M48T59 ST Microelectronics, M48T59 Datasheet - Page 6

• Manufacturer Part Number: M48T59
• Description: 64 Kbit 8Kb x8 TIMEKEEPER SRAM
• Manufacturer: ST Microelectronics

M48T59, M48T59Y, M48T59V
Table 9. Read Mode AC Characteristics
(T
Note: 1. C
Figure 6. Read Mode AC Waveforms
Note: Write Enable (W) = High.
6/21
A
t
t
t
t
t
t
t
t
Symbol
GHQZ
AVQV
ELQV
GLQV
ELQX
GLQX
EHQZ
AXQX
t
= 0 to 70 °C or –40 to 85 °C; V
AVAV
2. C
(1)
(2)
(1)
(1)
(2)
(2)
(2)
(1)
L
L
= 100pF (see Fig 4).
= 5pF (see Fig 4).
A0-A12
E
G
DQ0-DQ7
Read Cycle Time
Address Valid to Output Valid
Chip Enable Low to Output Valid
Output Enable Low to Output Valid
Chip Enable Low to Output Transition
Output Enable Low to Output Transition
Chip Enable High to Output Hi-Z
Output Enable High to Output Hi-Z
Address Transition to Output Transition
CC
Parameter
tAVQV
tELQX
= 4.75V to 5.5V or 4.5V to 5.5V or 3.0V to 3.6V)
.
tGLQX
tELQV
tGLQV
tAVAV
VALID
VALID
M48T59/M48T59Y/M48T59V
Min
70
10
tGHQZ
5
5
-70
Max
tAXQX
tEHQZ
70
70
35
25
25
AI01385
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns