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W78IRD2A25PL

W78IRD2A25PL

W78IRD2A25PL

Nuvoton Technology Corporation of America

64KB 64K x 8 FLASH 80C52 8-Bit Microcontroller W78 Series 25MHz 5V 44-LCC (J-Lead)

SOT-23

W78IRD2A25PL Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 8 Weeks
Mounting Type Surface Mount
Package / Case 44-LCC (J-Lead)
Surface MountYES
Operating Temperature-40°C~85°C TA
PackagingTube
Series W78
Published 2013
JESD-609 Code e3
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 44
Terminal Finish MATTE TIN
HTS Code8542.31.00.01
Terminal Position QUAD
Terminal FormJ BEND
Peak Reflow Temperature (Cel) 245
Supply Voltage 5V
Terminal Pitch1.27mm
Frequency 25MHz
Time@Peak Reflow Temperature-Max (s) 40
Pin Count44
JESD-30 Code S-PQCC-J44
Qualification StatusNot Qualified
Supply Voltage-Max (Vsup) 5.5V
Power Supplies3/5V
Supply Voltage-Min (Vsup) 2.7V
Interface EBI/EMI, UART, USART
Memory Size64kB
Oscillator TypeInternal
Number of I/O 36
Speed 20 MHz
RAM Size 1.25K x 8
Voltage - Supply (Vcc/Vdd) 4.5V~5.5V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER
Core Processor 80C52
Peripherals POR, PWM, WDT
Program Memory TypeFLASH
Core Size 8-Bit
Program Memory Size 64KB 64K x 8
Connectivity EBI/EMI, UART/USART
Supply Current-Max 20mA
Bit Size 8
Has ADC NO
DMA Channels NO
PWM Channels YES
DAC Channels NO
Address Bus Width16
CPU Family 8051
External Data Bus Width 16
RAM (bytes) 1280
Length 16.585mm
Height Seated (Max) 4.699mm
Width 16.585mm
RoHS StatusROHS3 Compliant
In-Stock:1924 items

Pricing & Ordering

QuantityUnit PriceExt. Price
120$4.49567$539.4804

W78IRD2A25PL Product Details

W78IRD2A25PL Overview


Packaged in a 44-LCC (J-Lead) format. A total of 36 I/Os are on the Microcontroller. Surface Mount is the mounting type of the Microcontroller that is attached to the panel. This Microcontroller is based on a core called 8-Bit. The type of its program memory is FLASH. In this Microcontroller, temperature is controlled within the range -40°C~85°C TA. A W78 series electrical component is used in this application. This program has a program memory of 64KB 64K x 8 bytes, which is the size of the program. With a 80C52 Core Processor, Microcontroller is fast and efficient. ICs for MICROCONTROLLER uPs/uCs/peripheral parts. There are 44 terminations on the IC chip, which means there are 44 terminations on the integrated circuit chip. In addition, MCU chip comes with a 8-bit size. Microcontroller chip has outputs of 5V volts. The system has NO channels for DMA communication. There is 64kB memory size assigned to the part. At a frequency of 25MHz, Microcontroller can operate efficiently. This MCU Chip uses YES PWM channels to operate. In total, it has 44 pins. The 8051 CPU family is embedded in the device, so it can handle a wide range of operations.

W78IRD2A25PL Features


44-LCC (J-Lead) package
Mounting type of Surface Mount


W78IRD2A25PL Applications


There are a lot of Nuvoton Technology Corporation of America
W78IRD2A25PL Microcontroller applications.


  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine
  • Microwave ovens
  • Home appliances

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