M48T08 ST Microelectronics, M48T08 Datasheet - Page 6

• Manufacturer Part Number: M48T08
• Description: 64 Kbit 8Kb x 8 TIMEKEEPER SRAM
• Manufacturer: ST Microelectronics

M48T08, M48T18
Table 9. Read Mode AC Characteristics
(T
Figure 6. Read Mode AC Waveforms
Note: Write Enable (W) = High.
6/19
A
Symbol
t
t
t
t
t
t
t
t
t
t
t
E2HQV
E2HQX
E1HQZ
= 0 to 70 C; V
t
E1LQV
E1LQX
E2LQZ
GHQZ
AVQV
GLQV
GLQX
AXQX
AVAV
A0-A12
E1
E2
G
DQ0-DQ7
Read Cycle Time
Address Valid to Output Valid
Chip Enable 1 Low to Output Valid
Chip Enable 2 High to Output Valid
Output Enable Low to Output Valid
Chip Enable 1 Low to Output Transition
Chip Enable 2 High to Output Transition
Output Enable Low to Output Transition
Chip Enable 1 High to Output Hi-Z
Chip Enable 2 Low to Output Hi-Z
Output Enable High to Output Hi-Z
Address Transition to Output Transition
CC
= 4.75V to 5.5V or 4.5V to 5.5V)
Parameter
tE2HQX
tE1LQX
tAVQV
tE2HQV
tE1LQV
tGLQX
tGLQV
tAVAV
VALID
Min
100
10
10
5
5
-100
VALID
M48T08 / M48T18
Max
100
100
100
50
50
50
40
tGHQZ
Min
150
10
10
5
5
-150
Max
tAXQX
tE1HQZ
tE2LQZ
150
150
150
75
75
75
60
AI00962
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns