M48Z35-70MH1TR STMICROELECTRONICS [STMicroelectronics], M48Z35-70MH1TR Datasheet - Page 11

• Manufacturer Part Number: M48Z35-70MH1TR
• Description: 256 Kbit (32 Kbit x 8) ZEROPOWER SRAM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Table 8. WRITE Mode AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: T
t
t
WHQX
Symbol
WLQZ
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
AVEL
ELEH
AVEH
AVAV
L
(2,3)
(2,3)
= 5pF (see Figure 7, page 6).
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
A
= 0 to 70°C or –40 to 85°C; V
(1)
CC
= 4.75 to 5.5V or 4.5 to 5.5V (except where noted).
Min
70
50
55
30
30
60
60
0
0
0
0
5
5
5
M48Z35/Y
–70
M48Z35, M48Z35Y
Max
25
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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