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TMS428160P Datasheet(PDF) 11 Page - Texas Instruments |
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TMS428160P Datasheet(HTML) 11 Page - Texas Instruments |
11 / 28 page TMS416160, TMS416160P, TMS418160, TMS418160P TMS426160, TMS426160P, TMS428160, TMS428160P 1048576-WORD BY 16-BIT HIGH-SPEED DRAMS SMKS160C – MAY 1995 – REVISED NOVEMBER 1995 11 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 TMS428160 / P electrical characteristics over recommended ranges of supply voltage and operating free-air conditions (unless otherwise noted) (continued) PARAMETER TEST CONDITIONS† ’428160 - 60 ’428160P - 60 ’428160 -70 ’428160P -70 ’428160 - 80 ’428160P - 80 UNIT MIN MAX MIN MAX MIN MAX VOH High-level output IOH = – 2 mA LVTTL 2.4 2.4 2.4 V VOH 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, xCAS high ± 10 ± 10 ± 10 µA ICC1‡§ Read- or write- cycle current VCC = 3.6 V, Minimum cycle 190 180 170 mA Standby VIH = 2 V (LVTTL), After 1 memory cycle, RAS and xCAS high 1 1 1 mA ICC2 Standby current VIH = VCC – 0.2 V (LVCMOS), ’428160 500 500 500 µA (), After 1 memory cycle, RAS and xCAS high ’428160P 200 200 200 µA ICC3§ Average refresh current (RAS-only refresh or CBR) VCC = 3.6 V, Minimum cycle, RAS cycling, xCAS high (RAS-only refresh) RAS low after xCAS low (CBR) 190 180 170 mA ICC4‡¶ Average page current VCC = 3.6 V, tPC = MIN, RAS low, xCAS cycling 100 90 80 mA ICC6# Self-refresh current xCAS < 0.2 V, RAS < 0.2 V, Measured after tRASS min 250 250 250 µA ICC10# Battery back-up operating current (equivalent refresh time is 128 ms), CBR only tRC = 125 µs, tRAS ≤ 300 ns, VCC – 0.2 V ≤ VIH ≤ 3.9 V, 0 V ≤ VIL ≤ 0.2 V, W and OE = VIH, Address and data stable 350 350 350 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 while xCAS = VIH # For TMS428160P only |
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