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Features
? Write Protect Pin for Hardware Data Protection
– Utilizes Different Array Protection Compared to the AT24C02/04
? Low-voltage and Standard-voltage Operation
– 2.7 (V CC = 2.7V to 5.5V)
– 1.8 (V CC = 1.8V to 5.5V)
?
?
?
Internally Organized 256 x 8 (2K), 512 x 8 (4K)
Two-wire Serial Interface
Schmitt Trigger, Filtered Inputs for Noise Suppression
?
?
?
?
?
?
?
?
?
Bidirectional Data Transfer Protocol
100 kHz (1.8V) and 400 kHz (2.5V, 2.7V, 5V) Clock Rate
8-byte Page (2K), 16-byte Page (4K) Write Modes
Partial Page Writes Allowed
Self-timed Write Cycle (5 ms Max)
High Reliability
– Endurance: One Million Write Cycles
– Data Retention: 100 Years
Automotive Grade, Extended Temperature and Lead-Free/Halogen-Free Devices
Available
8-lead PDIP, 8-lead JEDEC SOIC, 8-lead MAP, 8-lead TSSOP and 8-ball dBGA2 Packages
Die Sales: Wafer Form, Waffle Pack, and Bumped Wafers.
Two-wire Serial
EEPROM
2K (256 x 8)
4K (512 x 8)
AT24C02A
Description
The AT24C02A/04A provides 2048/4096 bits of serial electrically erasable and program-
mable read-only memory (EEPROM) organized as 256/512 words of 8 bits each. The
device is optimized for use in many industrial and commercial applications where low-
power and low-voltage operation are essential. The AT24C02A/04A is available in
space-saving 8-lead PDIP, 8-lead JEDEC SOIC, 8-lead MAP and 8-lead TSSOP pack-
ages and is accessed via a two-wire serial interface. In addition, the entire family is
available in 2.7V (2.7V to 5.5V) and 1.8V (1.8V to 5.5V) versions.
Table 1. Pin Configuration
AT24C04A
Pin Name
Function
8 -le a d T SS OP
8 -le a d PDIP
A0–A2
SDA
Address Inputs
Serial Data
A0
A1
A2
GND
1
2
3
4
8
7
6
5
VCC
WP
S CL
S DA
A0
A1
A2
GND
1
2
3
4
8
7
6
5
VCC
WP
S CL
S DA
SCL
Serial Clock Input
WP
Write Protect
8 -le a d MAP
8 -le a d S OIC
NC
No-connect
VCC
WP
S CL
S DA
8
7
6
5
1
2
3
4
A0
A1
A2
GND
A0
A1
A2
GND
1
2
3
4
8
7
6
5
VCC
WP
S CL
S DA
Bottom View
8 - ba ll dBGA2
VCC
WP
S CL
S DA
8
7
6
5
1
2
3
4
A0
A1
A2
GND
Bottom View
Rev. 0976Q–SEEPR–8/05
1
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相关代理商/技术参数
AT24C04AN-10SI-2.7 SL383
功能描述:IC EEPROM 4KBIT 400KHZ 8SOIC RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:96 系列:- 格式 - 存储器:闪存 存储器类型:FLASH 存储容量:16M（2M x 8，1M x 16） 速度:70ns 接口:并联 电源电压:2.65 V ~ 3.6 V 工作温度:-40°C ~ 85°C 封装/外壳:48-TFSOP（0.724"，18.40mm 宽） 供应商设备封装:48-TSOP 包装:托盘
AT24C04AN-10SI-2.7-T
功能描述:IC EEPROM 4KBIT 400KHZ 8SOIC 制造商:microchip technology 系列:- 包装:带卷（TR） 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:4Kb （512 x 8） 时钟频率:400kHz 写周期时间 - 字，页:5ms 访问时间:900ns 存储器接口:I2C 电压 - 电源:2.7 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（0.154"，3.90mm 宽） 供应商器件封装:8-SOIC 基本零件编号:AT24C04 标准包装:3,000
AT24C04AN-10SQ-2.7
制造商:Atmel Corporation 功能描述:
AT24C04AN-10SU-1.8
功能描述:电可擦除可编程只读存储器 4K 2-WIRE 1M CYCLES - 10MS 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
AT24C04AN-10SU-2.7
功能描述:电可擦除可编程只读存储器 4K 2-WIRE 1M CYCLES - 10MS 2.7V 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
AT24C04AN-10SU-2.7 SL383
制造商:Atmel Corporation 功能描述:EEPROM Serial-2Wire 4K-bit 512 x 8 3.3V/5V 8-Pin SOIC T/R
AT24C04AY1-10YI-1.8
制造商:未知厂家 制造商全称:未知厂家 功能描述:EEPROM
AT24C04AY1-10YI-2.7
制造商:未知厂家 制造商全称:未知厂家 功能描述:EEPROM