5962-9669001HYX データシートの表示（PDF） - White Electronic Designs Corporation
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5962-9669001HYX Datasheet PDF : 14 Pages
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White Electronic Designs
WMF128K8-XXX5
AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS, WE# CONTROLLED
VCC = 5.0V, VSS = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Symbol
Write Cycle Time
tAVAV tWC
Chip Select Setup Time
tELWL tCS
Write Enable Pulse Width
tWLWH tWP
Address Setup Time
tAVWH tAS
Data Setup Time
tDVWH tDS
Data Hold Time
tWHDX tDH
Address Hold Time
tWHAX tAH
Chip Select Hold Time
tWHEH tCH
Write Enable Pulse Width High
tWHWL tWPH
Duration of Byte Programming Operation (min) tWHWH1
Sector Erase Time
tWHWH2
Read Recovery Time before Write
tGHWL
VCC Set-up Time
tVCS
Chip Programming Time
Output Enable Setup Time
tOES
Output Enable Hold Time (1)
tOEH
-50
Min Max
50
0
25
0
25
0
40
0
20
14
2.2 60
0
50
12.5
0
10
-60
Min Max
60
0
30
0
30
0
45
0
20
14
2.2 60
0
50
12.5
0
10
-70
Min Max
70
0
35
0
30
0
45
0
20
14
2.2 60
0
50
12.5
0
10
-90
Min Max
90
0
45
0
45
0
45
0
20
14
2.2 60
0
50
12.5
0
10
-120
Min Max
120
0
50
0
50
0
50
0
20
14
2.2 60
0
50
12.5
0
10
-150
Unit
Min Max
150
ns
0
ns
50
ns
0
ns
50
ns
0
ns
50
ns
0
ns
20
ns
14
µs
2.2 60 sec
0
ms
50
µs
12.5 sec
0
ns
10
ns
NOTES:
1. For Toggle and Data# Polling.
AC CHARACTERISTICS – READ ONLY OPERATIONS
VCC = 5.0V, VSS = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Read Cycle Time
Address Access Time
Chip Select Access Time
OE# to Output Valid
Chip Select to Output High Z (1)
OE# High to Output High Z (1)
Output Hold from Address, CS# or OE#
Change, whichever is First
Symbol
-50
-60
-70
-90
-120
-150
Unit
Min Max Min Max Min Max Min Max Min Max Min Max
tAVAV tRC 50
60
70
90
120
150
ns
tAVQV tACC
50
60
70
90
120
150 ns
tELQV tCE
50
60
70
90
120
150 ns
tGLQV tOE
25
30
35
40
50
55 ns
tEHQZ tDF
20
20
20
25
30
35 ns
tGHQZ tDF
20
20
20
25
30
35 ns
tAXQX tOH
0
0
0
0
0
0
ns
NOTES:
1. Guaranteed by design, but not tested
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
April 2001
Rev. 5
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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