VIN = Vss to VDD -1 - +1 pA Output Leakage Current | ILO | yyo=Vssto Vop, CS = VIH -1 - +1 LA (min.) or OE = Vin (min.) or WE = VIL (max.) Output Low Voltage VoL | loL=+2.1 mA - - 0.4 V Output High Voltage VOH | lOH=-1.0 mA 2.4 - - Vv Operating Power IDD |GS=vIL (max.), /O =0 55 - - 70 mA Supply Current /O =O mA, Cycle = 70 - - 60 mA min. Duty =100% Standby Power Supply IsBB | GS=VH (min.), Cycle = min. - - 3 mA Current Duty = 100% IsB1_ | CS 2 VoD -0.2V - | 07 5 A Note : Typical parameter is measured under ambient temperature TA = 25 C and Vbp = 5V. _2-an G Winbond NE Flectronics Corn. W24258/LL SRR TITIES CAPACITANCE (VoD = 5V, TA = 25 C, f= 1 MHz) PARAMETER SYM. CONDITIONS MAX. UNIT Input Capacitance CIN VIN = OV 6 pF Input/Output Capacitance Cio VOUT = OV 8 pF Note: These parameters are sampled but not 100% tested. AC CHARACTERISTICS AC Test Conditions PARAMETER CONDITIONS Input Pulse Levels OV to 3.0V Input Rise and Fall Times 5n8 Input and Output Timing Reference Level 1.5V Output Load See the drawing below AC TEST LOADS AND WAVEFORM 1 7TL 1 TTL OUTPUT OUTPUT I 100 pF l 5 pF 1 Including | Including ~ Jig and ~ Jig and Scope Scope (For Tetz, ToLz, TcHz, Touz, TwHz, Tow) 304. 1+ 90% 90% a ov _| 10% 2 6 5nS 5nS Publication Release Date: November 1998 Revision ASW24258/LL Athy @ Winbond SOR Electronics Corn, SIRES I SIDS IIIS IIIS II IIIS AC Characteristics, continued (VDD = 5V 410%; Vss = OV; TA = 0 C to 70 C) Read Cycle PARAMETER SYM. W24258-55LL W24258-70LL UNIT MIN. MAX. MIN. MAX. Read Cycle Time TRC 55 - 70 - ns Address Access Time TAA - 55 - 70 ns Chip Select Access Time TACS - 55 - 70 ns Qutput Enable to Output Valid TAOE - af - 35 ns Chip Selection to Output in Low 2 TcLz* 10 - 10 - ns Output Enable to Output in Low 7 ToOLz* 5 - 5 - ns Chip Deselection te Output in High 2 TCHZ* - 20 - 30 ns Output Disable to Output in High 2 TOHzZ* - 20 - 30 ns Output Hold from Address Change TOH 10 - 10 - ns + These parameters are sampled but nat 100% tested Write Cycle PARAMETER SYM. W24258-55LL W24258-70LL UNIT MIN. MAX. MIN. MAX. Write Cycle Time Twec 55 - 70 - ns Chip Selection to End of Write Tow 40 - 50 - ns Address Valid to End of Write TAW 40 - 50 - ns Address Setup Time TAS 0 - 0 - ns Write Pulse Width TWP 40 - 50 - ns Write Recovery Time CS, WE | TWR 0 - 0 - ns Data Valid to End of Write TDW 25 - 30 - ns Data Hold from End of Write TDH 0 - 0 - ns Write to Output in High 4 TWHzZ* - 20 - 25 ns Output Disable to Output in High 7 TOHzZ* - 20 - 25 ns Output Active from End of Write TOW 5 - 5 - ns * These parameters are sampled but not 100% testedW24258/LL Winbond fetthey, SIP III IIIT TIMING WAVEFORMS Read Cycle 1 (Address Controlled) TAC Address a TAA al TOH TOH Read Cycle 2 (Chip Select Controlled) s \\ANY LLLLLLL LLL TACS _* m TCLZ TeHz * : XXXX s Read Cycle 3 (Output Enable Controlled) Address DOUT Publication Release Date: November 1998 -5- Revision ASW24258/LL Winbond fetthey, SIP III IIIT Timing Waveforms, continued Write Cycle 1 = LLL 1/ MWAAAAAAL B NNAANAASS OSS LLL LLL TAW WE oN N \ x +f wt TOHZ ~Tw~ywT NSS (1, 4) Dout 44 44 f/ i ete TDH 7 << xXXXXX Write Cycle 2 (OE = Vit Fixed) ~ = WWW WZ Do TNS NN SS Z2L2L2LLLL ; <OXXXKXX Notes: 1. During this period, I/O pins are in the output state, so input signals of opposite phase to the outputs should not be applied. 2. The data output from Dout are the same as the data written to Din during the write cycle. 3. DouT provides the read data for the next address. 4. Transition is measured +500 mV from steady state with CL = 5 pF. This parameter is guaranteed but not 100% tested.W24258/LL an G Winbond NE Flectronics Corn. SRR TITIES DATA RETENTION CHARACTERISTICS (Ta = 0 C to 70 C) PARAMETER SYM. TEST CONDITIONS MIN. | TYP. | MAX. | UNIT Vbb for Data Retention VDR CS 2 Vpp -0.2V 2.0 - - Vv Data Retention Current IDDDR | CS = VoD -0.2V, Vop = 3V - - 2 LA Chip Deselect to Data TCDR | See data retention waveform 0 - - ns Retention Time Operation Recovery Time TR TRC* - - ns * Read Cycle Time DATA RETENTION WAVEFORM pp VOR 2 2V CS 2Vop -o2V ORDERING INFORMATION PART NO. ACCESS OPERATING STANDBY PACKAGE TIME CURRENT MAX. | CURRENT MAX. (nS) (mA) (m) We4258-55LL 55 70 5 600 mil DIP W24258-70LL 70 60 5 600 mil DIP We4258S-55LL 55 70 5 330 mil SOP W242588-70LL 70 60 5 330 mil SOP W24258Q-55LL 55 70 5 Standard type one TSOP W24258Q-70LL 70 60 5 Standard type one TSOP Notes: 1. Winbond reserves the right to make changes to its products without prior notice. 2. Purchasers are responsible for performing appropriate quality assurance testing on products intended for use in applications where personal injury might occur as a consequence of product failure. Publication Release Date: November 1998 -7- Revision ASaq52 cP EES, fetthey, . inbond Electronics Corn, W24258/LL SRR TITIES PACKAGE DIMENSIONS 28-pin P-DIP DB Aap DO O a Tet TT Tag Tart Tool Tagt Tae Taol TT TagT TaeT Gt TagT Tag? sy __ Fe {ho 0 PITT UY Dimension in Inches Dimension in mm Symbol Min. | Nom. | Max.| Min. |Nom. | Max. A _ | 0210 | | 533 Ad 0.010 _ _ 025 _ _ Az 0150 |O155 |0160 | 381 | 394 | 4.06 B O06 |o018 |ooe2 | 041 O46 0.56 Bi 0.058 | 0.060 | 0.064 | 147 1.82 1.63 C 0.008 |0.010 | O.014 | O20 | 025 | 0.36 D (1460 | 1470 | 37.08 | 37.34 E 0.580 |0.600 |0810 /1499 | 1824 | 15.49 E, | os40 }osas josso [1372 |1384 | 1397 e. O.0e0 |o1o [01410 | 228 | 254 | 279 I 0120 |o130 | 0140 | 3.05 330 355 a o |_| oe e. | 0630 |oeso | oe7o [18.00 | 1851 | 17.02 Ss | |oco | | | 28 Notes: 1. Dimensions D Max. & S include mold flash or tie bar burrs Dimension 1 does not include interlead flash 3. Dimensions D & E1 include mold mismatch and are determined at the mald parting line. Dimension B1 does net include dambar protrusion/intrusion Controlling dimension: Inches. General appearance spec. should be based on final visual inspection spec ho ts mon 28-pin SOP Wide Body BRRAARRREREBAE O REHHE RHE SRESHE Seating Plane L Detail F See Detail F Dimension in Inches Dimension inmm Symbol Min. | Nom. | Max. | Min. [Nom. | Max A | a jotte | |285 A, [ood | | [oto | | Ale 0.083 |O.ca8 jo103 | 228 | 24a | 282 b ac14 |oote joo joss |o41 | ost c o.oa3 jaoto joo14 [ozo [ozs | oss D jorig jores | |tati [1882 E o228 | 0.234 o888 B28 B44 aaa fal 0.044 |o.050 jooss | 142 | 127 | 142 He o4sa |odes jo4d7r [11st [11.81 [1212 L 0.028 joo joo | ort fost | 1412 Le 0.058 joos7 joo7e | 150 | 1.70 | 1.01 Ss | joo | | } 1198 _ |oo4 | | oto 6 1c d | 1 Notes: 1. Dimensions D Max. & S include mold flash or tie bar burrs. Dimension b does not include dambar protrusion/ntrusion Dimensions D & E include mold mismatch and determined at the mold parting line Controlling dimension: Inches General appearance spec should be based on final visual inspection spec ho w onett, & Winbond SEE Flentronics Corp. W24258/LL SRR TITIES Package Dimensions, continued 28-pin Standard Type One TSOP TINT TTT Dimension In Inches | Dimension In mm Symbol Min. | Nom. | Max. | Min. | Nom. | Max. A ona? 1.20 Aa 0.002 0.008| 0.05 015 Az | 0.035] odo] oor} O95] 1.00] 1.05 b o.o07| coos] oo11; O17] O20] O27 c 0.004 | 0.008] 0.008]; 9.10] O15] O21 D o4e1| o465| o4e9| 11.70] 11.80] 11.90 E oii] 0.315] 0.019 | Feo] 800] 810 Hb | 0.520] 0528] o536| 13.20] 13.40] 13.60 6 0.022 0.55 L 0,020 | 0.024| 0.028] 0.50] o6o| 0.70 La 0.010 025 Y 0.000 0.004 | 0.00 0.10 8 Q 3 5 0 3 5 Controlling dimension: Millimeters Publication Release Date: November 1998 Revision ASW24258/LL Winbond NEE Electronics Corp LOU ES LI I IR IM I I IM I I I VERSION HISTORY VERSION DATE PAGE DESCRIPTION A4 Apr. 1998 2 Add standby power supply current (ISB1) typical parameter when operation temperature TA = 25 G & A5 Nov. 1998 1,2,7,9 | Deduct reverse type one TSOP package tots, \ Winbond toy Electronics Corp. Hesdguariers Winbond Electronics (HRI Lid Winbond Electranios North Arverica Corp. Ne. 4, Orestion fd Mi Fin. Sue, World Trace Be A818, Tower, Winbond Memory Leb. y industrial Park, 1g Rol Bun Fe Winbond Micreolantonias Tarp. Hawinan, Ho Winbond Systeme Lab. 2027 N. Fret Street, San Jose, CA SS1d4, USA TEL: 40- s4esnes FAR: AGS HAST FOS arity C&S tara an inno ah ncaa tae? @& Pax-on-cemernd: ARS 2-2 TSF OOS -i0-