DS1245 データシートの表示（PDF） - Dallas Semiconductor -> Maxim Integrated
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DS1245 Datasheet PDF : 10 Pages
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DS1245Y/AB
AC ELECTRICAL CHARACTERISTICS
(VCC = 5V ±5% for DS1245AB)
(TA: See Note 10) (VCC = 5V ±10% for DS1245Y)
PARAMETER
SYMBOL
DS1245AB-70
DS1245Y-70
UNITS NOTES
MIN
MAX
Read Cycle Time
tRC
70
ns
Access Time
tACC
70
ns
OE to Output Valid
tOE
35
ns
CE to Output Valid
tCO
70
ns
OE or CE to Output Active
tCOE
5
ns
5
Output High Z from Deselection
tOD
25
ns
5
Output Hold from Address Change
tOH
5
ns
Write Cycle Time
tWC
70
ns
Write Pulse Width
tWP
55
ns
3
Address Setup Time
Write Recovery Time
tAW
0
tWR1
5
tWR2
15
ns
ns
12
ns
13
Output High Z from WE
tODW
25
ns
5
Output Active from WE
tOEW
5
ns
5
Data Setup Time
Data Hold Time
tDS
30
tDH1
0
tDH2
10
ns
4
ns
12
ns
13
5 of 10
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