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82C55 from TOSHIBA

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82C55

Manufacturer: TOSHIBA

CMOS PROGRAMMABLE PERIPHERAL INTERFACE

Partnumber Manufacturer Quantity Availability
82C55 TOSHIBA 5380 In Stock

Description and Introduction

CMOS PROGRAMMABLE PERIPHERAL INTERFACE The 82C55 is a programmable peripheral interface (PPI) chip manufactured by Toshiba. It is a CMOS version of the Intel 8255A, designed to interface with microprocessors. Key specifications include:

- **Operating Voltage**: 5V ±10%
- **Operating Temperature Range**: -40°C to +85°C
- **Package**: 40-pin DIP (Dual In-line Package)
- **I/O Ports**: 24 programmable I/O pins divided into three 8-bit ports (Port A, Port B, Port C)
- **Modes of Operation**:
  - Mode 0: Basic input/output
  - Mode 1: Strobed input/output
  - Mode 2: Bi-directional bus
- **Compatibility**: Compatible with 8080, 8085, and 8086 microprocessors
- **Power Consumption**: Low power consumption due to CMOS technology
- **Clock Frequency**: Typically operates at frequencies up to 8 MHz

These specifications are based on the Toshiba 82C55 datasheet and are subject to the specific version and revision of the chip.

Partnumber Manufacturer Quantity Availability
82C55 NEC 300 In Stock

Description and Introduction

CMOS PROGRAMMABLE PERIPHERAL INTERFACE The 82C55 is a programmable peripheral interface (PPI) chip manufactured by NEC. It is a CMOS version of the Intel 8255A PPI, designed for interfacing peripheral devices to microprocessors. Key specifications include:

- **Operating Voltage**: 5V ±10%
- **Operating Temperature Range**: 0°C to 70°C
- **Package**: 40-pin DIP (Dual In-line Package)
- **I/O Ports**: 24 programmable I/O pins divided into three 8-bit ports (Port A, Port B, and Port C)
- **Modes of Operation**: 
  - Mode 0: Basic input/output
  - Mode 1: Strobed input/output
  - Mode 2: Bi-directional bus
- **Compatibility**: Fully compatible with the Intel 8255A
- **Power Consumption**: Low power consumption due to CMOS technology
- **Clock Frequency**: Typically operates at frequencies up to 8 MHz

These specifications are based on the NEC datasheet for the 82C55.

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