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TMS465409P Datasheet(PDF) 10 Page - Texas Instruments |
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TMS465409P Datasheet(HTML) 10 Page - Texas Instruments |
10 / 33 page TMS464409, TMS464409P, TMS465409, TMS465409P 16 777 216 BY 4-BIT EXTENDED DATA OUT DYNAMIC RANDOM-ACCESS MEMORIES SMKS895A – MAY 1997 – REVISED OCTOBER 1997 10 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 electrical characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (continued) TMS465409 /P PARAMETER TEST CONDITIONS† ’465409-40 ’465409P-40 ’465409-50 ’465409P-50 ’465409-60 ’465409P-60 UNIT MIN MAX MIN MAX MIN MAX VOH High-level IOH = – 2 mA LVTTL 2.4 2.4 2.4 V VOH g output voltage IOH = – 100 µA LVCMOS VCC – 0.2 VCC – 0.2 VCC – 0.2 V VOL Low-level IOL = 2 mA LVTTL 0.4 0.4 0.4 V VOL output voltage IOL = 100 µA LVCMOS 0.2 0.2 0.2 V II Input current (leakage) VCC = 3.6 V, VI = 0 V to 3.9 V, All others = 0 V to VCC ± 10 ± 10 ± 10 µA IO Output current (leakage) VCC = 3.6 V, VO = 0 V to VCC, CAS high ± 10 ± 10 ± 10 µA ICC1‡§ Average read- or write-cycle current VCC = 3.6 V, Minimum cycle 160 130 110 mA Average After one memory cycle, RAS and CAS high, VIH = 2 V (LVTTL) 1 1 1 mA ICC2 Average standby current After one memory cycle, RAS and CAS high, ’465409 500 500 500 µA g, VIH = VCC – 0.2 V (LVCMOS) ’465409P 150 150 150 µA ICC3§ Average RAS-only refresh current VCC = 3.6 V, Minimum cycle, RAS cycling, CAS high (RAS only) 160 130 110 mA ICC4‡¶ Average EDO current VCC = 3.6 V, tPC = minimum, RAS low, CAS cycling 150 120 100 mA ICC5 Average CBR refresh current VCC = 3.6 V, Minimum cycle, RAS low after CAS low 160 130 110 mA ICC6# Average self-refresh current CAS < 0.2 V, RAS < 0.2 V, Measured after tRASS minimum 300 300 300 µA ICC10# Average battery-backup operating current, CBR only tRAS ≤ 300 ns, tRC = 31.25 ms VCC – 0.2 V ≤ VIH ≤ 3.9 V, 0 V ≤ VIL ≤ 0.2 V, W and OE = VIH, Address and data stable 400 400 400 µA † For conditions shown as MIN / MAX, use the appropriate value specified in the timing requirements. ‡ Measured with outputs open § Measured with a maximum of one address change while RAS = VIL ¶ Measured with a maximum of one address change per EDO cycle, tHPC # For TMS465409P only |
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