L7C108
L7C109
128K x 8 Static RAM
M
AXIMUM
R
ATINGS
Above which useful life may be impaired (Notes 1, 2)
Storage temperature…………………………………………...….……............……-65°C to +150°C
Operating ambient temperature………………………………………......….......…-55°C to +125°C
Vcc supply voltage with respect to ground…………….…………………….......….-0.5 V to +7.0 V
Input signal with respect to ground.………………………….………………..…..…-3.0 V to +7.0 V
Signal applied to high impedance output……………………………………........…-3.0 V to +7.0 V
Output current into low outputs………………………………………….…......................……25 mA
Latchup current….........................……………..…………………………...……................ >200 mA
O
PERATING
C
ONDITIONS
To meet specified electrical and switching characteristics
Mode
Active, Operation, Military
Data Retention, Military
Temperature Range (Ambient)
-55°C to +125°C
-55°C to +125°C
Supply Voltage
4.5 V
2.0 V
V
CC
V
CC
5.5 V
5.5 V
E
LECTRICAL
C
HARACTERISTICS
Over Operating Conditions (Note 5)
L7C108/109
Symbol Parameter
V
OH
V
OL
V
IH
Output High Voltage
Output Low Voltage
Input High Voltage
L7C108/109-L
Min
2.4
Test Condition
V
CC
= 4.5V,
I
OH
= -4 mA
I
OL
= 8 mA
Min
2.4
Max
0.4
Max
Unit
V
V
V
0.4
2.2
Vcc
+0.3
-3.0
-10
-10
0.8
+10
+10
25
5
0.75
8
8
2.2
Vcc
+0.5
V
IL
I
Ix
I
OZ
I
CC2
I
CC3
I
CC4
C
IN
C
OUT
Input Low Voltage
Input Leakage Current
Output Leakage Current
V
CC
Current, TTL Standby
V
CC
Current,
CMOS
Standby
V
CC
Current, Data Retention
Input Capacitance
Output Capacitance
V
CC
=
Ambient Temp = 25°C,
V
CC
= 5 V
GND
< V
IN
< V
CC
-0.5
-10
-10
0.8
+10
+10
25
10
-
8
8
V
μA
μA
mA
mA
mA
pF
pF
L7C108/109
Symbol Parameter
I
CC1
V
CC
Current, Active
L7C108/109-L
45
15
20
25
35
45 Unit
mA
Test Condition
15
140
20
25
35
140 140 135 125
140 140
140 130 125
LOGIC Devices Incorporated
www.logicdevices.com
3
1M Static RAMs
Feb 17, 2012 LDS-L7C108/9-G
LOGIC [ LOGIC DEVICES INCORPORATED ]
