Datasheet > AT34C02D-SSHM-T

AT34C02D-SSHM-T

更新时间： 2024-01-20 03:35:39

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时钟光电二极管内存集成电路
页数	文件大小	规格书
25页	767K
描述
EEPROM, 256X8, Serial, CMOS, PDSO8, 0.150 INCH, GREEN, PLASTIC, MS-012AA, SOIC-8

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技术参数
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AT34C02D-SSHM-T 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	包装说明：	SOIC-8
Reach Compliance Code：	compliant	Factory Lead Time：	7 weeks
风险等级：	1.56	最大时钟频率 (fCLK)：	1 MHz
JESD-30 代码：	R-PDSO-G8	JESD-609代码：	e4
长度：	4.925 mm	内存密度：	2048 bit
内存集成电路类型：	EEPROM	内存宽度：	8
湿度敏感等级：	3	功能数量：	1
端子数量：	8	字数：	256 words
字数代码：	256	工作模式：	SYNCHRONOUS
最高工作温度：	85 °C	最低工作温度：	-40 °C
组织：	256X8	封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	并行/串行：	SERIAL
峰值回流温度（摄氏度）：	260	座面最大高度：	1.75 mm
串行总线类型：	I2C	最大供电电压 (Vsup)：	5.5 V
最小供电电压 (Vsup)：	1.7 V	标称供电电压 (Vsup)：	2.5 V
表面贴装：	YES	技术：	CMOS
温度等级：	INDUSTRIAL	端子面层：	Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：	GULL WING	端子节距：	1.27 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	40
宽度：	3.9 mm	最长写入周期时间 (tWC)：	5 ms

AT34C02D-SSHM-T 数据手册

Atmel AT34C02D

I²C-compatible (2-wire) Serial EEPROM with Permanent

and Reversible Software Write Protection

2K (256 x 8)

DATASHEET

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

 Low-voltage and standard-voltage operation

 V_CC= 1.7V to 5.5V

 Internally organized 256 x 8

 2-wire serial interface

 Schmitt Trigger, filtered inputs for noise suppression

 Bidirectional data transfer protocol

 400kHz (1.7V) and 1MHz (2.5V and 5.0V) compatibility

 16-byte page write modes

 Partial page writes are allowed

 Self-timed write cycle (5ms max)

 High-reliability

 Endurance: 1 million write cycles

 Data retention: 100 years

 8-lead JEDEC SOIC, 8-lead TSSOP, 8-lead UDFN (MLP 2x3), and

8-ball VFBGA packages

 Die sales: wafer form, tape and reel, and bumped wafers

Description

The Atmel^®AT34C02D 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 command 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 hardware write protection is controlled by the WP pin state and can be

used to protect the entire array regardless of whether or not the software write

protection has been enabled. The software and hardware write protection features

allow the user the flexibility to protect none, first-half, or the entire memory array

depending on the specific needs of the application. The device is optimized for use in

many industrial and commercial applications where low-power and low-voltage

operations are essential. The AT34C02D is available in space saving 8-lead JEDEC

SOIC, 8-lead TSSOP, 8-lead UDFN (MLP 2x3), and 8-ball VFBGA packages and is

accessed via an I²C-compatible 2-wire serial interface. The AT34C02D operates over a

wide V_CCrange, from 1.7V to 5.5V.

8781B–SEEPR–6/12

12 3 4 5 6 7...25

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与AT34C02D-SSHM-T相关器件

型号	品牌	获取价格	描述	数据表
AT34C02D-XHM-B	MICROCHIP	获取价格	IC EEPROM 2KBIT 1MHZ 8TSSOP
AT34C02D-XHM-T	MICROCHIP	获取价格	IC EEPROM 2KBIT 1MHZ 8TSSOP
AT34C02D-XHM-T	ATMEL	获取价格	EEPROM, 256X8, Serial, CMOS, PDSO8, 4.40 MM, GREEN, PLASTIC, MO-153AA, TSSOP-8
AT34C02N-10SC	ATMEL	获取价格	2-Wire Serial EEPROM with Permanent Software Write Protect
AT34C02N-10SC-1.8	ATMEL	获取价格	2-Wire Serial EEPROM with Permanent Software Write Protect
AT34C02N-10SC-2.7	ATMEL	获取价格	2-Wire Serial EEPROM with Permanent Software Write Protect
AT34C02N-10SE-2.7	ATMEL	获取价格	Two-wire Serial EEPROM with Permanent Software Write Protect
AT34C02N-10SI	ATMEL	获取价格	2-Wire Serial EEPROM with Permanent Software Write Protect
AT34C02N-10SI-1.8	ATMEL	获取价格	2-Wire Serial EEPROM with Permanent Software Write Protect
AT34C02N-10SI-2.7	ATMEL	获取价格	2-Wire Serial EEPROM with Permanent Software Write Protect

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