Datasheet > AT28HC64B-70SL

AT28HC64B-70SL

更新时间： 2024-11-16 20:42:39

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光电二极管内存集成电路
页数	文件大小	规格书
19页	306K
描述
EEPROM, 8KX8, 70ns, Parallel, CMOS, PDSO28, 0.300 INCH, PLASTIC, MS-013, SOIC-28

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中文翻译

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技术参数
数据手册

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AT28HC64B-70SL 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	SOIC	包装说明：	SOP,
针数：	28	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.32.00.51
风险等级：	5.64	最长访问时间：	70 ns
其他特性：	100K ENDURANCE CYCLES; 10 YEARS DATA RETENTION; AUTOMATIC PAGE WRITE	数据保留时间-最小值：	10
耐久性：	100000 Write/Erase Cycles	JESD-30 代码：	R-PDSO-G28
JESD-609代码：	e3	长度：	17.9 mm
内存密度：	65536 bit	内存集成电路类型：	EEPROM
内存宽度：	8	湿度敏感等级：	1
功能数量：	1	端子数量：	28
字数：	8192 words	字数代码：	8000
工作模式：	ASYNCHRONOUS	最高工作温度：	70 °C
最低工作温度：		组织：	8KX8
输出特性：	3-STATE	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：	PARALLEL
峰值回流温度（摄氏度）：	260	编程电压：	5 V
认证状态：	Not Qualified	座面最大高度：	2.65 mm
最大供电电压 (Vsup)：	5.5 V	最小供电电压 (Vsup)：	4.5 V
标称供电电压 (Vsup)：	5 V	表面贴装：	YES
技术：	CMOS	温度等级：	COMMERCIAL
端子面层：	Matte Tin (Sn)	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：	7.5 mm
最长写入周期时间 (tWC)：	10 ms	Base Number Matches：	1

AT28HC64B-70SL 数据手册

Features

• Fast Read Access Time – 55 ns

• Automatic Page Write Operation

– Internal Address and Data Latches for 64 Bytes

• Fast Write Cycle Times

– Page Write Cycle Time: 10 ms Maximum (Standard)

2 ms Maximum (Option)

– 1 to 64-byte Page Write Operation

• Low Power Dissipation

64K (8K x 8)

High Speed

Parallel

– 40 mA Active Current

– 100 µA CMOS Standby Current

• Hardware and Software Data Protection

• DATA Polling and Toggle Bit for End of Write Detection

• High Reliability CMOS Technology

– Endurance: 100,000 Cycles

EEPROM with

Page Write and

Software Data

Protection

– Data Retention: 10 Years

• Single 5 V 10% Supply

• CMOS and TTL Compatible Inputs and Outputs

• JEDEC Approved Byte-wide Pinout

• Commercial and Industrial Temperature Ranges

• Green (Pb/Halide-free) Packaging Option

1. Description

AT28HC64B

The AT28HC64B is a high-performance electrically-erasable and programmable read-

only memory (EEPROM). Its 64K of memory is organized as 8,192 words by 8 bits.

Manufactured with Atmel’s advanced nonvolatile CMOS technology, the device offers

access times to 55 ns with power dissipation of just 220 mW. When the device is

deselected, the CMOS standby current is less than 100 µA.

The AT28HC64B is accessed like a Static RAM for the read or write cycle without the

need for external components. The device contains a 64-byte page register to allow

writing of up to 64 bytes simultaneously. During a write cycle, the addresses and 1 to

64 bytes of data are internally latched, freeing the address and data bus for other

operations. Following the initiation of a write cycle, the device will automatically write

the latched data using an internal control timer. The end of a write cycle can be

detected by DATA polling of I/O7. Once the end of a write cycle has been detected, a

new access for a read or write can begin.

Atmel’s AT28HC64B has additional features to ensure high quality and manufactura-

bility. The device utilizes internal error correction for extended endurance and

improved data retention characteristics. An optional software data protection mecha-

nism is available to guard against inadvertent writes. The device also includes an

extra 64 bytes of EEPROM for device identification or tracking.

0274H–PEEPR–4/05

12 3 4 5 6 7...19

中文翻译

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与AT28HC64B-70SL相关器件

型号	品牌	获取价格	描述	数据表
AT28HC64B-70SLT/R	ATMEL	获取价格	EEPROM, 8KX8, 70ns, Parallel, CMOS, PDSO28, 0.300 INCH, PLASTIC, SOIC-28
AT28HC64B-70SU	MICROCHIP	获取价格	IC EEPROM 64KBIT 70NS 28SOIC
AT28HC64B-70SU	ATMEL	获取价格	64K (8K x 8) High-speed Parallel EEPROM with Page Write and Software Data Protection
AT28HC64B-70SU-235	MICROCHIP	获取价格	EEPROM, 8KX8, 70ns, Parallel, CMOS, PDSO28
AT28HC64B-70SU-T	MICROCHIP	获取价格	IC EEPROM 64KBIT 70NS 28SOIC
AT28HC64B-70TC	ATMEL	获取价格	64K 8K x 8 High Speed CMOS E2PROM with Page Write and Software Data Protection
AT28HC64B-70TCT/R	ATMEL	获取价格	EEPROM, 8KX8, 70ns, Parallel, CMOS, PDSO28, PLASTIC, TSOP-28
AT28HC64B-70TI	ATMEL	获取价格	64K 8K x 8 High Speed CMOS E2PROM with Page Write and Software Data Protection
AT28HC64B-70TIT/R	ATMEL	获取价格	EEPROM, 8KX8, 70ns, Parallel, CMOS, PDSO28, PLASTIC, TSOP-28
AT28HC64B-70TJ	ATMEL	获取价格	EEPROM, 8KX8, 70ns, Parallel, CMOS, PDSO28, 8 X 13.40 MM, PLASTIC, MO-183, TSOP1-28

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