DS1217M Nonvolatile Read/Write Cartridge
AC ELECTRICAL CHARACTERISTICS
(V CC = 5V ±10%, T A = 0°C to +70°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Read Cycle Time
Access Time
OE to Output Valid
CE to Output Valid
t RC
t ACC
t OE
t CO
250
250
125
210
ns
ns
ns
ns
OE or CE to Output Active
Output High-Z from
Deselection
Output Hold from Address
Change
Read Recovery Time
Write Cycle Time
Write Pulse Width
Address Setup Time
Write Recovery Time
Output High-Z from WE
Output Active from WE
Data Setup Time
Data Hold Time from WE
t COE
t OD
t OH
t RR
t WC
t WP
t AW
t WR
t ODW
t OEW
t DS
t DH
(Note 1)
(Note 1)
(Note 2)
(Note 1)
(Note 1)
(Note 3)
(Note 3)
5
5
40
250
170
0
20
5
100
20
125
100
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Note 1:
Note 2:
Note 3:
These parameters are sampled with a 5pF load and are not 100% tested.
t WP is specified as the logical AND of CE and WE t WP is measured from the latter of CE or WE going low to the earlier of CE or WE
going high.
t DH , t DS are measured form the earlier of CE or WE going high.
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