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UPD754244GS-XXX-BA5-A

更新时间： 2024-10-14 15:56:11
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日电电子 - NEC 时钟微控制器ISM频段光电二极管外围集成电路
页数 文件大小 规格书
88页 753K
描述
Microcontroller, 4-Bit, MROM, 6MHz, MOS, PDSO20, 0.300 INCH, LEAD FREE, PLASTIC, SOP-20

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UPD754244GS-XXX-BA5-A 技术参数

是否Rohs认证：符合生命周期：Obsolete
包装说明：0.300 INCH, LEAD FREE, PLASTIC, SOP-20Reach Compliance Code：compliant
风险等级：5.8Is Samacsys：N
具有ADC：NO地址总线宽度：
位大小：4最大时钟频率：6 MHz
DAC 通道：NODMA 通道：NO
外部数据总线宽度：JESD-30 代码：R-PDSO-G20
JESD-609代码：e3/e6长度：12.7 mm
I/O 线路数量：13端子数量：20
最高工作温度：85 °C最低工作温度：-40 °C
PWM 通道：YES封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：260
认证状态：Not QualifiedROM可编程性：MROM
座面最大高度：1.8 mm速度：6 MHz
最大供电电压：6 V最小供电电压：1.8 V
表面贴装：YES技术：MOS
温度等级：INDUSTRIAL端子面层：MATTE TIN/TIN BISMUTH
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：10
宽度：5.6 mmuPs/uCs/外围集成电路类型：MICROCONTROLLER
Base Number Matches：1

UPD754244GS-XXX-BA5-A 数据手册

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DATA SHEET  
MOS INTEGRATED CIRCUIT  
µPD754144, 754244  
4-BIT SINGLE-CHIP MICROCONTROLLERS  
DESCRIPTION  
The µPD754244 is a 4-bit single-chip microcontroller which incorporates the EEPROMTM for key-less entry  
application.  
It incorporates a 16 × 8-bit EEPROM, a 4-Kbyte mask ROM to store software, a 128 × 4-bit RAM to store the  
processing data, a processing CPU, and a carrier generator which easily outputs waveforms for infrared remote  
controller.  
The details of functions are described in the following user’s manual. Be sure to read it before designing.  
µPD754144, 754244 User’s Manual: U10676E  
FEATURES  
• On-chip EEPROM: 16 × 8 bits (mapped to the data memory)  
• On-chip key return reset function for key-less entry  
• System clock oscillation circuit  
• µPD754144: RC oscillator (external resistor and capacitor)  
• µPD754244: Crystal/ceramic oscillator  
• Low-voltage operation: VDD = 1.8 to 6.0 V  
• Timer function (4 channels)  
• Basic interval timer/watchdog timer: 1 channel  
• 8-bit timer counter  
• On-chip memory  
: 3 channels  
• Program memory (ROM)  
4096 × 8 bits  
• Data memory (static RAM)  
128 × 4 bits  
• Instruction execution time variable function suited for power saving.  
• µPD754144:  
4, 8, 16, 64 µs (at fcc = 1.0-MHz operation)  
• µPD754244:  
0.95, 1.91, 3.81, 15.3 µs (at fx = 4.19-MHz operation)  
0.67, 1.33, 2.67, 10.7 µs (at fx = 6.0-MHz operation)  
APPLICATIONS  
Automotive appliances such as key-less entry, compact data carrier, etc.  
Unless contextually excluded, references in this data sheet to the µPD754244 (crystal/ceramic oscillation: fX)  
mean the µPD754144.  
The µPD754144 and µPD754244 differ in the notation of their RC oscillation: whenever fX (RC oscillation notation  
for µPD754244) is described, fCC should be substituted for the µPD754144.  
The information in this document is subject to change without notice. Before using this document, please  
confirm that this is the latest version.  
Not all products and/or types are available in every country. Please check with an NEC Electronics  
sales representative for availability and additional information.  
Document No. U10040EJ2V1DS00 (2nd edition)  
Date Published August 2005 N CP(K)  
Printed in Japan  
The mark  
shows major revised points.  
1995  
1234567...88

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 		4-BIT, MROM, 6MHz, MICROCONTROLLER, PDSO20, 0.300 INCH, 1.27 MM PITCH, LEAD FREE, PLASTIC,
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