WMF128K8-XXX5
White Electronic Designs
AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS,CS# CONTROLLED
VCC = 5.0V, VSS = 0V, -55°C ≤ TA ≤ +125°C
-50
-60
-70
-90
-120
-150
Parameter
Symbol
Unit
Min Max Min Max Min Max Min Max Min Max Min Max
Write Cycle Time
50
0
60
0
70
0
90
0
120
0
150
0
ns
ns
tAVAV tWC
tWLEL tWS
tELEH tCP
tAVEL tAS
tDVEH tDS
tEHDX tDH
tELAX tAH
tEHWH tWH
tEHEL tCPH
tWHWH1
WE# Setup Time
CS# Pulse Width
25
0
30
0
35
0
45
0
50
0
50
0
ns
Address Setup Time
Data Setup Time
ns
25
0
30
0
30
0
45
0
50
0
50
0
ns
Data Hold Time
ns
Address Hold Time
40
0
45
0
45
0
45
0
50
0
50
0
ns
WE# Hold from WE# High
CS# Pulse Width High
Duration of Programming Operation
Duration of Erase Operation
Read Recovery before Write
Chip Programming Time
ns
20
14
2.2
0
20
14
2.2
0
20
14
2.2
0
20
14
2.2
0
20
14
2.2
0
20
14
2.2
0
ns
µs
sec
ns
60
60
60
60
60
60
tWHWH2
tGHEL
12.5
12.5
12.5
12.5
12.5
12.5
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 ]
