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AT89LP428-20AU

AT89LP428-20AU

AT89LP428-20AU

Microchip Technology

4KB 4K x 8 FLASH 8051 8-Bit Microcontroller 89LP Series AT89LP428 32 Pin 20MHz 5V 32-TQFP

SOT-23

AT89LP428-20AU Datasheet

non-compliant

In-Stock: 0 items
Specifications
Name Value
Type Parameter
Factory Lead Time 7 Weeks
Lifecycle Status Production (Last Updated: 2 years ago)
Contact Plating Tin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 32-TQFP
Surface Mount YES
Number of Pins 32
Supplier Device Package 32-TQFP (7x7)
Number of Terminals 32
Mounting Style SMD/SMT
Interfaces 2-Wire/SPI
Data Converters --
Number of I/Os 30 I/O
Maximum Operating Temperature + 85 C
Minimum Operating Temperature - 40 C
Interface Type SPI, UART
Manufacturer Microchip
Brand Microchip Technology
RoHS Details
Package Tray
Base Product Number AT89LP428
Mfr Microchip Technology
Product Status Active
Package Shape SQUARE
Number of I/O Lines 30
Operating Temperature -40°C~85°C TA
Packaging Tray
Series 89LP
Published 2009
JESD-609 Code e3
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 32
Terminal Finish Matte Tin (Sn) - annealed
Max Operating Temperature 85 °C
Min Operating Temperature -40 °C
Terminal Position QUAD
Terminal Form GULL WING
Supply Voltage 5V
Terminal Pitch 0.8mm
Reach Compliance Code compliant
Frequency 20MHz
Base Part Number AT89LP428
JESD-30 Code S-PQFP-G32
Qualification Status Not Qualified
Supply Voltage-Max (Vsup) 5.5V
Power Supplies 2.5/5V
Temperature Grade INDUSTRIAL
Supply Voltage-Min (Vsup) 2.4V
Interface 2-Wire, SPI, UART, USART
Max Supply Voltage 5.5 V
Min Supply Voltage 2.4 V
Memory Size 4kB
Oscillator Type Internal
Number of I/O 30
Speed 20MHz
RAM Size 768 x 8
Memory Type FLASH
Voltage - Supply (Vcc/Vdd) 2.4V~5.5V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER
Core Processor 8051
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Program Memory Type FLASH
Core Size 8-Bit
Program Memory Size 4KB 4K x 8
Connectivity SPI, UART/USART
Supply Current-Max 10 mA
Bit Size 8
Watchdog Timer Yes
Has ADC NO
DMA Channels NO
Data Bus Width 8b
PWM Channels YES
DAC Channels NO
Seated Height-Max 1.2 mm
Number of Timers/Counters 3
Product Type 8-bit Microcontrollers - MCU
ROM (words) 4096
Core Architecture 8051
EEPROM Size 512 x 8
CPU Family 8051
Max Frequency 20 MHz
External Data Bus Width 8
Number of Programmable I/O 30
RAM (bytes) 768
ROM Programmability FLASH
Product Category 8-bit Microcontrollers - MCU
Device Core 8051
Length 7mm
Height Seated (Max) 1.2mm
Width 7 mm
RoHS Status ROHS3 Compliant
Pricing & Ordering
Quantity Unit Price Ext. Price
1 $0.92000 $0.92
25 $0.84520 $21.13
100 $0.76500 $76.5
AT89LP428-20AU Product Details

AT89LP428-20AU Overview


Packaged in a 32-TQFP format. A total of 30 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 89LP series electrical component is used in this application. This program has a program memory of 4KB 4K x 8 bytes, which is the size of the program. With a 8051 Core Processor, Microcontroller is fast and efficient. ICs for MICROCONTROLLER uPs/uCs/peripheral parts. There are 32 terminations on the IC chip, which means there are 32 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 4kB memory size assigned to the part. Alternatives can be found by searching through the base part number AT89LP428 to find them. At a frequency of 20MHz, Microcontroller can operate efficiently. This MCU Chip uses YES PWM channels to operate. Chips have 32 pins. There are 3 timers/counters in this device. The 8051 CPU family is embedded in the device, so it can handle a wide range of operations. The equipment has a FLASH memory that is built in. It is equipped with a 8051 core architecture which is integrated into it. In the 30 Programmable I/O section, it can be programmed in many different ways.

AT89LP428-20AU Features


32-TQFP package
Mounting type of Surface Mount
Minimum temperature of -40 °C


AT89LP428-20AU Applications


There are a lot of Microchip Technology
AT89LP428-20AU Microcontroller applications.


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

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