L7C108 LODEV [LOGIC Devices Incorporated], L7C108 Datasheet - Page 5

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

LOGIC Devices Incorporated
Symbol
t
t
t
t
t
t
t
t
t
t
D
R
W
WLWH
WH X
SWITCHING CHARACTERISTICS
Symbol
AVWH
WHAX
DVWH
WHDX
ELWH
AVWL
WL Z
AVAV
ATA
EAD
t
RITE
t
CDR
PD
R
C
C
ETENTION
YCLE
Write Cycle Time
Chip Enable Low to End of Write Cycle
Address Valid to Beginning of Write Cycle
Address Setup to End of Write Cycle
Address Hold After End Of Write
Write Enable Pulse Width Low
Data Setup to End of Write Cycle
Data Hold to End of Write
Write Enable High to Output Low Z Notes 20, 21
Write Enable Low to Output High Z Notes 20, 21
Parameter
V
YCLE
CC
CE
Parameter
Operation Recovery Time Notes 10, 19
Chip Enable High to Data Retention Note 10
Notes 5, 11, 12, 22, 23, 24 (ns)
Notes 5, 11, 12, 22, 23, 24 (ns)
Notes 9, 10
www.logicdevices.com
DATA RETENTION MODE
V
IH
t
CDR
Over Operating Range
4.5 V
5
4.5 V
Min
Min
15/15-L 20/20-L 25/25-L 35/35-L 45/45-L
15/15-L 20/20-L 25/25-L 35/35-L 45/45-L
15
12
15
12
0
0
7
0
5
0
Max
Max
PRELIMINARY INFORMATION
15
7
t
PD
≥ 2 V
Min
Min
20
12
17
15
10
0
0
0
0
5
V
IH
Max
Max
20
8
L7C108/109
L7C108/109
Min
Min
128K x 8 Static RAM
25
20
20
20
12
0
0
0
0
5
Max
Max
25
10
Aug 11, 2010 LDS-L7C108/9-F
Min
Min
1M Static RAMs
35
25
25
30
20
0
0
0
0
5
Max
Max
35
25
L7C108
L7C109
Min
Min
45
35
35
40
20
0
0
0
0
5
Max
Max
45
30