参数资料
型号: 93C46BI/P
元件分类: PROM
英文描述: 128 X 8 MICROWIRE BUS SERIAL EEPROM, PDIP8
封装: 0.300 INCH, LEAD FREE, PLASTIC, MS-001, DIP-8
文件页数: 5/38页
文件大小: 700K
代理商: 93C46BI/P
2007 Microchip Technology Inc.
DS21929D-page 13
93XX46X/56X/66X/76X/86X
3.6
ERASE/WRITE DISABLE And
ENABLE (EWDS/EWEN)
The 93XX series devices power-up in the Erase/Write
Disable (EWDS) state. All programming modes must
be preceded by an Erase/Write Enable (EWEN) instruc-
tion. Once the EWEN instruction is executed, program-
ming remains enabled until an EWDS instruction is
executed or VCC is removed from the device.
To protect against accidental data disturbance, the
EWDS
instruction can be used to disable all Erase/Write
functions
and
should
follow
all
programming
operations.
Execution
of
a
READ
instruction
is
independent of both the EWEN and EWDS instructions.
FIGURE 3-5:
EWDS TIMING
FIGURE 3-6:
EWEN TIMING
CS
CLK
DI
10
00
0
x
x
TCSL
1x
CS
CLK
DI
00
1
x
TCSL
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相关代理商/技术参数
参数描述
93C46B-ISM 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:1K 5.0V Microwire Serial EEPROM
93C46B-ISN 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:1K 5.0V Microwire Serial EEPROM
93C46B-IST 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:1K 5.0V Microwire Serial EEPROM
93C46BP 制造商:Microchip Technology Inc 功能描述:
93C46B-P 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:1K 5.0V Microwire Serial EEPROM