DS1643-85 MAXIM [Maxim Integrated Products], DS1643-85 Datasheet - Page 8

• Manufacturer Part Number: DS1643-85
• Description: Nonvolatile Timekeeping RAMs
• Manufacturer: MAXIM [Maxim Integrated Products]

AC CHARACTERISTICS—READ CYCLE
(V
Read Cycle Time
Address Access Time
CE2 Access Time
Output Hold from Address
READ CYCLE TIMING DIAGRAM
CE
CE
CE
OE
OE
OE
CC
and CE2 to DQ Low-Z
Access Time
and CE2 Data Off Time
to DQ Low-Z
Access Time
Data Off Time
= 5.0V 10%, T
PARAMETER
A
= 0C to +70C.)
SYMBOL
t
t
t
t
t
t
t
CE2A
t
t
t
CEA
OEA
CEL
CEZ
OEL
OEZ
AA
OH
RC
8 of 17
MIN
85
5
5
5
ACCESS
85ns
MAX
85
85
95
30
45
30
MIN
100
5
5
5
ACCESS
100ns
MAX
100
100
105
35
55
35
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DS1643/DS1643P
NOTES
4
4
4
4
4
4
4
4
4
4