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The M82C53-2 is a programmable interval timer (PIT) manufactured by OKI. Below are its specifications, descriptions, and features:

Specifications:

• Manufacturer: OKI (Oki Electric Industry Co., Ltd.)
• Type: Programmable Interval Timer (PIT)
• Model Number: M82C53-2
• Operating Voltage: 5V
• Technology: CMOS
• Clock Frequency: Up to 8 MHz
• Number of Counters: 3 independent 16-bit counters
• Operating Temperature Range: Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)
• Package Type: 24-pin DIP (Dual In-line Package) or other available options

Descriptions:

The M82C53-2 is a CMOS version of the industry-standard 8253/8254 programmable interval timer. It provides three independent 16-bit counters, each capable of operating in different modes for timing and event counting applications. It is widely used in microprocessor-based systems for generating precise time delays, frequency measurements, and pulse generation.

Features:

1. Three Independent 16-bit Counters: Each counter can be programmed individually.

2. Six Programmable Operating Modes:

• Mode 0: Interrupt on Terminal Count
• Mode 1: Hardware Retriggerable One-Shot
• Mode 2: Rate Generator
• Mode 3: Square Wave Generator
• Mode 4: Software Triggered Strobe
• Mode 5: Hardware Triggered Strobe

3. Binary or BCD Counting: Supports both binary and BCD counting modes.

4. Single 5V Power Supply: Low-power CMOS design.

5. High-Speed Operation: Compatible with high-speed microprocessors (up to 8 MHz).

6. Read-Back Command: Allows reading the count value and status of counters without disturbing operation.

7. Wide Temperature Range: Available in commercial and industrial-grade versions.

This IC is commonly used in embedded systems, industrial control, and computing applications where precise timing is required.