IDT71256SA20 Просмотр технического описания (PDF) - Integrated Device Technology
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IDT71256SA20 Datasheet PDF : 7 Pages
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IDT71256SA
CMOS STATIC RAM 256K (32K x 8-BIT) IN PE PACKAGES
DC ELECTRICAL CHARACTERISTICS(1)
(VCC = 5.0V ± 10%, VLC = 0.2V, VHC = VCC–0.2V)
Symbol
Parameter
ICC Dynamic Operating Current
CS ≤ VIL, Outputs Open, VCC = Max., f = fMAX(2)
ISB Standby Power Supply Current (TTL Level)
CS ≥ VIH, Outputs Open, VCC = Max., f = fMAX(2)
ISB1 Standby Power Supply Current (CMOS Level)
CS ≥ VHC, Outputs Open, VCC = Max., f = 0(2)
VIN ≤ VLC or VIN ≥ VHC
COMMERCIAL TEMPERATURE RANGE
71256SA15 71256SA20
150
145
71256SA25 Unit
145
mA
40
40
40
mA
15
15
15
mA
DC ELECTRICAL CHARACTERISTICS (CONTINUED)(1)
(VCC = 5.0V ± 10%, VLC = 0.2V, VHC = VCC–0.2V)
Symbol
ICC
Parameter
Dynamic Operating Current
CS ≤ VIL, Outputs Open, VCC = Max., f = fMAX(2)
71256SA35
140
ISB Standby Power Supply Current (TTL Level)
30
CS ≥ VIH, Outputs Open, VCC = Max., f = fMAX(2)
ISB1 Standby Power Supply Current (CMOS Level)
15
CS ≥ VHC, Outputs Open, VCC = Max., f = 0(2)
VIN ≤ VLC or VIN ≥ VHC
NOTES:
1. All values are maximum guaranteed values.
2. fMAX = 1/tRC (all address inputs are cycling at fMAX); f = 0 means no address input lines are changing .
71256SA45
135
30
15
71256SA70 Unit
130
mA
20
mA
15
mA
3605 tbl 06
AC TEST CONDITIONS
Input Pulse Levels
Input Rise/Fall Times
Input Timing Reference Levels
Output Reference Levels
AC Test Load
GND to 3.0V
3ns
1.5V
1.5V
See Figures 1 and 2
3605 tbl 07
5V
DATAOUT
30pF*
480Ω
255Ω
DATAOUT
5pF*
5V
480Ω
255Ω
3605 drw 03 *Including jig and scope capacitance.
3605 drw 04
Figure 1. AC Test Load
Figure 2. AC Test Load
(for tCLZ, tOLZ, tCHZ, tOHZ, tOW, and tWHZ)
3
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