M48T201V-70MH1 STMICROELECTRONICS [STMicroelectronics], M48T201V-70MH1 Datasheet - Page 12

• Manufacturer Part Number: M48T201V-70MH1
• Description: 3.3V-5V TIMEKEEPER CONTROLLER
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M48T201Y, M48T201V
Table 4. WRITE Mode AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: T
12/33
t
t
WHQX
Symbol
WLQZ
t
t
t
t
t
t
t
t
t
t
t
t
t
WLWH
WHDX
WHAX
DVWH
AVWH
AVWL
EHDX
ELEH
EHAX
DVEH
AVEH
AVAV
AVEL
2. C
3. If E goes low simultaneously with W going low, the outputs remain in the high impedance state.
(2,3)
(2,3)
L
= 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 High-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
= 4.5 to 5.5V or 3.0 to 3.6V (except where noted).
Min
70
45
50
25
25
55
55
0
0
0
0
0
0
5
M48T201Y
–70
Max
20
Min
85
55
60
30
30
65
65
0
0
0
0
0
0
5
M48T201V
–85
Max
25
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns