L7C108
L7C109
128K x 8 Static RAM
MAXIMUM
RATINGS Above which useful life may be impaired (Notes 1, 2)
Storage temperature…………………………………………...….……............……
Operating ambient temperature………………………………………......….......…
Vcc supply voltage with respect to ground…………….…………………….......….
Input signal with respect to ground.………………………….………………..…..…
Signal applied to high impedance output……………………………………........…
-65°C to +150°C
-55°C to +125°C
-0.5 V to +7.0 V
-3.0 V to +7.0 V
-3.0 V to +7.0 V
Output current into low outputs………………………………………….…......................……
25 mA
Latchup current….........................……………..…………………………...……................
>200 mA
OPERATING
CONDITIONS To meet specified electrical and switching characteristics
Supply Voltage
4.5 V d VCC d 5.5 V
2.0 V d VCC d 5.5 V
Mode
Temperature Range (Ambient)
-55°C to +125°C
Active, Operation, Military
Data Retention, Military
-55°C to +125°C
ELECTRICAL CHARACTERISTICS Over Operating Conditions (Note 5)
L7C108/109
L7C108/109-L
Symbol Parameter
Test Condition
Min
Max
Min
Max
Unit
Output High Voltage
2.4
V
VOH
VOL
VIH
2.4
VCC = 4.5V, IOH = -4 mA
0.4
Vcc
+0.5
0.8
+10
+10
25
Output Low Voltage
Input High Voltage
V
V
0.4
Vcc
+0.3
0.8
+10
+10
25
IOL = 8 mA
2.2
2.2
Input Low Voltage
-0.5
-10
-10
V
VIL
IIx
-3.0
-10
-10
ꢆ1RWHꢀꢁꢉ
μA
μA
mA
mA
mA
pF
Input Leakage Current
Output Leakage Current
VCC Current, TTL Standby
VCC Current, CMOS Standby
VCC Current, Data Retention
Input Capacitance
GND < VIN < VCC
ꢆ1RWHꢀꢄꢉ
IOZ
ICC2
ICC3
ICC4
CIN
ꢆ1RWHꢀꢌꢉ
10
5
ꢆ1RWHꢀꢎꢉ
-
0.75
8
VCC = ꢂꢀ9ꢀꢆ1RWHVꢀꢍꢏꢀꢈꢅꢉ
Ambient Temp = 25°C, VCC = 5 V
7HVWꢀ)UHTXHQF\ꢀ ꢀꢈꢀ0+]ꢀꢆ1RWHꢀꢈꢅꢉ
8
8
pF
Output Capacitance
COUT
8
L7C108/109
L7C108/109-L
Symbol Parameter
Test Condition
15 20 25 35 45 15 20 25 35 45 Unit
VCC Current, Active
ICC1
ꢆ1RWHꢀꢐꢉ
mA
140 140 140 135 125 140 140 140 130 125
1M Static RAMs
LOGIC Devices Incorporated
www.logicdevices.com
3
Feb 17, 2012 LDS-L7C108/9-G
LOGIC [ LOGIC DEVICES INCORPORATED ]
