Datasheet > AT34C02C_09

AT34C02C_09

更新时间： 2024-02-03 20:47:13

品牌	Logo	应用领域
爱特美尔 - ATMEL		可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数	文件大小	规格书
18页	407K
描述
Two-wire Automotive Temperature Serial EEPROM with Permanent and Reversible Software Write Protect

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中文翻译

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数据手册

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AT34C02C_09 数据手册

Features

• Permanent and Reversible Software Write Protection for the First-half of the Array

– Software Procedure to Verify Write Protect Status

• Hardware Write Protection for the Entire Array

• Standard-voltage Operation

– 2.5 (V_CC= 2.5V to 5.5V)

• Internally Organized 256 x 8

• Two-wire Serial Interface

• Schmitt Trigger, Filtered Inputs for Noise Suppression

• Bidirectional Data Transfer Protocol

• 400 kHz (2.5V and 5.5V) Compatibility

• 16-byte Page Write Modes

Two-wire

• Partial Page Writes Are Allowed

Automotive

Temperature

Serial EEPROM

with Permanent

and Reversible

Software Write

Protect

• Self-timed Write Cycle (5 ms max)

• High-reliability

– Endurance: 1 Million Write Cycles

– Data Retention: 100 Years

• 8-lead JEDEC SOIC and 8-lead TSSOP Packages

Description

The AT34C02C provides 2048 bits of serial electrically-erasable and programmable

read only memory (EEPROM) organized as 256 words of 8 bits each. The first-half of

the device incorporates a permanent and a reversible software write protection feature

while hardware write protection for the entire array is available via an external pin.

Once the permanent software write protection is enabled, by sending a special com-

mand to the device, it cannot be reversed. However, the reversible software write

protection is enabled and can be reversed by sending a special command. The hard-

ware write protection is controlled with the WP pin and can be used to protect the

entire array, whether or not the software write protection has been enabled. This

allows the user to protect none, first-half, or all of the array depending on the applica-

tion. The device is optimized for use in many industrial and commercial applications

where low-power and low-voltage operations are essential. The AT34C02C is avail-

able in space saving 8-lead JEDEC SOIC and 8-lead TSSOP packages and is

accessed via a Two-wire serial interface. It is available in 2.5V (2.5V to 5.5V).

2K (256 x 8)

AT34C02C

Table 1. Pin Configurations

8-lead SOIC

Pin Name

A0 - A2

SDA

Function

VCC

Address Inputs

Serial Data

SCL

SDA

GND

SCL

Serial Clock Input

Write Protect

8-lead TSSOP

VCC

SCL

SDA

GND

Rev. 5242B–SEEPR–01/09

12 3 4 5 6 7...18

中文翻译

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与AT34C02C_09相关器件

型号	品牌	获取价格	描述	数据表
AT34C02CN-SH-B	ATMEL	获取价格	Two-wire Serial EEPROM with Permanent and Reversible Software Write Protect 2K (256 x 8)
AT34C02CN-SH-T	ATMEL	获取价格	Two-wire Serial EEPROM with Permanent and Reversible Software Write Protect 2K (256 x 8)
AT34C02CN-SP25-B	ATMEL	获取价格	Two-wire Automotive Temperature Serial EEPROM with Permanent and Reversible Software Write
AT34C02CN-SP25-T	ATMEL	获取价格	Two-wire Automotive Temperature Serial EEPROM with Permanent and Reversible Software Write
AT34C02C-TH-B	ATMEL	获取价格	Two-wire Serial EEPROM with Permanent and Reversible Software Write Protect 2K (256 x 8)
AT34C02C-TH-T	ATMEL	获取价格	Two-wire Serial EEPROM with Permanent and Reversible Software Write Protect 2K (256 x 8)
AT34C02C-TP25-B	ATMEL	获取价格	Two-wire Automotive Temperature Serial EEPROM with Permanent and Reversible Software Write
AT34C02C-TP25-T	ATMEL	获取价格	Two-wire Automotive Temperature Serial EEPROM with Permanent and Reversible Software Write
AT34C02CU3-UU-T	ATMEL	获取价格	Two-wire Serial EEPROM with Permanent and Reversible Software Write Protect 2K (256 x 8)
AT34C02CY6-YH-E	ATMEL	获取价格	EEPROM, 256X8, Serial, CMOS, PDSO8, 2 X 3 MM, 0.60 MM HEIGHT, 0.50 MM PITCH, HALOGEN AND

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