WF128K32-XXX5
AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS, WE# CONTROLLED
Parameter
Symbol
-50
-60
-70
-90
-120
Max
-150
Max
Unit
Min
50
0
Max
Min
60
0
Max
Min
70
0
Max
Min
90
0
Max
Min
120
0
Min
150
0
Write Cycle Time
tAVAV
tELWL
tWLWH tWP
tAVWL tAS
tDVWH tDS
tWHDX tDH
tWLAX tAH
tWC
ns
ns
ns
ns
ns
ns
ns
ns
ns
μs
sec
ns
μs
sec
ns
ns
Chip Select Setup Time
Write Enable Pulse Width
Address Setup Time
tCS
25
0
30
0
35
0
45
0
50
0
50
0
Data Setup Time
25
0
30
0
30
0
45
0
50
0
50
0
Data Hold Time
Address Hold Time
40
0
45
0
45
0
45
0
50
0
50
0
Chip Select Hold Time
Write Enable Pulse Width High
Duration of Byte Programming Operation (min)
Sector Erase Time
tWHEH tCH
tWHWL tWPH
tWHWH1
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
tWHWH2
60
60
60
60
60
60
Read Recovery Time Before Write
tGHWL
VCC Setup Time
tVCS
50
50
50
50
50
50
Chip Programming Time
Output Enable Setup Time
12.5
12.5
12.5
12.5
12.5
12.5
tOES
tOEH
0
0
0
0
0
0
Output Enable Hold Time (1)
1. For Toggle and Data Polling.
10
10
10
10
10
10
AC CHARACTERISTICS – READ ONLY OPERATIONS
Parameter
Symbol
-50
-60
-70
-90
-120
-150
Unit
Min
50
Max
Min
60
Max
Min
70
Max
Min
90
Max
Min
Max
Min
Max
Read Cycle Time
tAVAV
tRC
120
150
ns
ns
ns
ns
ns
ns
ns
Address Access Time
tAVQV tACC
50
50
25
20
20
60
60
30
20
20
70
70
35
20
20
90
90
40
25
25
120
120
50
150
150
55
Chip Select Access Time
OE# to Output Valid
tELQV
tGLQV
tEHQZ
tGHQZ
tAXQX
tCE
tOE
tDF
tDF
tOH
Chip Select to Output High Z (1)
OE# High to Output High Z (1)
30
35
30
35
Output Hold from Address, CS# or OE# Change,
0
0
0
0
0
0
whichever is first
1. Guaranteed by design, not tested.
5
4335.15E-0816-ss-WF128K32-XXX5
Mercury Corp. - Memory and Storage Solutions • (602) 437-1520 • www.mrcy.com
MERCURY [ MERCURY UNITED ELECTRONICS INC ]
