Rainbow Electronics DS1747P - Manual (Page 10)

DS1747/DS1747P
10 of 18
WRITE CYCLE, AC CHARACTERISTICS
(Over the Operating Range; V
CC
= 5.0V ± 10%)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Write Cycle Time t
WC
70 ns
Address Setup Time t
AS
0 ns
WE Pulse Width t
WEW
50 ns
CE Pulse Width t
CEW
60 ns
Data Setup Time t
DS
30 ns
Data Hold Time t
DH1
0 ns 8
Data Hold Time t
DH2
0 ns 9
Address Hold Time t
AH1
5 ns 8
Address Hold Time t
AH2
5 ns 9
WE Data Off Time t
WEZ
25 ns
Write Recovery Time t
WR
5 ns
WRITE CYCLE, AC CHARACTERISTICS
(Over the Operating Range; V
CC
= 3.3V ± 10%)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Write Cycle Time t
WC
120 ns
Address Setup Time t
AS
0 120 ns
WE Pulse Width t
WEW
100 ns
CE Pulse Width t
CEW
110 ns
CE and CE2 Pulse Width t
CEW
110 ns
Data Setup Time t
DS
80 ns
Data Hold Time t
DH1
0 ns 8
Data Hold Time t
DH2
0 ns 9
Address Hold Time t
AH1
0 ns 8
Address Hold Time t
AH2
10 ns 9
WE Data Off Time t
WEZ
40 ns
Write Recovery Time t
WR
10 ns