Datasheet > AT25020B-MAHL-E

AT25020B-MAHL-E

更新时间： 2024-11-11 03:20:27

品牌	Logo	应用领域
美国微芯 - MICROCHIP		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光电二极管
页数	文件大小	规格书
23页	783K
描述
EEPROM, 256X8, Serial, CMOS, PDSO8, 2 X 3 MM, 0.60 MM HEIGHT, 0.50 MM PITCH, GREEN, PLASTIC, MO-229, UDFN-8

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数据手册

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AT25020B-MAHL-E 数据手册

AT25010B, AT25020B, AT25040B

SPI Serial EEPROM

1K (128x8), 2K (256x8), 4K (512x8)

DATASHEET

Features

 Serial Peripheral Interface (SPI) Compatible

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

Data Sheet Describes Mode 0 Operation

 Low-voltage and Standard-voltage Operation

V_CC= 1.8V to 5.5V

 20MHz 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 (5ms max)

 High Reliability

Endurance: 1,000,000 Write Cycles

Data Retention: 100 Years

 Green (Pb/Halogen-free/RoHS Compliant) Packaging Options

 Die Sales: Wafer Form, Waffle Pack, and Bumped Wafers

Description

The Atmel^®AT25010B/020B/040B provides 1,024/2,048/4,096 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 applications where low-power and low-voltage

operation are essential. The AT25010B/020B/040B is available in space saving,

JEDEC SOIC, UDFN, TSSOP, XDFN, and VFBGA packages.

The AT25010B/020B/040B 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 separate 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

instructions 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.

Atmel-8707F-SEEPROM-AT25010B-020B-040B-Datasheet_012015

12 3 4 5 6 7...23

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