AT89LP51 & AT89LP52 8-Bit Microcontrollers

Microchip Technology AT89LP51 and AT89LP52 8-Bit Microcontrollers are low-power, high-performance CMOS MCUs with 4K/8K bytes of In-System Programmable Flash program memory and 256 bytes of Flash data memory. These devices also offer 256 bytes of RAM, up to 36 I/O lines, three 16-bit timer/counters, a programmable watchdog timer, a full-duplex serial port, an on-chip crystal oscillator, an internal 1.8432 MHz auxiliary oscillator, and a four-level, six-vector interrupt system.

Mga Resulta: 29
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Dami RoHS ECAD Model Core
Laki ng Memory ng Program
Laki ng Data RAM
Package / Case
Maximum na Clock Frequency
Resolusyon ng ADC
Dami ng I/O
Supply Voltage - Min
Supply Voltage - Max
Isitilo ng Mounting
Lapad ng Data Bus
Minimum na Operating Temperature
Maximum na Operating Temperature
Packaging

Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
297May Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B LQFP-44 20 MHz 10 bit 36 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL
Datasheet
404May Stock
Min.: 1
Mult.: 1

8051 4 kB 256 B PLCC-44 20 MHz No ADC 36 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
360May Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B VQFN-44 20 MHz 10 bit 36 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU Sngle-Cycle 8051 32K ISP Flsh,2.4-5.5V
Datasheet
294May Stock
Min.: 1
Mult.: 1

8051 32 kB 256 B LQFP-44 20 MHz 10 bit 40 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
3,248May Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B PLCC-44 20 MHz 10 bit 40 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tube

Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 805124K ISP Flash,2.4-5.5V
Datasheet
738May Stock
Min.: 1
Mult.: 1

8051 24 kB 256 B PLCC-44 20 MHz 10 bit 40 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tube

Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 805132K ISP Flash,2.4-5.5V
Datasheet
530May Stock
Min.: 1
Mult.: 1

8051 32 kB 256 B PLCC-44 20 MHz 10 bit 40 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU
Datasheet
2,834May Stock
Min.: 1
Mult.: 1

8051 8 kB 256 B TQFP-44 20 MHz No ADC 36 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
676May Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B LQFP-44 20 MHz 10 bit 36 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 805132K ISP Flash,2.4-5.5V
Datasheet
593May Stock
Min.: 1
Mult.: 1

8051 32 kB 256 B TQFP-44 20 MHz 10 bit 40 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
972May Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B TQFP-44 20 MHz 10 bit 40 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL
Datasheet
130May Stock
480Inaasahan 10/23/2026
Min.: 1
Mult.: 1

8051 4 kB 256 B TQFP-44 20 MHz No ADC 36 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
193May Stock
85Inaasahan 10/8/2026
Min.: 1
Mult.: 1

8051 64 kB 256 B PLCC-44 20 MHz 10 bit 40 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
59May Stock
150Inaasahan 9/30/2026
Min.: 1
Mult.: 1

8051 64 kB 256 B PDIP-40 20 MHz 10 bit 40 I/O 2.4 V 5.5 V Through Hole 8 bit - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
144May Stock
1,600Inaasahan 12/11/2026
Min.: 1
Mult.: 1

8051 64 kB 256 B TQFP-44 20 MHz 10 bit 36 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
30May Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B VQFN-44 20 MHz 10 bit 36 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 805124K ISP Flash,2.4-5.5V
Datasheet
209May Stock
Min.: 1
Mult.: 1

8051 24 kB 256 B LQFP-44 20 MHz 10 bit 40 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
5May Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B LQFP-44 20 MHz 10 bit 40 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
480Inaasahan 9/29/2026
Min.: 1
Mult.: 1

8051 64 kB 256 B TQFP-44 20 MHz 10 bit 40 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
140Inaasahan 9/10/2026
Min.: 1
Mult.: 1

8051 64 kB 256 B PDIP-40 20 MHz 10 bit 40 I/O 2.4 V 5.5 V Through Hole 8 bit - 40 C + 85 C Tube

Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU
Datasheet
130Inaasahan 9/16/2026
Min.: 1
Mult.: 1

8051 8 kB 256 B PLCC-44 20 MHz No ADC 36 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 805124K ISP Flash,2.4-5.5V
Datasheet
Lead-Time para sa Hindi Naka-stock 12 (na) Linggo
Min.: 320
Mult.: 160

8051 24 kB 256 B TQFP-44 20 MHz 10 bit 40 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL
Datasheet
Lead-Time para sa Hindi Naka-stock 13 (na) Linggo
Min.: 720
Mult.: 360

8051 4 kB 256 B VQFN-44 20 MHz No ADC 36 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU Sngle-Cycle 8051 32K ISP Flsh,2.4-5.5V
Datasheet
Lead-Time para sa Hindi Naka-stock 13 (na) Linggo
Min.: 360
Mult.: 360

8051 32 kB 256 B VQFN-44 20 MHz 10 bit 40 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 805124K ISP Flash,2.4-5.5V
Datasheet
Lead-Time para sa Hindi Naka-stock 13 (na) Linggo
Min.: 360
Mult.: 360

8051 24 kB 256 B VQFN-44 20 MHz 10 bit 40 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray