m48z128 STMicroelectronics, m48z128 Datasheet - Page 10

• Manufacturer Part Number: m48z128
• Description: 5.0v Or 3.3v, 1 Mbit 128 Kbit X 8 Zeropower Sram
• Manufacturer: STMicroelectronics

M48Z128, M48Z128Y, M48Z128V*
Table 5. WRITE Mode AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: T
10/21
t
t
WHQX
WLQZ
Symbol
t
t
t
t
t
2. C
3. If E goes low simultaneously with W going low, the outputs remain in the high impedance state.
t
t
t
t
t
t
t
t
WLWH
WHAX
DVWH
WHDX
AVWH
AVWL
EHAX
DVEH
EHDX
AVEH
AVEL
ELEH
AVAV
L
(2,3)
(2,3)
= 5pF.
WRITE Cycle Time
Address Valid to WRITE Enable Low
Address Valid to Chip Enable Low
WRITE Enable Pulse Width
Chip Enable Low to Chip Enable High
WRITE Enable High to Address Transition
Chip Enable High to Address Transition
Input Valid to WRITE Enable High
Input Valid to Chip Enable High
WRITE Enable High to Input Transition
Chip Enable High to Input Transition
WRITE Enable Low to Output Hi-Z
Address Valid to WRITE Enable High
Address Valid to Chip Enable High
WRITE Enable High to Output Transition
Parameter
(1)
A
= 0 to 70°C; V
CC
= 4.75 to 5.5V, 4.5 to 5.5V or 3.0 to 3.6V (except where noted).
Min
M48Z128/Y
70
55
55
15
30
30
10
65
65
0
0
5
0
5
–70
Max
25
M48Z128/Y/V
Min
85
65
75
15
35
35
10
75
75
0
0
5
0
5
–85
Max
30
M48Z128/Y/V
Min
120
100
100
100
85
15
45
45
10
0
0
5
0
5
–120
Max
40
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns