1 - Al Kossow's Bitsavers

SMJ55172048·WORD BY 8·BIT STATIC RAMrecommended operating conditionsSupply voltage, VCCSupply voltage, VSSHigh-level input voltage, VIHLow-level input voltage, VIL (see Note 2)Operating case temperature, TCPARAMETERMIN NOM MAX UNIT4.5 5 5.5 V0 V2.2 VCC- 0 .2 VVSS-0.2 o.a V-55 125 °cNOTE 2:The algebraic convention, where the more negative (less positive I limit is designated as minimum, is used in this data sheet for logic voltage levels only.electrical characteristics over recommended operating free-air temperature range (unless otherwise noted)PARAMETER TEST CONDITIONS MIN Typt MAXVOH High-level output voltage IOH = -2 mA 2.4VOL . Low-level output voltage 10L = 2 mA 0.4IIInput currentAll inputs exceptD01-DOa VI = 0 V to 5.5 V,D01-DOainputs onlyVCC = 5.5 V-1 1-5 5ICC1 Operating supply current from VCC VCC = 5.5 V, 30 90ICC2 Standby supply current from VCC 10 = 0, E = VIH MIN 5ICC3 Data retention supply current from VCC E = VCC -0.2 V 100VCC(DR) VCC required for data retention ~ = VCC(DR) -0.2 V 2 5.5t All typical values are at VCC = 5 V, TC = 25°C.timing requirements over recommended supply voltage range and operating case temperature range ttc(rd)tc(W)tw(W)tsu(A)tsu(E)tsu(D)th(A)th(D)tAVWHRead cycle timeWrite cycle timeWrite pulse durationAddress setup timeChip enable setup timeData setup timeAddress hold timeData hold timePARAMETERAddress valid to write enable highSMJ5517-15SMJ5517-20MIN MAX MIN MAX150 200150 20090 12010 1090 12050 7010 1010 10100 130UNITVVp.Ap.AmAmAp.AVUNITnsnsnsnsnsnsnsnsns(I)Q)CJ'$Q)C1::oc.c.~en...>oEQ)~"CCCO~«IX:CJ'';:CO....ent AC test conditions:Input pulse levels: 0.8 V and 2.2 VInput rise and fall times: tr = tf = 5 nsInput and output timing reference levels: 0.8 v and 2.2 VOutput load: 1 TIL gate, CL = 100 pF34TEXASINSTRUMENTSPOST OFFICE BOX 225012 • DALLAS. TEXAS 752658-29