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AT28HC256E-12JU-T PDF预览

AT28HC256E-12JU-T

更新时间： 2024-01-26 13:52:02
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内存集成电路
页数 文件大小 规格书
24页 465K
描述
EEPROM, 32KX8, 120ns, Parallel, CMOS, PQCC32

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AT28HC256E-12JU-T 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：LCC-32Reach Compliance Code：compliant
Factory Lead Time：14 weeks风险等级：1.54
最长访问时间：120 nsJESD-30 代码：R-PQCC-J32
长度：13.97 mm内存密度：262144 bit
内存集成电路类型：EEPROM内存宽度：8
功能数量：1端子数量：32
字数：32768 words字数代码：32000
工作模式：ASYNCHRONOUS最高工作温度：85 °C
最低工作温度：-40 °C组织：32KX8
封装主体材料：PLASTIC/EPOXY封装代码：QCCJ
封装形状：RECTANGULAR封装形式：CHIP CARRIER
并行/串行：PARALLEL峰值回流温度（摄氏度）：NOT SPECIFIED
编程电压：5 V座面最大高度：3.556 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：INDUSTRIAL
端子形式：J BEND端子节距：1.27 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：11.43 mm

AT28HC256E-12JU-T 数据手册

 浏览型号AT28HC256E-12JU-T的Datasheet PDF文件第2页浏览型号AT28HC256E-12JU-T的Datasheet PDF文件第3页浏览型号AT28HC256E-12JU-T的Datasheet PDF文件第4页浏览型号AT28HC256E-12JU-T的Datasheet PDF文件第5页浏览型号AT28HC256E-12JU-T的Datasheet PDF文件第6页浏览型号AT28HC256E-12JU-T的Datasheet PDF文件第7页 
Features  
• Fast Read Access Time – 70 ns  
• Automatic Page Write Operation  
– Internal Address and Data Latches for 64 Bytes  
– Internal Control Timer  
• Fast Write Cycle Times  
– Page Write Cycle Time: 3 ms or 10 ms Maximum  
– 1 to 64-byte Page Write Operation  
• Low Power Dissipation  
256K (32K x 8)  
High-speed  
Parallel  
– 80 mA Active Current  
– 3 mA Standby Current  
• Hardware and Software Data Protection  
• DATA Polling for End of Write Detection  
• High Reliability CMOS Technology  
– Endurance: 104 or 105 Cycles  
– Data Retention: 10 Years  
EEPROM  
• Single 5V 10% Supply  
• CMOS and TTL Compatible Inputs and Outputs  
• JEDEC Approved Byte-wide Pinout  
• Full Military and Industrial Temperature Ranges  
• Green (Pb/Halide-free) Packaging Option  
AT28HC256  
1. Description  
The AT28HC256 is a high-performance electrically erasable and programmable read-  
only memory. Its 256K of memory is organized as 32,768 words by 8 bits. Manufac-  
tured with Atmel’s advanced nonvolatile CMOS technology, the AT28HC256 offers  
access times to 70 ns with power dissipation of just 440 mW. When the AT28HC256  
is deselected, the standby current is less than 5 mA.  
The AT28HC256 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 address and 1 to 64  
bytes of data are internally latched, freeing the addresses and data bus for other oper-  
ations. 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 28HC256 has additional features to ensure high quality and manufacturability.  
The device utilizes internal error correction for extended endurance and improved  
data retention characteristics. An optional software data protection mechanism is  
available to guard against inadvertent writes. The device also includes an extra  
64 bytes of EEPROM for device identification or tracking.  
0007N–PEEPR–9/09  
1234567...24

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与AT28HC256E-12JU-T相关器件

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 		EEPROM, 32KX8, 120ns, Parallel, CMOS, CQCC32
AT28HC256E-12LL ATMEL

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 		EEPROM, 32KX8, 120ns, Parallel, CMOS, CQCC32
AT28HC256E-12LM/883 ATMEL

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 		256 32K x 8 High Speed Parallel EEPROMs
AT28HC256E-12LM/883 MICROCHIP

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 		IC EEPROM 256KBIT 120NS 32CLCC
AT28HC256E-12PC ATMEL

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 		256 32K x 8 High Speed Parallel EEPROMs
AT28HC256E-12PI ATMEL

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 		256 32K x 8 High Speed Parallel EEPROMs
AT28HC256E-12PJ ATMEL

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 		EEPROM, 32KX8, 120ns, Parallel, CMOS, PDIP28, 0.600 INCH, PLASTIC, MS-001AB, DIP-28
AT28HC256E-12PL ATMEL

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 		EEPROM, 32KX8, 120ns, Parallel, CMOS, PDIP28, 0.600 INCH, PLASTIC, MS-011AB, DIP-28
AT28HC256E-12SC ATMEL

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 		256 32K x 8 High Speed Parallel EEPROMs
AT28HC256E-12SCT/R ATMEL

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 		EEPROM, 32KX8, 120ns, Parallel, CMOS, PDSO28, 0.300 INCH, PLASTIC, SOIC-28

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