AT89C4051-24SU More Semiconductors - ICs by Microchip Technology

Status: Active
Series: AT89C4051
RoHS: Compliant
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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.

Prices starting from US$1.08


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Logo for Microchip Technology Microchip Technology US$1.08
3,792
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Logo for Schukat Electronic Schukat Electronic US$1.28
610
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Logo for Transfer Multisort Elektronik Transfer Multisort Elektronik US$1.29
397
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Logo for Newark Electronics Newark Electronics US$1.26
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Logo for Future Electronics Future Electronics US$1.24
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Logo for Avnet America Avnet America US$1.49
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Logo for EBV Elektronik EBV Elektronik -
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Logo for Avnet Silica Avnet Silica -
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Specifications

Program Memory Type Flash
Program Memory Size (KB) 4
CPU Speed (MIPS/DMIPS) 4
Data EEPROM (bytes) 0
Capture/Compare/PWM (CCP) 0
Max 8 Bit Digital Timers 0
Number of ADCs 0
ADC Channels 0
Max ADC Resolution (bits) 0
Number of Comparators 0
Temp. Range Min. 0
Temp. Range Max. 0
Operation Voltage Max.(V) 6
Operation Voltage Min.(V) 2.7
Pin Count 20
Low Power No
Pins | Packaging 20 | SOIC
Temp Range -40C to +85C
Packing Media Tube (37)

Resources


Application Notes
AN_4345 - Program Examples for 8051 Timers
AN_3487 - Migrating from AT89C51/C52 to AT89S51/S52
AN_4346 - Program Examples for 8051 UART
AN_4363 - Analyzing the Behavior of an Oscillator and Ensuring Good Start-up
AN_7764 - Design Guide for 8051 Standard Devices
AN_migration-87xx2_89xx2 - Migration from OTP 8051 to Flash 8051
AN_3554 - Migrating from AT89C2051/C4051 to AT89S2051/S4051
AN_3573 - Migrating from AT89C2051/C4051 to AT89LP2052/LP4052
AN_4284 - How to Calculate the Capacitor of the Reset Input of an 8051 Microcontroller
AN_0285 - Using a Personal Computer to Program the AT89C51/C52/LV51/LV52/C1051/C2051
AN_0287 - AT89C51 In-Circuit Programming
AN_0508 - Controlling FPGA Configuration with a Flash-based Microcontroller
AN_0510 - Programming the Family of Flash Memories
AN_0524 - Analog-to-Digital Conversion Utilizing AT89LP MCU without ADC
AN_0597 - A Digital Thermometer Using the AT89LP2052 MCU
AN_0593 - Two-Wire Peripheral Expansion for the AT89LP2052 MCU
AN_8128 - AVR186: Best practices for the PCB layout of Oscillators
AN_0534 - Designing Boards with AT89C51/52, AT89C1051 for writing Flash at In-Circuit Test
AN_4279 - EMC Improvement Guidelines
AN_1489 - PC-Interfaced Data Aquisition System with the AT89C2051 Microcontroller
AN_0507 - Interfacing AT24CXX Serial EEPROMs with AT89LP MCUs
AN_0521 - Interfacing AT93CXXX Serial EEPROMs with AT89LP MCUs
AN_0628 - Interfacing AT25CXXX Serial EEPROMs with AT89LP MCUs
AN2468 - Production Programming of Microchip AVR and SAM Microcontrollers
AN_4183 - External Brown-out Protection for C51 Microcontrollers with Active High Reset Input
AN_4214 - Driving Unipolar Stepper Motors Using 8051


Miscellaneous
Hardware Connections for C51 Microcontrollers - This document provides schematics that outline the hardware connections to C51 microcontrollers from USB, CAN, UART, and UART Auto interfaces.
Calculation tool for setting Timers, UART, parameters in 80C51 Microcontrollers - This Excel file allows a user to determine register values for PCA, UART and Timers in order to obtain a specific signal (period and duty cycle) according to the application`
Emulators for 80C51 Devices - This Excel spreadsheet provide summary information on emulation support for Atmel 80C51 microcontrollers
Tables for setting UART parameters in 80C51 Microcontrollers - This Excel file provides configuration tables to allow a user to determine register values for UART according to the application`s oscillator frequency and internal clock mode (X1 or X2).
Atmel8051MCUs_DirectReplacements.pdf
NXP Flash MCU to Atmel Flash MCU Devices, Non-Direct Replacements - This cross reference table helps you choose Atmel Flash MCUs to replace NXP Flash MCUs (these are non-direct replacements that are not pin-to-pin compatible).
Package Adapters of 80C51 Devices - This Excel spreadsheet list available package adapters for Atmel 80C51 microcontrollers
Device Programmers for 8051 Devices - This Excel spreadsheet provide summary information on device programmers supporting Atmel 8051 microcontrollers


Environmental Information

JEDEC Indicator e3
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.542
Shipping Weight (kg) 0.973684
Lead Count 20
Package Type SOIC
Package Width or Size .300in
Soldering Composition Matte Tin

Alternative Descriptions

24MHZ, SOIC, IND TEMP, GREEN, 4V - 5.5V | Microchip Technology
MC 5V 4K-Flash 24MHz SOL20 | Schukat Electronic
IC: microcontroller 8051 | Transfer Multisort Elektronik
MCU, 8BIT, 8051, 24MHZ, SOIC-20 | Farnell
Mcu, 8Bit, 8051, 24Mhz, Soic-20 | Newark Electronics
8-bit Microcontroller with 4K Bytes Flash | Future Electronics
MCU 8-Bit 89C 8051 CISC 4KB Flash 5V 20-Pin SOIC W | Avnet America

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Frequently Asked Questions

Where can I find additional details, specifications and documents for a AT89C4051-24SU?

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Is the AT89C4051-24SU RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Microchip Technology.

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