
DS1251/DS1251P
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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
5ns5
Output High-Z from Deselection t
OD
25 ns 5
Output Hold from Address Change t
OH
5ns
Write Cycle Time t
WC
70 ns
Write Pulse Width t
WP
50 ns 3
Address Setup Time t
AW
0ns
Write Recovery Time t
WR
0ns
Output High-Z from WE
t
ODW
25 ns 5
Output Active from WE
t
OEW
5ns5
Data Setup Time t
DS
30 ns 4
Data Hold Time from WE
t
DH
5ns4
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