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IDT71256S25LB Datasheet(PDF) 4 Page - Integrated Device Technology |
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IDT71256S25LB Datasheet(HTML) 4 Page - Integrated Device Technology |
4 / 9 page 7.2 4 IDT71256 S/L CMOS STATIC RAM 256K (32K x 8-BIT) MILITARY AND COMMERCIAL TEMPERATURE RANGES AC TEST CONDITIONS Input Pulse Levels GND to 3.0V Input Rise/Fall Times 5ns Input Timing Reference Levels 1.5V Output Reference Levels 1.5V AC Test Load See Figures 1 and 2 2946 tbl 08 Figure 1. AC Test Load Figure 2. AC Test Load (for tCLZ, tOLZ, tCHZ, tOHZ, tOW, tWHZ) *Includes scope and jig capacitances DATA RETENTION CHARACTERISTICS OVER ALL TEMPERATURE RANGES (L Version Only) VLC = 0.2V, VHC = VCC – 0.2V Typ. (1) Max. VCC @VCC @ Symbol Parameter Test Condition Min. 2.0v 3.0V 2.0V 3.0V Unit VDR VCC for Data Retention — 2.0 — — — — V ICCDR Data Retention Current MIL. — — — 500 800 µA COM’L. — — — 120 200 tCDR Chip Deselect to Data CS ≥ VHC 0— — — — ns Retention Time tR (3) Operation Recovery Time tRC (2) —— —— ns NOTES: 2946 tbl 10 1. TA = +25 °C. 2. tRC = Read Cycle Time. 3. This parameter is guaranteed, but not tested. DC ELECTRICAL CHARACTERISTICS VCC = 5.0V ± 10% IDT71256S IDT71256L Symbol Parameter Test Condition Min. Typ. Max. Min. Typ. Max. Unit |ILI| Input Leakage Current VCC = Max., MIL. — — 10 — — 5 µA VIN = GND to VCC COM’L. — — 5 — — 2 |ILO| Output Leakage Current VCC = Max., CS = VIH, MIL. — — 10 — — 5 µA VOUT = GND to VCC COM’L. — — 5 — — 2 VOL Output Low Voltage IOL = 8mA, VCC = Min. — 0.4 — — 0.4 V IOL = 10mA, VCC = Min. — — 0.5 — — 0.5 VOH Output High Voltage IOH = –4mA, VCC = Min. 2.4 — — 2.4 — — V 2946 tbl 09 2946 drw 05 480 Ω 5pF* 255 Ω DATAOUT 5V 2946 drw 04 480 Ω 30pF* 255 Ω DATAOUT 5V |
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