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Features
? Low-voltage and Standard-voltage Operation
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– 2.7 (V CC = 2.7V to 5.5V)
– 1.8 (V CC = 1.8V to 3.6V)
Internally Organized 65,536 x 8
Two-wire Serial Interface
Schmitt Triggers, Filtered Inputs for Noise Suppression
Bidirectional Data Transfer Protocol
1 MHz (5V), 400 kHz (2.7V) and 100 kHz (1.8V) Compatibility
Write Protect Pin for Hardware and Software Data Protection
128-byte Page Write Mode (Partial Page Writes Allowed)
Self-timed Write Cycle (5 ms Max)
High Reliability
– Endurance: 100,000 Write Cycles
– Data Retention: 40 Years
Automotive Devices Available
8-lead PDIP, 8-lead EIAJ SOIC, 8-lead JEDEC SOIC, 8-lead TSSOP,
8-lead LAP, 8-lead SAP and 8-ball dBGA2 Packages
Die Sales: Wafer Form, Waffle Pack and Bumped Die
Two-wire Serial
EEPROM
512K (65,536 x 8)
AT24C512
Description
The AT24C512 provides 524,288 bits of serial electrically erasable and programmable
read only memory (EEPROM) organized as 65,536 words of 8 bits each. The device’s
cascadable feature allows up to four devices to share a common two-wire bus. The
device is optimized for use in many industrial and commercial applications where low-
power and low-voltage operation are essential. The devices are available in space-
saving 8-pin PDIP, 8-lead EIAJ SOIC, 8-lead JEDEC SOIC, 8-lead TSSOP, 8-lead
Leadless Array (LAP), and 8-lead SAP packages. In addition, the entire family is avail-
able in 2.7V (2.7V to 5.5V) and 1.8V (1.8V to 3.6V) versions.
Table 1. Pin Configurations
Note: Not recommended for new
design; please refer to
AT24C512B datasheet.
Pin Name
Function
8-lead TSSOP
8-lead PDIP
A0–A1
SDA
SCL
Address Inputs
Serial Data
Serial Clock Input
A0
A1
NC
GND
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
A0
A1
NC
GND
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
WP
Write Protect
NC
No Connect
8-lead SOIC
A0
A1
NC
GND
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
8-ball dBGA2
8-lead Leadless Array
8-lead SAP
VCC
WP
SCL
SDA
8
7
6
5
1
2
3
4
A0
A1
NC
GND
VCC
WP
SCL
SDA
8
7
6
5
1
2
3
4
A0
A1
NC
GND
VCC
WP
SCL
SDA
8
7
6
5
1
2
3
4
A0
A1
NC
GND
Bottom View
Bottom View
Bottom View
Rev. 1116O–SEEPR–1/07
1
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AT24C512W-10SU-2.7 功能描述:IC EEPROM 512KBIT 1MHZ 8SOIC RoHS:是 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
AT24C512W-10SU-2.7 SL383 制造商:Atmel Corporation 功能描述:EEPROM Serial-2Wire 512K-bit 64K x 8 3.3V/5V 8-Pin SOIC EIAJ T/R
AT24C512W1-10SC-2.7 制造商:Atmel Corporation 功能描述:EEPROM Serial-2Wire 512K-bit 64K x 8 3.3V/5V 20-Pin SOIC
AT24C512W1-10SI-1.8 功能描述:IC EEPROM 512KBIT 400KHZ 20SOIC RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:378 系列:- 格式 - 存储器:闪存 存储器类型:FLASH 存储容量:8M（1M x 8，512K x 16） 速度:110ns 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:-40°C ~ 85°C 封装/外壳:48-CBGA 供应商设备封装:48-CBGA（7x7） 包装:托盘
AT24C512W1-10SI-2.7 功能描述:IC EEPROM 512KBIT 1MHZ 20SOIC RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:378 系列:- 格式 - 存储器:闪存 存储器类型:FLASH 存储容量:8M（1M x 8，512K x 16） 速度:110ns 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:-40°C ~ 85°C 封装/外壳:48-CBGA 供应商设备封装:48-CBGA（7x7） 包装:托盘
AT24C512W1-10SI-2.7 SL383 制造商:Atmel Corporation 功能描述:10MS20 SOIC IND TEMP2.7V
AT24C64 制造商:Panasonic Industrial Company 功能描述:EPROM
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