Datasheet > AT25128A_05

AT25128A_05

更新时间： 2024-11-20 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
21页	438K
描述
SPI Serial EEPROMs

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中文翻译

获取价格

数据手册

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AT25128A_05 数据手册

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

– 2.7 (V_CC= 2.7V to 5.5V)

– 1.8 (V_CC= 1.8V to 5.5V)

• 20 MHz Clock Rate (5V)

• 64-byte Page Mode and Byte Write Operation

• 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 (5 ms Max)

• High-reliability

– Endurance: 1 Million Write Cycles

– Data Retention: >100 Years

• Automotive Grade, Extended Temperature and Lead-free/Halogen-free

Devices Available

SPI Serial

EEPROMs

128K (16,384 x 8)

256K (32,768 x 8)

• 8-lead PDIP, 8-lead EIAJ SOIC, 8-lead JEDEC SOIC, 8-lead TSSOP, 8-ball dBGA2 and

8-lead SAP Packages

• Die Sales: Wafer Form, Waffle Pack, and Bumped Die

AT25128A

AT25256A

Description

The AT25128A/256A provides 131,072/262,144 bits of serial electrically-erasable

programmable read only memory (EEPROM) organized as 16,384/32,768 words of

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

cations where low-power and low-voltage operation are essential. The devices are

available in space saving 8-lead PDIP, 8-lead EIAJ SOIC, 8-lead JEDEC SOIC, 8-

lead TSSOP, 8-ball dBGA2 and 8-lead SAP packages. In addition, the entire family is

available in 2.7V (2.7V to 5.5V) and 1.8V (1.8V to 5.5V) versions.

The AT25128A/256A 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.

8-lead SOIC

8-lead PDIP

Table 1. Pin Configurations

VCC

HOLD

SCK

VCC

HOLD

SCK

Pin Name

Function

GND

Chip Select

SCK

Serial Data Clock

Serial Data Input

Serial Data Output

Ground

8-lead SAP

8-lead TSSOP

VCC

HOLD

SCK

HOLD

SCK

GND

VCC

GND

Bottom View

8-ball dBGA2

Power Supply

Write Protect

Suspends Serial Input

No Connect

VCC

HOLD

SCK

GND

HOLD

Bottom View

3368H–SEEPR–8/05

12 3 4 5 6 7...21

中文翻译

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与AT25128A_05相关器件

型号	品牌	获取价格	描述	数据表
AT25128A_07	ATMEL	获取价格	SPI Automotive Temperature Serial EEPROMs
AT25128A-10PA-2.7C	ATMEL	获取价格	EEPROM, 16KX8, Serial, CMOS, PDIP8, 0.300 INCH, PLASTIC, MS-001BA, DIP-8
AT25128A-10PA-5.0C	ATMEL	获取价格	EEPROM, 16KX8, Serial, CMOS, PDIP8, 0.300 INCH, PLASTIC, MS-001BA, DIP-8
AT25128A-10PE-2.7	ATMEL	获取价格	SPI Serial Extended Temperature EEPROMs
AT25128A-10PI-1.8	ATMEL	获取价格	SPI Serial EEPROMs
AT25128A-10PI-2.7	ATMEL	获取价格	SPI Serial EEPROMs
AT25128A-10PN-2.7	ATMEL	获取价格	EEPROM, 16KX8, Serial, CMOS, PDIP8, 0.300 INCH, PLASTIC, MS-001BA, DIP-8
AT25128A-10PQ-2.7	ATMEL	获取价格	SPI Serial Extended Temperature EEPROMs
AT25128A-10PU-1.8	ATMEL	获取价格	SPI Serial EEPROMs
AT25128A-10PU-2.7	ATMEL	获取价格	SPI Serial EEPROMs

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