L7C108 LODEV [LOGIC Devices Incorporated], L7C108 Datasheet - Page 2

• Manufacturer Part Number: L7C108
• Description: 128K x 8 Static RAM
• Manufacturer: LODEV [LOGIC Devices Incorporated]

LOGIC Devices Incorporated
*
Note: for L7C109 only
Standby
Standby
Standby
Standby
Read
Read
Write
L7C108-109 Block Diagram
T
Mode
RUTH
www.logicdevices.com
T
ABLE
ADDRESS
ROW
CE1
CE2
(L7C109 only)
WE
OE
OE
9
X
X
X
X
H
X
L
CONTROL
V
CC
CE1
X
X
V
L
L
L
- 0.2 V
IH
2
& COLUMN SENSE
G
COLUMN SELECT
COLUMN ADDRESS
MEMORY ARRAY
ND
CE2*
H
H
H
X
X
V
+ 0.2 V
128 K x 8
IL
8
PRELIMINARY INFORMATION
WE
X
X
X
X
H
H
L
128K x 8 Static RAM
High - Z
High - Z
High - Z
High - Z
High - Z
8
DQ
D
Aug 11, 2010 LDS-L7C108/9-F
I/O
1M Static RAMs
7 - 0
Standby I
Standby I
Standby I
Standby I
POWER
L7C108
L7C109
Active
Active
Active
CC2
CC2
CC3
CC3