W24L257Q70LI View Datasheet(PDF) - Winbond
Part Name
Description
Manufacturer
W24L257Q70LI Datasheet PDF : 11 Pages
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W24L257
AC Characteristics, continued
Read Cycle
(VDD = 5V ±10%; VDD = 3V ±5%; VSS = 0V; TA (°C) = 0 to 70 for L/LL, -20 to 85 for LE, -40 to 85 for LI)
PARAMETER
SYMBOL
Read Cycle Time
Address Access Time
Chip Select Access Time
Output Enable to Output Valid
Chip Selection to Output in Low Z
Output Enable to Output in Low Z
Chip Deselection to Output in High Z
Output Disable to Output in High Z
Output Hold from Address Change
TRC
TAA
TACS
TAOE
TCLZ*
TOLZ*
TCHZ*
TOHZ*
TOH
MIN.
70
-
-
-
10
5
-
-
10
3.3V/5V
MAX.
-
70
70
35
-
-
30
30
-
∗ These parameters are sampled but not 100% tested
Write Cycle
PARAMETER
SYMBOL
Write Cycle Time
Chip Selection to End of Write
Address Valid to End of Write
Address Setup Time
Write Pulse Width
Write Recovery Time
CS , WE
TWC
TCW
TAW
TAS
TWP
TWR
Data Valid to End of Write
Data Hold from End of Write
Write to Output in High Z
Output Disable to Output in High Z
Output Active from End of Write
TDW
TDH
TWHZ*
TOHZ*
TOW
∗ These parameters are sampled but not 100% tested
MIN.
70
55
55
0
40
-
3.3V/5V
MAX.
-
-
-
-
-
35
-
0
-
-
25
-
25
5
-
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
-4-
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