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参数资料
| 型号： | 93C46BI/SM |
| 元件分类： | PROM |
| 英文描述： | 64 X 16 MICROWIRE BUS SERIAL EEPROM, PDSO8 |
| 封装： | 0.207 INCH, PLASTIC, SOIC-8 |
| 文件页数： | 10/12页 |
| 文件大小： | 211K |
| 代理商： | 93C46BI/SM |
93C46B
2001 Microchip Technology Inc.
DS21172E-page 7
3.8
WRITE
The WRITE instruction is followed by 16 bits of data,
which are written into the specified address. After the
last data bit is clocked into the DI pin, the self-timed
auto-erase and programming cycle begins.
The DO pin indicates the READY/BUSY status of the
device, if CS is brought high after a minimum of 250 ns
low (TCSL) and before the entire write cycle is complete.
DO at logical “0” indicates that programming is still in
progress. DO at logical “1” indicates that the register at
the specified address has been written with the data
specified and the device is ready for another instruc-
tion.
3.9
Write All (WRAL)
The Write All (WRAL) instruction will write the entire
memory array with the data specified in the command.
The WRAL cycle is completely self-timed and com-
mences at the rising clock edge of the last data bit.
Clocking of the CLK pin is not necessary after the
device has entered the WRAL cycle. The WRAL com-
mand does include an automatic ERAL cycle for the
device. Therefore, the WRAL instruction does not
require an ERAL instruction, but the chip must be in the
EWEN status.
The DO pin indicates the READY/BUSY status of the
device if CS is brought high after a minimum of 250 ns
low (TCSL).
FIGURE 3-7:
WRITE TIMING
FIGURE 3-8:
WRAL TIMING
CS
CLK
DI
DO
1
0
1An
A0
Dx
D0
BUSY
READY
HIGH-Z
Twc
TCSL
TCZ
TSV
CS
CLK
DI
DO
HIGH-Z
1
0
01
X
X
Dx
D0
HIGH-Z
BUSY
READY
TWL
TCSL
TSV
TCZ
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| 93C46BTE/SM | 64 X 16 MICROWIRE BUS SERIAL EEPROM, PDSO8 |
| 93C46B/ST | 64 X 16 MICROWIRE BUS SERIAL EEPROM, PDSO8 |
| 93C46BTI/SM | 64 X 16 MICROWIRE BUS SERIAL EEPROM, PDSO8 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| 93C46B-SM | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:1K 5.0V Microwire Serial EEPROM |
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