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IDT61298 Datasheet(PDF) 4 Page - Integrated Device Technology |
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IDT61298 Datasheet(HTML) 4 Page - Integrated Device Technology |
4 / 7 page 7.1 4 IDT61298SA CMOS STATIC RAM 256K (64K x 4-BIT) COMMERCIAL TEMPERATURE RANGE DC ELECTRICAL CHARACTERISTICS VCC = 5.0V ± 10% IDT61298SA Symbol Parameter Test Condition Min. Typ . Max. Unit |ILI| Input Leakage Current VCC = Max., µA VIN = GND to VCC —— 5 |ILO| Output Leakage Current VCC = Max., CS = VIH, µA VOUT = GND to VCC —— 5 VOL Output Low Voltage IOL = 8mA, VCC = Min. — — 0.4 V IOL = 10mA, VCC = Min. — — 0.5 VOH Output High Voltage IOH = –4mA, VCC = Min. 2.4 — — V 2971 tbl 09 AC ELECTRICAL CHARACTERISTICS (VCC = 5.0V ± 10%) 61298SA12 61298SA15 Symbol Parameter Min. Max. Min. Max. Unit Read Cycle tRC Read Cycle Time 12 — 15 — ns tAA Address Access Time — 12 — 15 ns tACS Chip Select Access Time — 12 — 15 ns tCLZ(1) Chip Select to Output in Low-Z 4 — 4 — ns tCHZ(1) Chip Deselect to Output in High-Z — 6 — 7 ns tOE Output Enable to Output Valid — 6 — 7 ns tOLZ(1) Output Enable to Output in Low-Z 0 — 0 — ns tOHZ(1) Output Disable to Output in High-Z — 6 — 6 ns tOH Output Hold from Address Change 3 — 3 — ns tPU(1) Chip Select to Power-Up Time 0 — 0 — ns tPD(1) Chip Deselect to Power-Down Time — 12 — 15 ns Write Cycle tWC Write Cycle Time 12 — 15 — ns tCW Chip Select to End-of-Write 9 — 10 — ns tAW Address Valid to End-of-Write 9 — 10 — ns tAS Address Set-up Time 0 — 0 — ns tWP Write Pulse Width 9 — 10 — ns tWR Write Recovery Time 0 — 0 — ns tDW Data Valid to End-of-Write 6 — 7 — ns tDH Data Hold Time 0 — 0 — ns tWHZ(1) Write Enable to Output in High-Z — 6 — 6 ns tOW(1) Output Active from End-of-Write 4 — 4 — ns NOTES: 2971 tbl 10 1. This parameter is guaranteed with AC test load (Figure 2) by device characterization, but is not production tested. |
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