WF2M32-090HC5 データシートの表示（PDF） - White Electronic Designs Corporation
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WF2M32-090HC5 Datasheet PDF : 15 Pages
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White Electronic Designs
WF2M32-XXX5
AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS - WE# CONTROLLED
VCC = 5.0V, -55°C ≤ TA ≤ +125°C
Parameter
Symbol
-90
-120
-150
Unit
Min
Max
Min
Max
Min
Max
Write Cycle Time
tAVAV
tWC
90
120
150
ns
Chip Select Setup Time
tELWL
tCS
0
0
0
ns
Write Enable Pulse Width
tWLWH
tWP
45
50
50
ns
Address Setup Time
tAVWL
tAS
0
0
0
ns
Data Setup Time
tDVWH
tDS
45
50
50
ns
Data Hold Time
tWHDX
tDH
0
0
0
ns
Address Hold Time
tWLAX
tAH
45
50
50
ns
Write Enable Pulse Width High
tWHWL
tWPH
20
20
20
ns
Duration of Byte Programming Operation (1) tWHWH1
300
300
300
µs
Sector Erase (2)
tWHWH2
15
15
15
sec
Read Recovery Time before Write
tGHWL
0
0
0
µs
VCC Setup Time
tVCS
50
50
50
µs
Chip Programming Time
44
44
44
sec
Chip Erase Time (3)
256
256
256
sec
Output Enable Hold Time (4)
tOEH
10
10
10
ns
RESET# Pulse Width (5)
tRP
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.
5. RESET# internally tied to VCC for the default pin configuration in the HIP package.
AC CHARACTERISTICS – READ-ONLY OPERATIONS
VCC = 5.0V, -55°C ≤ TA ≤ +125°C
Parameter
Symbol
-90
-120
-150
Unit
Min
Max
Min
Max
Min
Max
Read Cycle Time
Address Access Time
Chip Select Access Time
Output Enable to Output Valid
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
tAVAV
tRC
90
tAVQV
tACC
tELQV
tCE
tGLQV
tOE
tEHQZ
tDF
tGHQZ
tDF
tAXQX
tOH
0
120
150
ns
90
120
150
ns
90
120
150
ns
40
50
55
ns
20
30
35
ns
20
30
35
ns
0
0
ns
RST Low to Read Mode (1,2)
tReady
20
20
20
µs
NOTES:
1. Guaranteed by design, not tested.
2. RESET# internally tied to VCC for the default pin configuration in the HIP package.
October 2004
Rev. 5
4
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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