Rainbow Electronics DS1554 - Manual (Page 12)

DS1554
12 of 20
READ CYCLE, AC CHARACTERISTICS (Over the Operating Range)
V
CC
=5.0V
±±±±
10% V
CC
=3.3V
±±±±
10%
PARAMETER SYMBOL MIN MAX MIN MAX UNITS NOTES
Read Cycle Time t
RC
70 120 ns
Address Access Time t
AA
70 120 ns
CE to DQ Low-Z t
CEL
5 5 ns
CE Access Time t
CEA
70 120 ns
CE Data Off time t
CEZ
25 40 ns
OE to DQ Low-Z t
OEL
5 5 ns
OE Access Time t
OEA
35 100 ns
OE Data Off Time t
OEZ
25 35 ns
Output Hold from Address t
OH
5 5 ns
WRITE CYCLE, AC CHARACTERISTICS (Over the Operating Range)
V
CC
=5.0V
±±±±
10% V
CC
=3.3V
±±±±
10%
PARAMETER SYMBOL MIN MAX MIN MAX UNITS NOTES
Write Cycle Time t
WC
70 120 ns
Address Access Time t
AS
0 0 ns
WE Pulse Width t
WEW
50 100 ns
CE Pulse Width t
CEW
60 110 ns
Data Setup Time t
DS
30 80 ns
Data Hold time t
DH1
0 0 ns 9
Data Hold time t
DH2
0 5 ns 10
Address Hold Time t
AH1
5 0 ns 9
Address Hold Time t
AH2
5 5 ns 10
WE Data Off Time t
WEZ
25 40 ns
Write Recovery Time t
WR
5 10 ns