White Electronic Designs
V
CC
= 5.0V, V
SS
= 0V, -55°C ≤ T
A
≤ +125°C
Parameter
Write Cycle Time
WE# Setup Time
CS# Pulse Width
Address Setup Time
Data Setup Time
Data Hold Time
Address Hold Time
WE# Hold from WE# High
CS# Pulse Width High
Duration of Programming Operation
Duration of Erase Operation
Read Recovery before Write
Chip Programming Time
WMF128K8-XXX5
AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS,CS# CONTROLLED
Symbol
t
AVAV
t
WLEL
t
ELEH
t
AVEL
t
DVEH
t
EHDX
t
ELAX
t
EHWH
t
EHEL
t
WHWH1
t
WHWH2
t
GHEL
t
WC
t
WS
t
CP
t
AS
t
DS
t
DH
t
AH
t
WH
t
CPH
-50
Min
50
0
25
0
25
0
40
0
20
14
2.2
0
12.5
60
-60
Max
Min
60
0
30
0
30
0
45
0
20
14
2.2
0
12.5
60
-70
Max
Min
70
0
35
0
30
0
45
0
20
14
2.2
0
12.5
60
-90
Max
Min
90
0
45
0
45
0
45
0
20
14
2.2
0
12.5
60
-120
Max
Min
120
0
50
0
50
0
50
0
20
14
2.2
0
12.5
60
-150
Min
150
0
50
0
50
0
50
0
20
14
2.2
0
12.5
60
Max
Max
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
sec
ns
sec
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
April 2001
Rev. 5
4
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
