DS1345Y/AB
AC ELECTRICAL CHARACTERISTICS (V CC = 5V ± 5% for DS1345AB)
(T A : See Note 10) (V CC = 5V ± 10% for DS1345Y)
DS1345AB-70
PARAMETER
SYMBOL
DS1345Y-70
UNITS
NOTES
MIN
MAX
Read Cycle Time
Access Time
OE to Output Valid
CE to Output Valid
t RC
t ACC
t OE
t CO
70
70
35
70
ns
ns
ns
ns
OE or CE to Output Active
Output High Z from Deselection
Output Hold from Address
Change
Write Cycle Time
Write Pulse Width
Address Setup Time
Write Recovery Time
Output High Z from WE
Output Active from WE
Data Setup Time
Data Hold Time
t COE
t OD
t OH
t WC
t WP
t AW
t WR1
t WR2
t ODW
t OEW
t DS
t DH1
t DH2
5
5
70
55
0
5
12
5
30
0
7
25
25
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
5
5
3
12
13
5
5
4
12
13
READ CYCLE
SEE NOTE 1
5 of 10
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