Rainbow Electronics DS1251Y - Manual (Page 10)

DS1251/DS1251P
10 of 22
MEMORY AC ELECTRICAL CHARACTERISTICS Over the operating range (5V)
DS1251Y-70
PARAMETER SYMBOL
MIN MAX
UNITS NOTES
Read Cycle Time t
RC
70 ns
Access Time t
ACC
70 ns
OE to Output Valid t
OE
35 ns
CE to Output Valid t
CO
70 ns
OE or CE to Output Active t
COE
5 ns 5
Output High-Z from Deselection t
OD
25 ns 5
Output Hold from Address Change t
OH
5 ns
Write Cycle Time t
WC
70 ns
Write Pulse Width t
WP
50 ns 3
Address Setup Time t
AW
0 ns
Write Recovery Time t
WR
0 ns
Output High-Z from WE
t
ODW
25 ns 5
Output Active from WE
t
OEW
5 ns 5
Data Setup Time t
DS
30 ns 4
Data Hold Time from WE
t
DH
5 ns 4