AT89C4051-12PC

Obsolete

Microchip Technology

IC MCU 8BIT 4KB FLASH 20DIP

Find alt

Alpha

AT89C4051-12PC

Obsolete

Microchip Technology

IC MCU 8BIT 4KB FLASH 20DIP

Find alt

Alpha

Description Specifications Series Pricing CAD Documents

Description

General part information

AT89C4051 Series

A low-voltage, high-performance CMOS 8-bit microcontroller with 4KB of flash programmable and erasable read-only memory (PEROM). The device uses Microchip's s high-density nonvolatile memory technology and is compatible with the industry-standard MCS-51 instruction set. This versatile 8-bit CPU with flash provides a highly-flexible and cost-effective solution for many embedded control applications.

Technical Specifications

Parameters and characteristics for this part

Specification	AT89C4051-12PC

Connectivity	USART, UART
Core Processor	8051
Core Size (Bit Width)	8 Bit
Mounting Type	Through Hole
Number of I/O	15
Operating Temperature (Max)	70 °C
Operating Temperature (Min)	0 °C
Oscillator Type	Internal
Package Length	0.3 in
Package Name	20-DIP, 20-PDIP
Package Width	7.62 mm
Peripherals	Brown-out Detect, LED, POR, Reset
Program Memory Depth	4 K
Program Memory Size	4 KB
Program Memory Type	FLASH
Program Memory Width	8 bit
RAM Size Depth	128
RAM Size Width	8 bit
Speed	12 MHz
Voltage - Supply (Vcc/Vdd) Maximum	6 V
Voltage - Supply (Vcc/Vdd) Minimum	4 V

AT89C4051 Series

Part	Package Name	Operating Temperature (Max)	Operating Temperature (Min)	RAM Size Depth	RAM Size Width	Package Length	Package Width	Oscillator Type	Connectivity	Peripherals	Program Memory Depth	Program Memory Width	Program Memory Size	Core Processor	Core Size (Bit Width)	Program Memory Type	Mounting Type	Speed	Voltage - Supply (Vcc/Vdd) Maximum	Voltage - Supply (Vcc/Vdd) Minimum	Number of I/O
Microchip Technology AT89C4051-12PU	20-DIP 20-PDIP	85 °C	-40 °C	128	8 bit	0.3 in	7.62 mm	Internal	UART USART	Brown-out Detect LED POR Reset	4 K	8 bit	4 KB	8051	8 Bit	FLASH	Through Hole	12 MHz	6 V	2.7 V	15
Microchip Technology AT89C4051-12SI	20-SOIC	85 °C	-40 °C	128	8 bit	0.295 in	7.5 mm	Internal	UART USART	Brown-out Detect LED POR Reset	4 K	8 bit	4 KB	8051	8 Bit	FLASH	Surface Mount	12 MHz	6 V	4 V	15
Microchip Technology AT89C4051-24SC	20-SOIC	70 °C	0 °C	128	8 bit	0.295 in	7.5 mm	Internal	UART USART	Brown-out Detect LED POR Reset	4 K	8 bit	4 KB	8051	8 Bit	FLASH	Surface Mount	24 MHz	6 V	4 V	15
Microchip Technology AT89C4051-24PC	20-DIP 20-PDIP	70 °C	0 °C	128	8 bit	0.3 in	7.62 mm	Internal	UART USART	Brown-out Detect LED POR Reset	4 K	8 bit	4 KB	8051	8 Bit	FLASH	Through Hole	24 MHz	6 V	4 V	15
Microchip Technology AT89C4051-12SU	20-SOIC	85 °C	-40 °C	128	8 bit	0.295 in	7.5 mm	Internal	UART USART	Brown-out Detect LED POR Reset	4 K	8 bit	4 KB	8051	8 Bit	FLASH	Surface Mount	12 MHz	6 V	2.7 V	15
Microchip Technology AT89C4051-24SI	20-SOIC	85 °C	-40 °C	128	8 bit	0.295 in	7.5 mm	Internal	UART USART	Brown-out Detect LED POR Reset	4 K	8 bit	4 KB	8051	8 Bit	FLASH	Surface Mount	24 MHz	6 V	4 V	15
Microchip Technology AT89C4051-24PU	20-DIP 20-PDIP	85 °C	-40 °C	128	8 bit	0.3 in	7.62 mm	Internal	UART USART	Brown-out Detect LED POR Reset	4 K	8 bit	4 KB	8051	8 Bit	FLASH	Through Hole	24 MHz	6 V	4 V	15
Microchip Technology AT89C4051-24PI	20-DIP 20-PDIP	85 °C	-40 °C	128	8 bit	0.3 in	7.62 mm	Internal	UART USART	Brown-out Detect LED POR Reset	4 K	8 bit	4 KB	8051	8 Bit	FLASH	Through Hole	24 MHz	6 V	4 V	15
Microchip Technology AT89C4051-24SU	20-SOIC	85 °C	-40 °C	128	8 bit	0.295 in	7.5 mm	Internal	UART USART	Brown-out Detect LED POR Reset	4 K	8 bit	4 KB	8051	8 Bit	FLASH	Surface Mount	24 MHz	6 V	4 V	15
Microchip Technology AT89C4051-12PC	20-DIP 20-PDIP	70 °C	0 °C	128	8 bit	0.3 in	7.62 mm	Internal	UART USART	Brown-out Detect LED POR Reset	4 K	8 bit	4 KB	8051	8 Bit	FLASH	Through Hole	12 MHz	6 V	4 V	15

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Create a free account to access distributor pricing data.

CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

AT89C4051-12PC | Datasheet