AT24C32/64
Pin Description
Memory Organization
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 or left not connected for hardware compatibility with
AT24C16. When the pins are hardwired, as many as eight 32K/64K devices may be
addressed on a single bus system (device addressing is discussed in detail under the
Device Addressing section). When the pins are not hardwired, the default A 2 , A 1 , and A 0
are zero.
WRITE PROTECT (WP): The write protect input, when tied to GND, allows normal write
operations. When WP is tied high to V CC , all write operations to the upper quandrant
(8/16K bits) of memory are inhibited. If left unconnected, WP is internally pulled down to
GND.
AT24C32/64, 32K/64K SERIAL EEPROM: The 32K/64K is internally organized as 256
pages of 32 bytes each. Random word addressing requires a 12/13 bit data word
address.
3
0336K–SEEPR–7/03
相关PDF资料
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AT25040A-10TU-1.8 IC EEPROM 4KBIT 20MHZ 8TSSOP
AT25040N-10SI-2.7 IC EEPROM 4KBIT 2.1MHZ 8SOIC
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相关代理商/技术参数
AT24C64W-10SI-2.5 功能描述:IC EEPROM 64KBIT 400KHZ 8SO 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:64Kb (8K x 8) 时钟频率:400kHz 写周期时间 - 字,页:10ms 访问时间:900ns 存储器接口:I2C 电压 - 电源:2.5 V ~ 5.5 V 工作温度:-40°C ~ 85°C(TA) 安装类型:表面贴装 封装/外壳:8-SOIC(0.209",5.30mm 宽) 供应商器件封装:8-SOIC 基本零件编号:AT24C64 标准包装:94
AT24C64W-10SI-2.7 功能描述:电可擦除可编程只读存储器 32/64k 2-Wire Bus 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
AT24C94AN-10SI-2.7 制造商:Atmel Corporation 功能描述:
AT24CM01-SHD-B 制造商:Atmel Corporation 功能描述:Cap Film 0.27uF 400V PP 10% (18 X 7.5 X 13.5mm) Radial 15mm 105°C Pizza Pack 制造商:Atmel Corporation 功能描述:8 EIAJ SOIC, PB/HALO FREE, NIPDAU, 2.5V - Bulk 制造商:Atmel Corporation 功能描述:IC EEPROM 1MBIT 1MHZ 8SOIC 制造商:Atmel Corporation 功能描述:SERIAL EEPROM, 1M 2-WIR-8 EIAJ SOIC 制造商:Atmel 功能描述:Cap Film 0.27uF 400V PP 10% (18 X 7.5 X 13.5mm) Radial 15mm 105°C Pizza Pack
AT24CM01-SHD-B SL901 制造商:Atmel Corporation 功能描述:IC EEPROM 1MBIT 1MHZ 8SOIC
AT24CM01-SHD-T 制造商:Atmel Corporation 功能描述:EEPROM Serial-I2C 1M-bit 128K x 8 3.3V/5V 8-Pin SOIC EIAJ T/R 制造商:Atmel Corporation 功能描述:SERIAL EEPROM, 1M (128K X 8), 2-WIR - 8 EIAJ SOIC, PB/HALO F - Tape and Reel 制造商:Atmel 功能描述:SERIAL EE 制造商:Atmel Corporation 功能描述:IC EEPROM 1MBIT 1MHZ 8SOIC 制造商:Atmel Corporation 功能描述:SERIAL EEPROM, 1M 2-WIR-8 EIAJ SOIC
AT24CM01-SHM-B 制造商:Atmel Corporation 功能描述:SERIAL EEPROM, 1M (128K X 8), 2-WIR - 8 EIAJ SOIC, PB/HALO F - Bulk 制造商:Atmel Corporation 功能描述:IC EEPROM 1MBIT 1MHZ 8SOIC 制造商:Atmel Corporation 功能描述:SERIAL EEPROM, 1M 2-WIR-8 EIAJ SOIC 制造商:Atmel 功能描述:Cap Film 0.056uF 250V PP 2% (10 X 4 X 8mm) Radial 7.5mm 105°C Ammo Pack
AT24CM01-SHM-T 制造商:Atmel Corporation 功能描述:SERIAL EEPROM, 1M (128K X 8), 2-WIR - 8 EIAJ SOIC, PB/HALO F - Tape and Reel 制造商:Atmel Corporation 功能描述:IC EEPROM 1MBIT 1MHZ 8SOIC 制造商:Atmel Corporation 功能描述:SERIAL EEPROM, 1M 2-WIR-8 EIAJ SOIC 制造商:Atmel 功能描述:Res Thin Film 2512 10K Ohm 0.5% 1/2W ±50ppm/°C Molded SMD Plastic T/R