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参数资料
| 型号： | WEDF1M32B-90H1M5A |
| 厂商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分类： | PROM |
| 英文描述： | 1M X 32 FLASH 5V PROM MODULE, 90 ns, CPGA66 |
| 封装： | 1.185 X 1.185 INCH, HERMETIC SEALED, CERAMIC, HIP-66 |
| 文件页数： | 5/8页 |
| 文件大小： | 414K |
| 代理商： | WEDF1M32B-90H1M5A |
5
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
WEDF1M32B-XXX5
May 2007
Rev.2
White Electronic Designs Corp. reserves the right to change products or specications without notice.
ADVANCED
AC CHARACTERISTICS – WRITE OPERATIONS – CS# CONTROLLED(1)
VCC = 5.0V, GND = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Symbol
-70
-90
-120
Unit
Min
Max
Min
Max
Min
Max
Write Enable Cycle Time
tAVAV
tWC
70
90
120
ns
Write Enable Setup Time
tWLEL
tWS
000
ns
Chip Select Pulse Width
tELEH
tCP
35
45
50
ns
Address Setup Time
tAVEH
tAS
000
ns
Data Setup Time
tDVEH
tDS
30
45
50
ns
Data Hold Time
tEHDX
tDH
000
ns
Address Hold Time
tEHAX
tAH
45
50
ns
Write Enable Hold Time
tEHWH
tWH
000
ns
Chip Select Pulse Width High
tEHEL
tEPH
20
s
Programming Operation (1)
tWHWH1
300
sec
Sector Erase Operation (2)
tWHWH2
888
s
Write Recovery before Read
tEHGL
000
s
NOTES:
1. Typical value for tWHWH1 is 7s.
2. Typical value for tWHWH2 is 1sec.
AC CHARACTERISTICS – READ-ONLY OPERATIONS
VCC = 5.0V, GND = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Symbol
-70
-90
-120
Unit
Min
Max
Min
Max
Min
Max
Read Cycle Time
tAVAV
tRC
70
90
120
ns
Address Access Time
tAVQV
tACC
70
90
120
ns
Chip Select to Output Valid (1)
tELQV
tCE
70
90
120
ns
Output Enable to Output Valid (1)
tGLQV
tOE
30
35
50
ns
Chip Select to Output Low Z (2)
tELQX
tLZ
000
ns
Chip Select High to Output High Z (2)
tEHQZ
tHZ
20
50
ns
Output Enable to Output Low Z (2)
tGLQX
tOLZ
000
ns
Output Enable High to Output High Z (2)
tGHQZ
tDF
20
30
ns
Output Hold from Addresses, CS# or OE#
Change, Whichever is First (2)
tOH
000
ns
NOTES:
1. OE# may be delayed up to tCE-tOE after the falling edge of CS# without impact on tCS.
2. Guaranteed by design, not tested.
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相关代理商/技术参数 |
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| WEDF1M32B-G2TC5 | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:1Mx32 5V Flash Module |
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| WEDF1M32B-G2TI5A | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:1Mx32 5V Flash Module |
| WEDF1M32B-G2TM5 | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:1Mx32 5V Flash Module |
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