参数资料
型号: WMF512K8-90CM5
厂商: WHITE ELECTRONIC DESIGNS CORP
元件分类: PROM
英文描述: 512K X 8 FLASH 5V PROM, 90 ns, CDIP32
封装: 0.600 INCH, HERMETIC SEALED, SINGLE CAVITY, CERAMIC, SDIP-32
文件页数: 9/13页
文件大小: 375K
代理商: WMF512K8-90CM5
5
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
WMF512K8-XXX5
November 2005
Rev. 6
White Electronic Designs Corp. reserves the right to change products or specications without notice.
AC WAVEFORMS FOR READ OPERATIONS
Addresses
CS#
OE#
WE#
Outputs
High Z
Addresses Stable
tOE
tRC
Output Valid
tCE
tACC
tOH
High Z
tDF
NOTES:
1. PA is the address of the memory location to be programmed.
2. PD is the data to be programmed at byte address.
3. I/O7# is the output of the complement of the data written to the device.
4. I/OOUT is the output of the data written to the device.
5. Figure indicates last two bus cycles of four bus cycle sequence.
WRITE/ERASE/PROGRAM OPERATION, WE# CONTROLLED
Addresses
CS#
OE#
WE#
Data
5.0 V
5555H
PA
tWC
tCS
PD
I/O7#
I/OOUT
tAH
tWPH
tDH
tDS
Data# Polling
tAS
tRC
tWP
A0H
tOE
tDF
tOH
tCE
tGHWL
tWHWH1
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