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参数资料
| 型号： | 93AA46C |
| 厂商： | Microchip Technology Inc. |
| 元件分类： | EEPROM |
| 英文描述： | 1K Microwire Compatible Serial EEPROM |
| 中文描述： | 一千微丝兼容串行EEPROM |
| 文件页数： | 10/24页 |
| 文件大小： | 403K |
| 代理商： | 93AA46C |
93AA46A/B/C, 93LC46A/B/C, 93C46A/B/C
DS21749D-page 10
2003 Microchip Technology Inc.
2.9
WRITE ALL (WRAL)
The Write All (
WRAL
) instruction will write the entire
memory array with the data specified in the command.
For 93AA46A/B/C and 93LC46A/B/C devices, after the
last data bit is clocked into DI, the falling edge of CS
initiates the self-timed auto-erase and programming
cycle. For 93C46A/B/C devices, the self-timed auto-
erase and programming cycle is initiated by the rising
edge of CLK on the last data bit. Clocking of the CLK
pin is not necessary after the device has entered the
WRAL cycle. The WRAL command 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 (T
CSL
).
Note:
Issuing a Start bit and then taking CS low
will clear the READY/BUSY status from
DO.
V
CC
must be
≥
4.5V for proper operation of WRAL.
FIGURE 2-10:
WRAL TIMING FOR 93AA AND 93LC DEVICES
FIGURE 2-11:
WRAL TIMING FOR 93C DEVICES
CS
CLK
DI
DO
HIGH-Z
1
0
0
0
1
X
X
Dx
D0
HIGH-Z
BUSY
READY
T
WL
V
CC
must be
≥
4.5V for proper operation of WRAL.
T
CSL
T
SV
T
CZ
CS
CLK
DI
DO
HIGH-Z
1
0
0
0
1
X
X
Dx
D0
HIGH-Z
BUSY
READY
T
WL
T
CSL
T
SV
T
CZ
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| 93C46C | 1K Microwire Compatible Serial EEPROM |
| 93LC46C | 1K Microwire Compatible Serial EEPROM |
| 93AA56 | 2K 1.8V CMOS Serial EEPROM(1.8~5.5V,2K 位,1M次可自定时擦写周期,EEPROM) |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 93AA46C/S15K | 制造商:Microchip Technology Inc 功能描述:1K, 128 X 8 OR 64 X 16, SERIAL - Gel-pak, waffle pack, wafer, diced wafer on film |
| 93AA46C/W15K | 功能描述:电可擦除可编程只读存储器 1K, 128 X 8 OR 64 X 16, SERIAL EE 1.8V WAFER RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
| 93AA46C/WF15K | 功能描述:电可擦除可编程只读存储器 1K, 128 X 8 OR 64 X 16, SERIAL EE 1.8V WAFER on FR RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
| 93AA46C-E/MC | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:1K Microwire Compatible Serial EEPROM |
| 93AA46C-E/MCG | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:1K Microwire Compatible Serial EEPROM |
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