参数资料
型号: WF256K16-90CM5
元件分类: PROM
英文描述: 256K X 16 FLASH 5V PROM MODULE, 90 ns, CDIP40
封装: CERAMIC, DIP-40
文件页数: 9/11页
文件大小: 186K
代理商: WF256K16-90CM5
White Microelectronics Phoenix, AZ (602) 437-1520
7
FLASH
MODULES
7
FIG. 4
AC WAVEFORMS FOR WRITE/ERASE/PROGRAM OPERATIONS, WE CONTROLLED
WF128K16, WF256K16-XCX5
NOTES:
1. PA is the address of the memory location
to be programmed.
2. PD is the data to be programmed.
3. D7 is the output of the complement of the
data written (for each chip).
4. DOUT is the output of the data written to
the device.
5. Figure indicates last two bus cycles of four bus
cycle sequence.
Addresses
CS
OE
WE
Data
5.0
V
5555H
PA
tWC
tCS
PD
D
7
D
OUT
tAH
tWPH
tDH
tDS
Data
Polling
tAS
tRC
tWP
A0A0H
tOE
tDF
tOH
tCE
tGHWL
tWHWH1
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