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AT24C01B
1. 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 are hard wired for the AT24C01B. As many as eight 1K devices may be addressed on a sin-
gle bus system (device addressing is discussed in detail under the Device Addressing section).
WRITE PROTECT (WP): The AT24C01B has a write protect pin that provides hardware data
protection. The write protect pin allows normal read/write operations when connected to ground
(GND). When the write protect pin is connected to V CC , the write protection feature is enabled
and operates as shown in Table 1-1 .
Table 1-1.
Write Protect
Part of the Array Protected
WP Pin
Status
At V CC
At GND
24C01B
Full (1K) Array
Normal Read/Write Operations
2. Memory Organization
AT24C01B, 1K SERIAL EEPROM: Internally organized with 16 pages of 8 bytes each, the 1K
requires an 7-bit data word address for random word addressing. (See Figure 8-2 on page 10 )
3
5156E–SEEPR–10/08
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相关代理商/技术参数
AT24C01BU3-UU-T 功能描述:电可擦除可编程只读存储器 1.8V-IND 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
AT24C01B-W-11 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Two-wire Serial EEPROM 1K (128 x 8)
AT24C01BY6-YH-T 功能描述:电可擦除可编程只读存储器 1.8V - 8-MINI MAP NIPDAU LF 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
AT24C01C-CUM-T 制造商:Atmel Corporation 功能描述:
AT24C01C-MAHM-T 制造商:Atmel Corporation 功能描述:SERIAL EEPROM, 1K (128 X 8), 2-WIRE - 8 UDFN, PB/HALO FREE, - Tape and Reel 制造商:Atmel 功能描述:SERIAL EE 制造商:Atmel Corporation 功能描述:IC EEPROM 1KBIT 8UDFN 1.7V 制造商:Atmel Corporation 功能描述:1K 2-WIRE 8 UDFN, PB HALOFREE NiPdAu 1.7V 制造商:Atmel 功能描述:EEPROM Serial-2Wire 1K-bit 128 x 8 1.8V/2.5V/3.3V/5V 8-Pin UDFN EP T/R
AT24C01C-PUM 制造商:Atmel Corporation 功能描述:EEPROM Serial-2Wire 1K-bit 128 x 8 1.8V/2.5V/3.3V/5V 8-Pin PDIP W Bulk 制造商:Atmel Corporation 功能描述:SERIAL EEPROM, 1K (128 X 8), 2-WIRE - 8 PDIP, PB/HALO FREE, - Rail/Tube 制造商:Atmel Corporation 功能描述:IC EEPROM 1KBIT 8PDIP 1.7V 制造商:Atmel Corporation 功能描述:1K 2-WIRE 8 PDIP PB/HALO FREE, 1.7V
AT24C01C-SSHM-B 功能描述:电可擦除可编程只读存储器 1K 2-WIRE 8 SOIC PB HALOFREE NiPdAu 1.7V 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
AT24C01C-SSHM-T 功能描述:电可擦除可编程只读存储器 1K 2-WIRE 8 SOIC PB HALOFREE NiPdAu 1.7V 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