L7C108/109
DEVICES INCORPORATED
128K x 8 Static RAM (Low Power)
MAXIMUM RATINGS 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
OPERATING CONDITIONS To meet specified electrical and switching characteristics
Mode
Temperature Range (Ambient)
0°C to +70°C
Supply Voltage
4.5 V ≤ VCC ≤ 5.5 V
4.5 V ≤ VCC ≤ 5.5 V
4.5 V ≤ VCC ≤ 5.5 V
2.0 V ≤ VCC ≤ 5.5 V
2.0 V ≤ VCC ≤ 5.5 V
2.0 V ≤ VCC ≤ 5.5 V
Active Operation, Commercial
Active Operation, Industrial
Active Operation, Military
Data Retention, Commercial
Data Retention, Industrial
Data Retention, Military
–40°C to +85°C
–55°C to +125°C
0°C to +70°C
–40°C to +85°C
–55°C to +125°C
ELECTRICAL CHARACTERISTICS Over Operating Conditions (Note 5)
L7C108/109
L7C108-L/109-L
Symbol Parameter
Test Condition
Min
Typ Max Min
Typ Max Unit
VOH
VOL
VIH
Output High Voltage
VCC = 4.5 V, IOH = –4.0 mA
IOL = 8.0 mA
2.4
2.4
V
Output Low Voltage
Input High Voltage
0.4
0.4
V
V
2.2
VCC
2.2
VCC
+0.5
+0.3
VIL
Input Low Voltage
(Note 3)
–0.5
–5
0.8 –3.0
+5 –10
+5 –10
35
0.8
V
IIX
Input Leakage Current
Output Leakage Current
VCC Current, TTL Inactive
VCC Current, CMOS Standby
VCC Current, Data Retention
Input Capacitance
GND ≤ VIN ≤ VCC
(Note 4)
+10 µA
+10 µA
25 mA
0.9 mA
300 µA
IOZ
–5
ICC2
ICC3
ICC4
CIN
COUT
(Note 7)
10
1
(Note 8)
5.0
VCC = 3.0 V (Notes 9, 10)
Ambient Temp = 25°C, VCC = 5.0 V
Test Frequency = 1 MHz (Note 10)
500 1000
7
5
pF
pF
Output Capacitance
8
7
OBSOLETE
L7C108/109-
Symbol Parameter
Test Condition
15
12
10 Unit
ICC1
VCC Current, Active
(Note 6)
160
170
180 mA
1M Static RAMs
03/04/99–LDS.108/9-N
2
LOGIC [ LOGIC DEVICES INCORPORATED ]
