CMOS Programmable Interval Timer The IP82C54-12 is a programmable interval timer/counter manufactured by **INTERSIL**. Below are its key specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Manufacturer:** INTERSIL
- **Part Number:** IP82C54-12
- **Type:** Programmable Interval Timer/Counter
- **Operating Frequency:** Up to **12 MHz**
- **Supply Voltage:** **5V** (standard CMOS logic levels)
- **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:** **DIP (Dual In-line Package) or PLCC (Plastic Leaded Chip Carrier)**
- **Technology:** **CMOS**
### **Descriptions:**
- The **IP82C54-12** is a high-performance, low-power CMOS version of the **Intel 8254** timer/counter.
- It is designed for **real-time event counting, timing generation, and frequency measurement** in microprocessor-based systems.
- Each of the three counters can operate in **six different modes**, providing flexibility for various timing applications.
### **Features:**
1. **Three Independent 16-Bit Counters:**
- Each counter can be individually programmed for different timing modes.
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 (16-bit) and BCD (4-digit) counting modes.
4. **Single +5V Power Supply:**
- Compatible with standard TTL and CMOS logic levels.
5. **Low Power Consumption:**
- CMOS technology ensures efficient power usage.
6. **Read-Back Command:**
- Allows reading the count value and status of counters without disturbing operation.
7. **Wide Operating Temperature Range:**
- Available in commercial and industrial temperature grades.
This information is strictly based on the manufacturer's datasheet and technical documentation.
