WMF2M8-120LC5 View Datasheet(PDF) - White Electronic Designs Corporation
Part Name
Description
Manufacturer
WMF2M8-120LC5 Datasheet PDF : 14 Pages
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White Electronic Designs
WMF2M8-XXX5
AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS – WE# CONTROLLED
VCC = 5.0V, VSS = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Write Cycle Time
Chip Select Setup Time
Write Enable Pulse Width
Address Setup Time
Data Setup Time
Data Hold Time
Address Hold Time
Write Enable Pulse Width High
Duration of Byte Programming Operation (1)
Sector Erase (2)
Read Recovery Time before Write
VCC Setup Time
Chip Programming Time
Chip Erase Time (3)
Output Enable Hold Time (4)
RESET# Pulse Width
Symbol
tAVAV
tELWL
tWLWH
tAVWL
tDVWH
tWHDX
tWLAX
tWHWL
tWHWH1
tWHWH2
tGHWL
tVCS
tWC
tCS
tWP
tAS
tDS
tDH
tAH
tWPH
tOEH
tRP
-90
-120
-150
Unit
Min Max Min Max Min Max
90
120
150
ns
0
0
0
ns
45
50
50
ns
0
0
0
ns
45
50
50
ns
0
0
0
ns
45
50
50
ns
20
20
20
ns
300
300
300
µs
15
15
15
sec
0
0
0
µs
50
50
50
µs
44
44
44
sec
256
256
256
sec
10
10
10
ns
500
500
500
ns
NOTES:
1. Typical value for tWHWH1 is 7µs.
2. Typical value for tWHWH2 is 1sec.
3. Typical value for Chip Erase Time is 32sec.
4. 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
Output Enable to Output Valid
Output Enable Hold Time
Chip Select High to Output High Z (1)
Output Enable High to Output High Z (1)
Output Hold from Addresses, CS# or OE# Change,
whichever is First
RESET# Low to Read Mode (1)
1. Guaranteed by design, not tested.
Symbol
tAVAV
tRC
tAVQV
tACC
tELQV
tCE
tGLQV
tOE
Read
Toggle & tOEH
Data Polling
tEHQZ
tDF
tGHQZ
tDF
tAXQX
tOH
tReady
-90
Min Max
90
90
90
40
0
10
20
20
0
20
-120
Min Max
120
120
120
50
0
10
30
30
0
20
-150
Unit
Min Max
150
ns
150
ns
150
ns
55
ns
0
ns
10
ns
35
ns
35
ns
0
ns
20
µs
May 2004
Rev. 6
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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