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TM124MBK36U-70 Datasheet(PDF) 5 Page - Texas Instruments |
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TM124MBK36U-70 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 9 page TM124MBK36F, TM124MBK36U 1048576 BY 36-BIT DRAM MODULE TM248NBK36F, TM248NBK36U 2097152 BY 36-BIT DRAM MODULE SMMS650A – APRIL 1995 – REVISED JUNE 1995 5 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 absolute maximum ratings over operating free-air temperature (unless otherwise noted)† Supply voltage range, VCC (see Note 1) – 1 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Voltage range on any pin (see Note 1) – 1 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Short-circuit output current 50 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power dissipation TM124MBK36F, TM124MBK36U 3 W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TM248NBK36F, TM248NBK36U 6 W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range, TA 0 °C to 70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg –55 °C to 125°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTE 1: All voltage values are with respect to VSS. recommended operating conditions MIN NOM MAX UNIT VCC Supply voltage 4.5 5 5.5 V VIH High-level input voltage 2.4 6.5 V VIL Low-level input voltage (see Note 2) – 1 0.8 V TA Operating free-air temperature 0 70 °C NOTE 2: The algebraic convention, where the more negative (less positive) limit is designated as minimum, is used for logic-voltage levels only. electrical characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER TEST CONDITIONS ’124MBK36F - 60 ’124MBK36F - 70 ’124MBK36F - 80 UNIT PARAMETER TEST CONDITIONS MIN MAX MIN MAX MIN MAX UNIT VOH High-level output voltage IOH = – 5 mA 2.4 2.4 2.4 V VOL Low-level output voltage IOL = 4.2 mA 0.4 0.4 0.4 V II Input current (leakage) VCC = 5.5 V, VI = 0 V to 6.5 V, All other pins = 0 V to VCC ± 10 ± 10 ± 10 µA IO Output current (leakage) VCC = 5.5 V, VO = 0 V to VCC, CAS high ± 10 ± 10 ± 10 µA ICC1 Read- or write-cycle current VCC = 5.5 V, Minimum cycle 285 250 220 mA ICC2 Standby current VIH = 2.4 V (TTL), After 1 memory cycle, RAS and CAS high 6 6 6 mA ICC2 Standby current VIH = VCC – 0.2 V (CMOS), After 1 memory cycle, RAS and CAS high 3 3 3 mA ICC3 Average refresh current (RAS only or CBR) VCC = 5.5 V, Minimum cycle, RAS cycling, CAS high (RAS only); RAS low after CAS low (CBR) 285 250 220 mA ICC4 Average page current VCC = 5.5 V, tPC = MIN, RAS low, CAS cycling 250 220 190 mA |
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