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AT24HC02B
3. Pin Description
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 must be hardwired for the AT24HC02B. As many as eight 2K devices may be addressed on
a single bus system. (Device addressing is discussed in detail under Device Addressing, page
8 ).
WRITE PROTECT (WP): The AT24HC02B has a WP pin that provides hardware data protec-
tion. The WP pin allows normal read/write operations when connected to ground (GND). When
the WP pin is connected to V CC , the write protection feature is enabled and operates as shown.
Table 3-1.
Write Protect
Part of the Array Protected
WP Pin Status
At V CC
At GND
24HC02B
Upper Half (1K) Array
Normal Read/Write Operations
3
5134E–SEEPR–3/08
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相关代理商/技术参数
AT24HC02B-TH-T 功能描述:电可擦除可编程只读存储器 1.8V - 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
AT24HC02C-PUM 制造商:Atmel Corporation 功能描述:SERIAL EEPROM, 2K (256 X 8), 2-WIRE - 8 PDIP, PB/HALO FREE, - Rail/Tube 制造商:Atmel Corporation 功能描述:Atmel AT24HC02C-PUM EEPROM 制造商:Atmel Corporation 功能描述:IC EEPROM 2KBIT 1MHZ 8DIP
AT24HC02C-SSHM-B 制造商:Atmel Corporation 功能描述:SERIAL EEPROM, 2K (256 X 8), 2-WIRE - 8 SOIC, PB/HALO FREE, - Bulk 制造商:Atmel 功能描述:SERIAL EE 制造商:Atmel Corporation 功能描述:IC EEPROM 2KBIT 8SOIC 1.7V 制造商:Atmel Corporation 功能描述:2K 2-WIRE 8 SOIC PB HALOFREE NiPdAu 1.7V 制造商:Atmel 功能描述:EEPROM Serial-I2C 2K-bit 256 x 8 1.8V/2.5V/3.3V 8-Pin SOIC Bulk
AT24HC02C-SSHM-T 制造商:Atmel Corporation 功能描述:SERIAL EEPROM, 2K (256 X 8), 2-WIRE - 8 SOIC, PB/HALO FREE, - Tape and Reel 制造商:Atmel 功能描述:Atmel AT24HC02C-SSHM-T EEPROM 制造商:Atmel Corporation 功能描述:IC EEPROM 2KBIT 8SOIC 1.7V 制造商:Atmel Corporation 功能描述:2K 2-WIRE 8 SOIC PB HALOFREE NiPdAu 1.7V
AT24HC02C-XHM-B 制造商:Atmel Corporation 功能描述:SERIAL EEPROM, 2K (256 X 8), 2-WIRE - 8 TSSOP, PB/HALO FREE, - Bulk 制造商:Atmel Corporation 功能描述:EEPROM Serial-I2C 2K-bit 256 x 8 1.8V/2.5V/3.3V 8-Pin SOIC Bulk 制造商:Atmel Corporation 功能描述:IC EEPROM 2KBIT 1MHZ 8TSSOP
AT24HC02C-XHM-T 制造商:Atmel Corporation 功能描述:SERIAL EEPROM, 2K (256 X 8), 2-WIRE - 8 TSSOP, PB/HALO FREE, - Tape and Reel 制造商:Atmel Corporation 功能描述:IC EEPROM 2KBIT 1MHZ 8TSSOP
AT24HC04BN-SH-B 功能描述:电可擦除可编程只读存储器 4K - 512 x 8 1.8V to 5.5V supply 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
AT24HC04BN-SH-T 功能描述:电可擦除可编程只读存储器 4K - 512 x 9 1.8V to 5.5V supply 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