Datasheet > AT25040A-W1.8-11

AT25040A-W1.8-11

更新时间： 2024-11-19 03:18:07

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
22页	571K
描述
SPI Serial EEPROM

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中文翻译

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技术参数
数据手册

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AT25040A-W1.8-11 技术参数

生命周期：	Obsolete	零件包装代码：	DIE
包装说明：	DIE,	Reach Compliance Code：	unknown
ECCN代码：	EAR99	HTS代码：	8542.32.00.51
风险等级：	5.82	最大时钟频率 (fCLK)：	20 MHz
JESD-30 代码：	R-XUUC-N	内存密度：	4096 bit
内存集成电路类型：	EEPROM	内存宽度：	8
功能数量：	1	字数：	512 words
字数代码：	512	工作模式：	SYNCHRONOUS
最高工作温度：	85 °C	最低工作温度：	-40 °C
组织：	512X8	封装主体材料：	UNSPECIFIED
封装代码：	DIE	封装形状：	RECTANGULAR
封装形式：	UNCASED CHIP	并行/串行：	SERIAL
认证状态：	Not Qualified	串行总线类型：	SPI
最大供电电压 (Vsup)：	5.5 V	最小供电电压 (Vsup)：	1.8 V
标称供电电压 (Vsup)：	2.7 V	表面贴装：	YES
技术：	CMOS	温度等级：	INDUSTRIAL
端子形式：	NO LEAD	端子位置：	UPPER
最长写入周期时间 (tWC)：	5 ms

AT25040A-W1.8-11 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)

• 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 (5 ms max)

• High Reliability

– Endurance: One Million Write Cycles

– Data Retention: 100 Years

• Automotive Devices Available

• 8-lead JEDEC PDIP, 8-lead JEDEC SOIC, 8-lead Ultra Thin mini-MAP (MLP 2x3) and 8-

lead TSSOP Packages

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

SPI Serial

EEPROM

1K (128x8)

2K (256x8)

4K (512x8)

Description

AT25010A

AT25020A

AT25040A

The AT25010A/020A/040A provides 1024/2048/4096 bits of serial electrically eras-

able 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 appli-

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

AT25010A/020A/040A is available in space saving 8-lead PDIP, 8-lead JEDEC SOIC,

8-lead Ultra Thin mini-MAP (MLP 2x3), and 8-lead TSSOP packages.

The AT25010A/020A/040A is enabled through the Chip Select pin (CS) and accessed

via a three-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.

Table 1. Pin Configuration

8-lead SOIC

8-lead PDIP

Pin Name

Function

VCC

HOLD

SCK

C S

S O

V C C

H O L

S C K

S I

Chip Select

SCK

Serial Data Clock

Serial Data Input

Serial Data Output

Ground

GND

G N D

8-lead Ultra Thin mini-MAP (MLP 2x3)

8-lead TSSOP

GND

VCC

VCC 8

HOLD 7

SCK 6

SI 5

1 CS

C S

S O

V C C

H O L

S C K

S I

2 SO

3 WP

4 GND

Power Supply

Write Protect

G N D

HOLD

Suspends Serial Input

Bottom view

3348J–SEEPR–8/06

12 3 4 5 6 7...22

中文翻译

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与AT25040A-W1.8-11相关器件

型号	品牌	获取价格	描述	数据表
AT25040AY1-10YI-1.8	ATMEL	获取价格	EEPROM, 512X8, Serial, CMOS, 4.90 X 3 MM, MAP-8
AT25040AY1-10YI-2.7	ATMEL	获取价格	EEPROM, 512X8, Serial, CMOS, 4.90 X 3 MM, MAP-8
AT25040AY1-10YU-1.8	ATMEL	获取价格	SPI Serial EEPROM
AT25040AY1-10YU-2.7	ATMEL	获取价格	EEPROM, 512X8, Serial
AT25040AY6-10YH-1.8	ATMEL	获取价格	SPI Serial EEPROM
AT25040B	ATMEL	获取价格	f serial electrically erasable able programmable read-only memory
AT25040B	MICROCHIP	获取价格	The Microchip AT25040B is a 4 Kb Serial EEPROM utilizing theindustry standard Serial Perip
AT25040B_14	ATMEL	获取价格	SPI Serial EEPROM
AT25040B-CUL-T	MICROCHIP	获取价格	EEPROM, 512X8, Serial, CMOS, PBGA8, 1.50 X 2 MM, 0.50 MM PITCH, GREEN, VFBGA-8
AT25040B-MAHL-E	MICROCHIP	获取价格	EEPROM, 512X8, Serial, CMOS, PDSO8, 2 X 3 MM, 0.60 MM HEIGHT, 0.50 MM PITCH, GREEN, PLASTI

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