Rainbow Electronics DS1543 - Manual (Page 12)

DS1543
12 of 17
WRITE CYCLE, AC CHARACTERISTICS (V
CC
= 5.0V
±
10%)
70 ns access 100 ns access
PARAMETER SYMBOL MIN MAX MIN MAX UNITS NOTES
Write Cycle Time t
WC
70 100 ns
Address Access Time t
AS
0 0 ns
WE Pulse Width t
WEW
50 70 ns
CE Pulse Time t
CEW
60 75 ns
Data Setup Time t
DS
30 40 ns
Data Hold time t
DH
0 0 ns
Address Hold Time t
AH
5 5 ns
WE Data Off Time t
WEZ
25 35 ns
Write Recovery Time t
WR
5 5 ns
WRITE CYCLE, AC CHARACTERISTICS (V
CC
= 3.3V
±
10%)
120 ns access 150 ns access
PARAMETER SYMBOL MIN MAX MIN MAX UNITS NOTES
Write Cycle Time t
WC
120 150 ns 5
Address Setup Time t
AS
0 0 ns 5
WE Pulse Width t
WEW
100 130 ns 5
CE Pulse Width t
CEW
110 140 ns 5
Data Setup Time t
DS
80 90 ns 5
Data Hold Time t
DH
0 0 ns 5
Address Hold Time t
AH
0 0 ns 5
WE Data Off Time t
WEZ
40 50 ns 5
Write Recovery Time t
WR
10 10 ns 5