参数资料
| 型号： | AT25020AY1-10YU-1.8 |
| 厂商： | Atmel |
| 文件页数： | 6/22页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 2KBIT 20MHZ 8MAP |
| 标准包装： | 120 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 2K (256 x 8) |
| 速度： | 5MHz，10MHz，20MHz |
| 接口： | SPI 3 线串行 |
| 电源电压： | 1.8 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-UDFN 裸露焊盘 |
| 供应商设备封装： | 8-MAP（3x4.9） |
| 包装： | 管件 |
| 产品目录页面： | 1456 (CN2011-ZH PDF) |
| 其它名称： | AT25020AY110YU1.8 |
Serial Interface
Description
MASTER: The device that generates the serial clock.
SLAVE: Because the serial clock pin (SCK) is always an input, the
AT25010A/020A/040A always operates as a slave.
TRANSMITTER/RECEIVER: The AT25010A/020A/040A has separate pins designated
for data transmission (SO) and reception (SI).
MSB: The Most Significant Bit (MSB) is the first bit transmitted and received.
SERIAL OP-CODE: After the device is selected with CS going low, the first byte will be
received. This byte contains the op-code that defines the operations to be performed.
The op-code also contains address bit A8 in both the read and write instructions.
INVALID OP-CODE: If an invalid op-code is received, no data will be shifted into the
AT25010A/020A/040A, and the serial output pin (SO) will remain in a high impedance
state until the falling edge of CS is detected again. This will reinitialize the serial
communication.
CHIP SELECT: The AT25010A/020A/040A is selected when the CS pin is low. When
the device is not selected, data will not be accepted via the SI pin, and the SO pin will
remain in a high impedance state.
HOLD: The HOLD pin is used in conjunction with the CS pin to select the
AT25010A/020A/040A. When the device is selected and a serial sequence is underway,
HOLD can be used to pause the serial communication with the master device without
resetting the serial sequence. To pause, the HOLD pin must be brought low while the
SCK pin is low. To resume serial communication, the HOLD pin is brought high while the
SCK pin is low (SCK may still toggle during HOLD). Inputs to the SI pin will be ignored
while the SO pin is in the high impedance state.
WRITE PROTECT: The write protect pin (WP) will allow normal read/write operations
when held high. When the WP pin is brought low, all write operations are inhibited.
WP going low while CS is still low will interrupt a write to the AT25010A/020A/040A. If
the internal write cycle has already been initiated, WP going low will have no effect on
any write operation.
6
AT25010A/020A/040A
3348J–SEEPR–8/06
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AT25020AY6-10YH-1.8 | 功能描述:电可擦除可编程只读存储器 PB/HALO FREE, 1.8V 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 |
| AT25020B | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:f serial electrically erasable able programmable read-only memory |
| AT25020B-MAHL-T | 功能描述:电可擦除可编程只读存储器 2K (256 X 8) SPI, 1.8V 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 |
| AT25020B-SSHL-B | 功能描述:电可擦除可编程只读存储器 2K (256 X 8) SPI, 1.8V 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 |
| AT25020B-SSHL-T | 功能描述:电可擦除可编程只读存储器 2K (256 X 8) SPI, 1.8V 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 |
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