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87C451

80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O

Partnumber Manufacturer Quantity Availability
87C451 120 In Stock

Description and Introduction

80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O The 87C451 is a microcontroller manufactured by Intel. It is part of the MCS-51 family of microcontrollers, which are based on the 8051 architecture. Key specifications of the 87C451 include:

- **Architecture**: 8-bit
- **CPU**: 8051 core
- **Clock Speed**: Typically operates at 12 MHz
- **ROM**: 8 KB of EPROM (Erasable Programmable Read-Only Memory)
- **RAM**: 256 bytes of internal RAM
- **I/O Ports**: 32 I/O lines (4 ports of 8 bits each)
- **Timers/Counters**: Two 16-bit timers/counters
- **Serial Port**: One full-duplex UART (Universal Asynchronous Receiver/Transmitter)
- **Interrupts**: Five interrupt sources with two priority levels
- **Power Supply**: Typically operates at 5V
- **Package**: Available in a 40-pin DIP (Dual In-line Package)

The 87C451 is designed for embedded control applications and is known for its robustness and versatility in various industrial and consumer electronics applications.

Partnumber Manufacturer Quantity Availability
87C451 PHI 120 In Stock

Description and Introduction

80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, expanded I/O The part 87C451 is a microcontroller manufactured by Philips (PHI). It is an 80C51-based microcontroller with enhanced features, including 8-bit CPU, 128 bytes of RAM, 4 KB of ROM, 32 I/O lines, two 16-bit timer/counters, a full-duplex serial port, and on-chip oscillator and clock circuitry. It operates at a voltage range of 4.5V to 5.5V and is designed for embedded control applications. The 87C451 is compatible with the MCS-51 instruction set and is available in a 40-pin DIP package.

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