L7C108 LODEV [LOGIC Devices Incorporated], L7C108 Datasheet - Page 4

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

LOGIC Devices Incorporated
Symbol Parameter
t
t
t
t
t
t
t
t
t
R
R
R
SWITCHING CHARACTERISTICS
AV V
AV X
EH Z
GL V
GL X
GH Z
AVAV
EL V
EL X
t
PU
EAD
EAD
EAD
C
C
C
Read Cycle Time
Address Valid to Output Valid Notes 13, 14
Address Change to Output Change
Chip Enable Low to Output Valid Notes 13, 15
Chip Enable Low to Output Low Z Notes 20, 21
Chip Enable High to Output High Z Notes 20, 21
Output Enable Low to Output Valid
Output Enable Low to Output Low Z Notes 20, 21
Output Enable High to Output High Z Notes 20, 21
Input Transition to Power Up Notes 10, 19
YCLE
YCLE
YCLE
DATA OUT
ADDRESS
DATA OUT
Icc
CE
OE
- A
- CE/OE C
Notes 5, 11, 12, 22, 23, 24 (ns)
I
CC
DDRESS
www.logicdevices.com
C
ONTROLLED
ONTROLLED
PREVIOUS DATA VALID
HIGH IMPEDANCE
t
PU
t
PU
t
N
t
AVQX
t
GLQX
ELQX
OTES
Notes 13, 14
Over Operating Range
50%
t
13, 15
t
t
GLQV
AVQV
ELQV
t
AVAV
t
t
AVAV
PD
t
PD
4
50%
DATA VALID
Min
15/15-L 20/20-L 25/25-L 35/35-L 45/45-L
15
3
3
0
0
DATA VALID
Max
15
15
PRELIMINARY INFORMATION
7
8
6
Min
20
3
3
0
0
Max
20
20
10
8
6
t
GHQZ
L7C108/109
128K x 8 Static RAM
Min
t
25
EHQZ
3
3
0
0
Max
25
25
10
10
10
Aug 11, 2010 LDS-L7C108/9-F
IMPEDANCE
Min
1M Static RAMs
35
HIGH
3
3
0
0
Max
35
35
15
15
15
L7C108
L7C109
Min
45
3
3
0
0
Max
45
45
20
20
20