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M48T201VMH Folha de dados(PDF) 12 Page - STMicroelectronics

Nome de Peças M48T201VMH
Descrição Electrónicos  3.3V-5V TIMEKEEPER CONTROLLER
PDF  33 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M48T201VMH Folha de dados(HTML) 12 Page - STMicroelectronics

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M48T201Y, M48T201V
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Table 4. WRITE Mode AC Characteristics
Note: 1. Valid for Ambient Operating Temperature: TA = 0 to 70°C; VCC = 4.5 to 5.5V or 3.0 to 3.6V (except where noted).
2. CL = 5pF
3. If E goes low simultaneously with W going low, the outputs remain in the high impedance state.
Symbol
Parameter(1)
M48T201Y
M48T201V
Unit
–70
–85
Min
Max
Min
Max
tAVAV
WRITE Cycle Time
70
85
ns
tAVWL
Address Valid to WRITE Enable Low
0
0
ns
tAVEL
Address Valid to Chip Enable Low
0
0
ns
tWLWH
WRITE Enable Pulse Width
45
55
ns
tELEH
Chip Enable Low to Chip Enable High
50
60
ns
tWHAX
WRITE Enable High to Address Transition
0
0
ns
tEHAX
Chip Enable High to Address Transition
0
0
ns
tDVWH
Input Valid to WRITE Enable High
25
30
ns
tDVEH
Input Valid to Chip Enable High
25
30
ns
tWHDX
WRITE Enable High to Input Transition
0
0
ns
tEHDX
Chip Enable High to Input Transition
0
0
ns
tWLQZ
(2,3)
WRITE Enable Low to Output High-Z
20
25
ns
tAVWH
Address Valid to WRITE Enable High
55
65
ns
tAVEH
Address Valid to Chip Enable High
55
65
ns
tWHQX
(2,3)
WRITE Enable High to Output Transition
5
5
ns



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