DS1345Y Datasheet, PDF (5/12 Pages) Dallas Semiconductor – 1024k Nonvolatile SRAM with Battery Monitor

AC ELECTRICAL
CHARACTERISTICS
PARAMETER
Read Cycle Time
Access Time
OE to Output Valid
CE to Output Valid
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
DS1345Y/AB
(V_CC=5V ±=5% for DS1345AB)
(t_A: See Note 10) (V_CC=5V ±=10% for DS1345Y)
DS1345AB-70 DS1345AB-100
DS1345Y-70 DS1330Y-100
SYMBOL MIN MAX MIN MAX UNITS NOTES
t_RC
70
100
ns
t_ACC
70
100
ns
t_OE
35
50
ns
t_CO
70
100
ns
t_COE
5
5
ns
5
t_OD
25
35
ns
5
t_OH
5
5
ns
t_WC
70
100
ns
t_WP
55
75
ns
3
t_AW
0
0
ns
t_WR1
5
5
t_WR2
12
12
ns
12
13
t_ODW
25
35
ns
5
t_OEW
5
5
ns
5
t_DS
30
40
ns
4
t_DH1
0
0
t_DH2
7
7
ns
12
13
READ CYCLE
SEE NOTE 1
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