參數(shù)資料
型號(hào): HN58S256AI
廠商: Hitachi,Ltd.
英文描述: 32768-word ×8-bit Electrically Erasable and Programmable CMOS ROM(256k EEPROM (32k字 ×8位))
中文描述: 32768字× 8位電可擦除和可編程的CMOS光盤(256k的EEPROM(32K的字× 8位))
文件頁(yè)數(shù): 11/19頁(yè)
文件大小: 119K
代理商: HN58S256AI
Datasheet Title
11
Toggle bit
This device provide another function to determine the internal programming cycle. If the EEPROM is set
to read mode during the internal programming cycle, I/O6 will charge from “1” to “0” (toggling) for each
read. When the internal programming cycle is finished, toggling of I/O6 will stop and the device can be
accessible for next read or program.
Toggle bit Waveform
Notes: 1. I/O6 beginning state is “1”.
2. I/O6 ending state will vary.
3. See AC read characteristics.
4. Any address location can be used, but the address must be fixed.
V
CE
WE
Address
Data
5555
AA
2AAA
55
5555
A0
t
BLC
t
WC
CC
Write address
Write data
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