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參數(shù)資料
| 型號(hào)： | WF2M32I-90HM5 |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | PROM |
| 英文描述： | 2M X 32 FLASH 5V PROM MODULE, 90 ns, CPGA66 |
| 封裝： | 1.185 X 1.185 INCH, HERMETIC SEALED, CERAMIC, HIP-66 |
| 文件頁(yè)數(shù)： | 10/15頁(yè) |
| 文件大?。?/td> | 634K |
| 代理商： | WF2M32I-90HM5 |
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White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
WF2M32-XXX5
October 2004
Rev. 5
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
000
ns
Write Enable Pulse Width
tWLWH
tWP
45
50
ns
Address Setup Time
tAVWL
tAS
000
ns
Data Setup Time
tDVWH
tDS
45
50
ns
Data Hold Time
tWHDX
tDH
000
ns
Address Hold Time
tWLAX
tAH
45
50
ns
Write Enable Pulse Width High
tWHWL
tWPH
20
ns
Duration of Byte Programming Operation (1)
tWHWH1
300
μs
Sector Erase (2)
tWHWH2
15
sec
Read Recovery Time before Write
tGHWL
000
μs
VCC Setup Time
tVCS
50
μs
Chip Programming Time
44
sec
Chip Erase Time (3)
256
sec
Output Enable Hold Time (4)
tOEH
10
ns
RESET# Pulse Width (5)
tRP
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 conguration 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
tAVAV
tRC
90
120
150
ns
Address Access Time
tAVQV
tACC
90
120
150
ns
Chip Select Access Time
tELQV
tCE
90
120
150
ns
Output Enable to Output Valid
tGLQV
tOE
40
50
55
ns
Chip Select High to Output High Z (1)
tEHQZ
tDF
20
30
35
ns
Output Enable High to Output High Z (1)
tGHQZ
tDF
20
30
35
ns
Output Hold from Addresses, CS# or OE#
Change, whichever is First
tAXQX
tOH
000
ns
RST Low to Read Mode (1,2)
tReady
20
μs
NOTES:
1.
Guaranteed by design, not tested.
2.
RESET# internally tied to VCC for the default pin conguration in the HIP package.
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