Datasheet

DS1643/DS1643P
9 of 17
AC CHARACTERISTICS—WRITE CYCLE
(V
CC
= 5.0V 10%, T
A
= 0C to +70C.)
85ns
ACCESS
100ns
ACCESS PARAMETER SYMBOL
MIN MAX MIN MAX
UNITS NOTES
Write Cycle Time t
WC
85 100 ns 4
Address Setup Time t
AS
0 0 ns 4
WE Pulse Width
t
WEW
65 70 ns 4
CE Pulse Width
t
CEW
70 75 ns 4
CE2 Pulse Width t
CE2W
75 85 ns 4
Data Setup Time t
DS
35 40 ns 4
Data Hold Time t
DH
0 0 ns 4
Address Hold Time t
AH
5 5 ns 4
WE Data Off Time
t
WEZ
30 35 ns 4
Write Recovery Time t
WR
5 5 ns 4