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71256L25YG Datasheet, PDF (3/10 Pages) List of Unclassifed Manufacturers – CMOS Static RAM 256K (32K x 8-Bit)
IDT71256S/L
CMOS Static RAM 256K (32K x 8-Bit)
Recommended Operating
Temperature and Supply Voltage
Grade
Temperature
GND
Vcc
Military
-55OC to +125OC
0V
5V ± 10%
Industrial
-40OC to +85OC
0V
5V ± 10%
Commercial
0OC to +70OC
0V
5V ± 10%
2946 tbl 05
Military, Commercial, and Industrial Temperature Ranges
Recommended DC Operating
Conditions
Symbol
Parameter
Min. Typ. Max. Unit
VCC Supply Voltage
4.5
5.0
5.5 V
GND Ground
0
0
0
V
VIH Input High Voltage
2.2
____
6.0 V
VIL Input Low Voltage
-0.5(1)
____
0.8 V
NOTE:
2946 tbl 06
1. VIL (min.) = –3.0V for pulse width less than 20ns, once per cycle.
DC Electrical Characteristics(1,2) (VCC = 5.0V ± 10%, VLC = 0.2V, VHC = VCC - 0.2V)
71256S/L20 71256S/L25
71256S/L35 71256S/L45
Symbol
Parameter
Power
Com'l.
& Ind
Com'l Mil. Com'l. Mil.
& Ind
& Ind
Mil.
Unit
ICC Dynamic Operating Current
CS < VIL, Outputs Open
VCC = Max., fMAX(2)
S
____
____
150
____
140
135
mA
L
135
125 130 115 120
115
ISB Standby Power Supply Current
(TTL Level), CS > VIH, VCC = Max.,
Outputs Open, f = fMAX(2)
S
____
____
20
____
20
20
mA
L
3
3
3
3
3
3
ISB1 Full Standby Power Supply Current
(CMOS Level), CS > VHC,
VCC = Max., f = 0
S
____
____
20
____
20
20
mA
L
0.6
0.6 1.5
0.6
1.5
1.5
2946 tbl 07
Symbol
Parameter
ICC Dynamic Operating Current
CS < VIL, Outputs Open
VCC = Max., fMAX(2)
ISB Standby Power Supply Current
(TTL Level), CS > VIH, VCC = Max.,
Outputs Open, f = fMAX(2)
ISB1 Full Standby Power Supply Current
(CMOS Level), CS > VHC,
VCC = Max., f = 0
Power
S
L
S
L
S
L
71256S/L55
Mil.
135
115
20
3
20
1.5
NOTES:
1. All values are maximum guaranteed values.
2. fMAX = 1/tRC, all address inputs are cycling at fMAX; f = 0 means no address pins are cycling.
71256S/L70
Mil.
135
115
20
3
20
1.5
71256S/L85
Mil.
135
115
20
3
20
1.5
71256S/L100
Mil.
Unit
135
mA
115
20
mA
3
20
mA
1.5
2946 tbl 08
6.432