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DS1742W-150(2008) 查看數據表(PDF) - Maxim Integrated
零件编号
产品描述 (功能)
生产厂家
DS1742W-150
(Rev.:2008)
Y2KC Nonvolatile Timekeeping RAM
Maxim Integrated
DS1742W-150 Datasheet PDF : 16 Pages
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DS1742
AC CHARACTERISTICS—WRITE CYCLE (5V)
(V
CC
= 5.0V
±
10%, Over the operating range.)
PARAMETER
SYMBOL
85ns ACCESS
100ns
ACCESS
MIN MAX MIN MAX
Write Cycle Time
t
WC
85
100
Address Access Time
t
AS
0
0
WE
Pulse Width
t
WEW
65
70
CE
Pulse Width
t
CEW
70
75
Data Setup Time
t
DS
35
40
Data Hold time
t
DH
0
0
Address Hold Time
t
AH
5
5
WE
Data Off Time
t
WEZ
30
35
Write Recovery Time
t
WR
5
5
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
AC CHARACTERISTICS—WRITE CYCLE (3.3V)
(V
CC
= 3.3V
±
10%, Over the operating range.)
120ns
PARAMETER
SYMBOL ACCESS
MIN MAX
Write Cycle Time
t
WC
120
Address Setup Time
t
AS
0
WE
Pulse Width
t
WEW
100
CE
Pulse Width
t
CEW
110
Data Setup Time
t
DS
80
Data Hold Time
t
DH
0
Address Hold Time
t
AH
0
WE
Data Off Time
t
WEZ
40
Write Recovery Time
t
WR
10
150ns
ACCESS
MIN MAX
150
0
130
140
90
0
0
50
10
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
10 of 16
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