WF128K32-XXX5(2006) Ver la hoja de datos (PDF) - White Electronic Designs => Micro Semi
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WF128K32-XXX5
(Rev.:2006)
(Rev.:2006)
White Electronic Designs => Micro Semi
WF128K32-XXX5 Datasheet PDF : 15 Pages
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White Electronic Designs
WF128K32-XXX5
AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS, WE# CONTROLLED
VCC = 5.0V, VSS = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Symbol
-50
-60
-70
-90
-120
-150
Unit
Min Max Min Max Min Max Min Max Min Max Min Max
Write Cycle Time
tAVAV tWC 50
60
70
90
120
150
ns
Chip Select Setup Time
tELWL tCS
0
0
0
0
0
0
ns
Write Enable Pulse Width
tWLWH tWP 25
30
35
45
50
50
ns
Address Setup Time
tAVWL tAS
0
0
0
0
0
0
ns
Data Setup Time
tDVWH tDS 25
30
30
45
50
50
ns
Data Hold Time
tWHDX tDH
0
0
0
0
0
0
ns
Address Hold Time
tWLAX tAH 40
45
45
45
50
50
ns
Chip Select Hold Time
tWHEH tCH
0
0
0
0
0
0
ns
Write Enable Pulse Width High
tWHWL tWPH 20
20
20
20
20
20
ns
Duration of Byte Programming Operation tWHWH1
14
14
14
14
14
14
µs
(min)
Sector Erase Time
tWHWH2
2.2 60 2.2 60 2.2 60 2.2 60 2.2 60 2.2 60 sec
Read Recovery Time Before Write
tGHWL
0
0
0
0
0
0
ns
VCC Setup Time
tVCS 50
50
50
50
50
50
µs
Chip Programming Time
12.5
12.5
12.5
12.5
12.5
12.5 sec
Output Enable Setup Time
tOES 0
0
0
0
0
0
ns
Output Enable Hold Time (1)
tOEH 10
10
10
10
10
10
ns
1. For Toggle and Data Polling.
AC CHARACTERISTICS – READ ONLY OPERATIONS
VCC = 5.0V, VSS = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Symbol
-50
-60
-70
-90
-120
-150
Unit
Min Max Min Max Min Max Min Max Min Max Min Max
Read Cycle Time
tAVAV tRC 50
60
70
90
120
150
ns
Address Access Time
tAVQV tACC
50
60
70
90
120
150 ns
Chip Select Access Time
tELQV tCE
50
60
70
90
120
150 ns
OE# to Output Valid
tGLQV tOE
25
30
35
40
50
55 ns
Chip Select to Output High Z (1)
tEHQZ tDF
20
20
20
25
30
35 ns
OE# High to Output High Z (1)
tGHQZ tDF
20
20
20
25
30
35 ns
Output Hold from Address, CS# or OE# tAXQX tOH 0
0
0
0
0
0
ns
Change, whichever is first
1. Guaranteed by design, not tested.
March 2006
Rev. 8
5
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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