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IDT7198L85LB Datasheet(PDF) 4 Page - Integrated Device Technology |
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IDT7198L85LB Datasheet(HTML) 4 Page - Integrated Device Technology |
4 / 8 page 6.4 4 IDT7198S/L CMOS STATIC RAM 64K (16K x 4-BIT) Added Chip Select and Output Enable Controls MILITARY TEMPERATURE RANGE DATA RETENTION CHARACTERISTICS OVER MILITARY TEMPERATURE RANGE (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 — 10 15 600 900 µA tCDR (3) Chip Deselect to Data CS1 or CS2 ≥ VHC 0— — — — ns Retention Time VIN ≥ VHC or ≤ VLC tR (3) Operation Recovery Time tRC (2) —— —— ns |ILI| (3) Input Leakage Current — — — 2 2 µA NOTES: 2985 tbl 09 1. TA = +25 °C. 2. tRC = Read Cycle Time. 3. This parameter is guaranteed by device characterization but is not production tested. DC ELECTRICAL CHARACTERISTICS (1) (VCC = 5V ± 10%, VLC = 0.2V, VHC = VCC - 0.2V) 7198S20 7198S25 7198S35 7198S45 7198S55/70 7198S85 7198L20 7198L25 7198L35 7198L45 7198L55/70 7198L85 Symbol Parameter Power Military Military Military Military Military Military Unit ICC1 Operating Power S 105 105 105 105 105 105 mA Supply Current, CS1 and CS2 ≤ VIL, Outputs Open L 80 80 80 80 80 80 VCC = Max., f = 0 (2) ICC2 Dynamic Operating S 160 155 140 140 140 140 mA Current, CS1 and CS2 ≤ VIL, Outputs Open L 130 120 115 110 110 105 VCC = Max., f = fMAX (2) ISB Standby Power Supply S 70 60 50 50 50 50 mA Current (TTL Level), CS1 or CS2 ≥ VIH, VCC = Max., L 50 40 35 35 35 35 Outputs Open, f = fMAX (2) ISB1 Full Standby Power S 25 20 20 20 20 20 mA Supply Current (CMOS Level) CS1 or CS2 ≥ VHC, VCC= Max., VIN ≥ VHC or L 1.5 1.5 1.5 1.5 1.5 1.5 VIN ≤ VLC, f = 0(2) NOTES: 2985 tbl 06 1. All values are maximum guaranteed values. 2. At f = fMAX address and data inputs are cycling at the maximum frequency of read cycles of 1/tRC. f = 0 means no input lines change. LOW VCC DATA RETENTION WAVEFORM 2985 drw 04 DATA RETENTION MODE 4.5V 4.5V VDR ≥2V VIH VIH tR t CDR VCC CS VDR |
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