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参数资料
| 型号： | AT24C256C-TH-B |
| 厂商： | ATMEL CORP |
| 元件分类： | PROM |
| 英文描述： | 32K X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8 |
| 封装： | 4.40 MM, LEAD AND HALOGEN FREE, PLASTIC, MO-153AA, TSSOP-8 |
| 文件页数： | 17/23页 |
| 文件大小： | 412K |
| 代理商： | AT24C256C-TH-B |
AT24C256C
3
8568A–SEEPR–11/08
1.
Pin Descriptions
SERIAL CLOCK (SCL): The SCL input is used to positive-edge clock data into each EEPROM device and
negative-edge clock data out of each device.
SERIAL DATA (SDA): The SDA pin is bidirectional for serial data transfer. This pin is open drain driven and may be
wire-ORed with any number of other open-drain or open-collector devices.
DEVICE/PAGE ADDRESSES (A2, A1, A0): The A2, A1, and A0 pins are device address inputs that are hardwired
(directly to GND or to V
CC) for compatibility with other AT24Cxx devices. When the pins are hardwired, as many as eight
256K devices may be addressed on a single bus system. (Device addressing is discussed in detail under “Device
Addressing”) A device is selected when a corresponding hardware and software match is true. If these pins are left
floating, the A2, A1, and A0 pins will be internally pulled down to GND. However, due to capacitive coupling that may
appear during customer applications, Atmel recommends always connecting the address pins to a known state. When
using a pull-up resistor, Atmel recommends using 10k
or less.
WRITE PROTECT (WP): The write protect input, when connected to GND, allows normal write operations. When WP
is connected directly to V
CC, all write operations to the memory are inhibited. If the pin is left floating, the WP pin will be
internally pulled down to GND. However, due to capacitive coupling that may appear during customer applications,
Atmel recommends always connecting the WP pins to a known state. When using a pull-up resistor, Atmel
recommends using 10k
or less.
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PDF描述 |
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| AT25C02-10PC-2.7 | 256 X 8 SPI BUS SERIAL EEPROM, PDIP8 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AT24C256C-XHLAU-B | 制造商:Atmel Corporation 功能描述:SERIAL EEPROM, 256K (32K X 8), 2-WI - 8 TSSOP, PB/HALO FREE - Bulk |
| AT24C256C-XHL-B | 功能描述:电可擦除可编程只读存储器 256K (32K X 8), 2-WI 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 |
| AT24C256C-XHL-T | 功能描述:电可擦除可编程只读存储器 256K (32K X 8), 2-WI 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 |
| AT24C256C-XPD-T | 制造商:Atmel Corporation 功能描述:SERIAL EEPROM, 256K (32K X 8) - Tape and Reel |
| AT24C256N-10SC | 功能描述:IC EEPROM 256KBIT 1MHZ 8SOIC 制造商:microchip technology 系列:- 包装:管件 零件状态:停產 存储器类型:非易失 存储器格式:EEPROM 技术:EEPROM 存储容量:256Kb （32K x 8） 时钟频率:1MHz 写周期时间 - 字，页:10ms 访问时间:550ns 存储器接口:I2C 电压 - 电源:4.5 V ~ 5.5 V 工作温度:0°C ~ 70°C（TA） 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商器件封装:8-SOIC 基本零件编号:AT24C256 标准包装:100 |
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