DS1643-100 Datasheet Download

Part No.:
DS1643-100
Download:
Download Datasheet
Description:
[Nonvolatile Timekeeping RAMs]
File Size:
208 K
Page:
17 Pages
Logo:
Manufacturer:
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
PCB Prototype
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DS1643/DS1643P
AC CHARACTERISTICS—READ CYCLE
(V
CC
= 5.0V
10%,
T
A
= 0C to +70C.)
PARAMETER
Read Cycle Time
Address Access Time
and CE2 to DQ Low-Z
CE
Access Time
CE2 Access Time
CE
SYMBOL
t
RC
t
AA
t
CEL
t
CEA
t
CE2A
t
CEZ
t
OEL
t
OEA
t
OEZ
t
OH
and CE2 Data Off Time
OE
to DQ Low-Z
OE
Access Time
OE
Data Off Time
Output Hold from Address
CE
70ns
ACCESS
MIN MAX
70
70
5
70
80
25
5
35
25
5
100ns
ACCESS
MIN MAX
100
100
5
100
105
35
5
55
35
5
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
4
4
4
4
4
4
4
4
4
4
READ CYCLE TIMING DIAGRAM
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