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IDT70T25L25BF Datasheet(PDF) 9 Page - Integrated Device Technology |
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IDT70T25L25BF Datasheet(HTML) 9 Page - Integrated Device Technology |
9 / 21 page 6.42 IDT70T35/34L (IDT70T/25/24L) PRELIMINARY High-Speed 2.5V 8/4K x 18 (8/4K x 16) Dual-Port Static RAM Industrial and Commercial Temperature Ranges 9 DC Electrical Characteristics Over the Operating Temperature and Supply Voltage Range (VDD = 2.5V ± 100mV) NOTES: 1. Port "A" may be either left or right port. Port "B" is the opposite from port "A". 2. VDD = 2.5V, TA = +25°C, and are not production tested. IDD dc = 85mA (typ.) 3. At f = fMAX , address and control lines (except Output Enable) are cycling at the maximum frequency read cycle of 1/tRC, and using “AC Test Conditions” of input levels of GND to 3V. 4. f = 0 means no address or control lines change. 70T35/34L20 (70T25/24L20) Com'l Only 70T35/34L25 (70T25/24L25) Com'l & Ind Symbol Parameter Test Condition Version Typ.(2) Max. Typ.(2) Max. Unit IDD Dynamic Operating Current (Both Ports Active) CE = VIL, Outputs Disabled SEM = VIH f = fMAX(3) COM'L L 80 140 70 130 mA IND L ____ ____ 100 160 ISB1 Standby Current (Both Ports - TTL Level Inputs) CER and CEL = VIH SEMR = SEML = VIH f = fMAX (3) COM'L L 12 20 7 17 mA IND L ____ ____ 12 25 ISB2 Standby Current (One Port - TTL Level Inputs) CE"A" = VIL and CE"B" = VIH(1) Active Port Outputs Disabled, f=fMAX(3) SEMR = SEML = VIH COM'L L 559040 80 mA IND L ____ ____ 55 100 ISB3 Full Standby Current (Both Ports - CMOS Level Inputs) Both Ports CEL and CER > VDD - 0.2V, VIN > VDD - 0.2V or VIN < 0.2V, f = 0(4) SEMR = SEML > VDD-0.2V COM'L L 0.05 2.5 0.05 2.5 mA IND L ____ ____ 0.2 5.0 ISB4 Full Standby Current (One Port - CMOS Level Inputs) CE"A" < 0.2V and CE"B" > VDD - 0.2V(1) SEMR = SEML > VDD-0.2V VIN > VDD - 0.2V or VIN < 0.2V Active Port Outputs Disabled, f = fMAX(3) COM'L L 559040 80 mA IND L ____ ____ 55 100 5639 tbl 09 AC Test Conditions Figure 1. AC Output Test Load Input Pulse Levels Input Rise/Fall Times Input Timing Reference Levels Output Reference Levels Output Load GND to 2.5V 3ns Max. 1.25V 1.25V Figure 1 5639 tbl 10 *(For tLZ, tHZ, tWZ, tOW) 1.25V 50 Ω 50 Ω 5639 drw 06 10pF / 5pF* (Tester) DATAOUT , BUSY INT Timing of Power-Up Power-Down CE 5639 drw 07 tPU ICC ISB tPD 50% 50% , |
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