Datasheet > AT25010_03

AT25010_03

更新时间： 2024-09-19 04:33:07

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
17页	156K
描述
SPI Serial EEPROMs

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中文翻译

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数据手册

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AT25010_03 数据手册

Features

• Serial Peripheral Interface (SPI) Compatible

• Supports SPI Modes 0 (0,0) and 3 (1,1)

• Low-voltage and Standard-voltage Operation

– 2.7 (V_CC= 2.7V to 5.5V)

• 3.0 MHz Clock Rate (5V)

• 8-byte Page Mode

• Block Write Protection

– Protect 1/4, 1/2, or Entire Array

• Write Protect (WP) Pin and Write Disable Instructions for

Both Hardware and Software Data Protection

• Self-timed Write Cycle (10 ms max)

• High Reliability

– Endurance: One Million Write Cycles

– Data Retention: 100 Years

• Automotive Grade Devices Available

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

SPI Serial

EEPROMs

1K (128 x 8)

2K (256 x 8)

Description

4K (512 x 8)

The AT25010/020/040 provides 1024/2048/4096 bits of serial electrically erasable

programmable read only memory (EEPROM) organized as 128/256/512 words of 8

bits each. The device is optimized for use in many industrial and commercial applica-

tions where low-power and low voltage operation are essential. The AT25010/020/040

is available in space saving 8-lead PDIP and 8-lead JEDEC SOIC packages.

AT25010

AT25020

AT25040

The AT25010/020/040 is enabled through the Chip Select pin (CS) and accessed via a

3-wire interface consisting of Serial Data Input (SI), Serial Data Output (SO), and

Serial Clock (SCK). All programming cycles are completely self-timed, and no sepa-

rate ERASE cycle is required before WRITE.

BLOCK WRITE protection is enabled by programming the status register with one of

four blocks of write protection. Separate program enable and program disable instruc-

tions are provided for additional data protection. Hardware data protection is provided

via the WP pin to protect against inadvertent write attempts. The HOLD pin may be

used to suspend any serial communication without resetting the serial sequence.

Pin Configurations

8-lead PDIP

Pin Name Function

Chip Select

VCC

HOLD

SCK

Serial Data Clock

Serial Data Input

Serial Data Output

Ground

GND

8-lead SOIC

GND

VCC

HOLD

SCK

Power Supply

Write Protect

GND

HOLD

Suspends Serial Input

Rev. 0606M–SEEPR–06/03

12 3 4 5 6 7...17

中文翻译

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