參數(shù)資料
型號： W72M64VK90BM
廠商： WHITE ELECTRONIC DESIGNS CORP
元件分類： PROM
英文描述： 2M X 64 FLASH 3.3V PROM MODULE, 90 ns, PBGA159
封裝： 13 X 22 MM, 1.27 MM PITCH, PLASTIC, BGA-159
文件頁數(shù)： 12/16頁
文件大?。?/td> 555K
代理商： W72M64VK90BM
5
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
W72M64VK-XBX
April 2005
Rev. 0
AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS – WE# CONTROLLED
VCC = 3.3V ± 0.3V, -55°C ≤ TA ≤ +125°C
Parameter
Symbol
-90
-100
-120
Unit
Min
Max
Min
Max
Min
Max
Write Cycle Time (3)
tAVAV
tWC
90
100
120
ns
Chip Select Setup Time (3)
tELWL
tCS
000
ns
Write Enable Pulse Width
tWLWH
tWP
35
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 (3)
tWHWL
tWPH
30
ns
Duration of Byte Programming Operation (1)
tWHWH1
300
s
Sector Erase (2)
tWHWH2
555
sec
Read Recovery Time before Write (3)
tGHWL
000
ns
VCC Setup Time
tVCS
50
s
Chip Programming Time (4)
42
sec
Address Setup Time to OE# low during toggle
bit polling
tASO
15
ns
Write Recovery Time from RY/BY# (3)
tRB
000
ns
Program/Erase Valid to RY/BY#
tBUSY
90
ns
NOTES:
1.
Typical value for tWHWH1 is 7s.
2.
Typical value for tWHWH2 is 0.4 sec.
3.
Guaranteed by design, but not tested.
4.
Typical value is 36 sec. The typical chip programming time is considerably less than the maximum chip
programming time listed, since most bytes program faster than the maximum program times listed.
AC CHARACTERISTICS – READ-ONLY OPERATIONS
VCC = 3.3V ± 0.3V, -55°C ≤ TA ≤ +125°C
Parameter
Symbol
-90
-100
-120
Unit
Min
Max
Min
Max
Min
Max
Read Cycle Time (1)
tAVAV
tRC
90
100
120
ns
Address Access Time
tAVQV
tACC
90
100
120
ns
Chip Select Access Time
tELQV
tCE
90
100
120
ns
Output Enable to Output Valid
tGLQV
tOE
40
50
ns
Chip Select High to Output High Z
tEHQZ
tDF
20
ns
Output Enable High to Output High Z
tGHQZ
tDF
20
ns
Output Hold from Addresses, CS# or OE#
Change, Whichever occurs rst
tAXQX
tOH
0
ns
Output Enable Hold Time (1)
Read
tOEH
00
0
Toggle and
Data# Polling
10
1.
Guaranteed by design, not tested.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W72M64VK-XBX 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:2Mx64 3.3V Simultaneous Operation Flash Multi-Chip Package
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