IS82C54Z
Programmable timer ICs in 28-pin PLCC for precision timing applications
Manufacturer： ['renesas', 'rochester', 'intersil']
series introduction
# IS82C54Z Product Series Introduction
## 1. Overview
The IS82C54Z product series is a highly versatile and reliable line of integrated circuits that play a crucial role in a wide range of electronic systems. These devices are designed to provide precise timing and control functions, making them an essential component in applications where accurate timekeeping, pulse generation, and event sequencing are required.
## 2. Key Features
### 2.1 High - Precision Timing
- The IS82C54Z series offers extremely accurate timing capabilities. It can generate precise time intervals with a high degree of stability, which is crucial for applications such as real - time clocks, data acquisition systems, and communication protocols that rely on accurate time synchronization.
- With a wide range of programmable clock frequencies, users can adjust the timing according to their specific requirements, ensuring optimal performance in different scenarios.
### 2.2 Multiple Counter/Timer Channels
- Each device in the IS82C54Z series typically comes with multiple independent counter/timer channels. For example, it may have three 16 - bit counter/timer channels. These channels can operate simultaneously, allowing for complex timing and control tasks to be executed in parallel.
- This multi - channel design enables the device to handle multiple timing functions within a single integrated circuit, reducing the need for additional components and simplifying the overall system design.
### 2.3 Programmable Modes of Operation
- The IS82C54Z series supports a variety of programmable operating modes. Some of the common modes include:
- **Square - Wave Generator Mode**: In this mode, the counter/timer can generate a continuous square wave output with a programmable frequency. This is useful for applications such as generating clock signals for digital circuits or driving stepper motors.
- **Rate Generator Mode**: It can be configured to generate a series of pulses at a specific rate, which is ideal for applications like frequency division or generating periodic interrupts.
- **One - Shot Mode**: This mode allows the device to generate a single pulse of a programmable width, which can be used for triggering events or controlling the duration of a specific operation.
### 2.4 Compatibility and Ease of Integration
- The IS82C54Z series is designed to be compatible with a wide range of microprocessors and microcontrollers. It uses standard digital interfaces, such as parallel interfaces, which makes it easy to integrate into existing electronic systems.
- The device also has a low - power consumption design, which is beneficial for battery - powered applications or systems where power efficiency is a concern.
## 3. Technical Specifications
### 3.1 Electrical Characteristics
- **Supply Voltage**: The typical supply voltage range for the IS82C54Z series is between 4.5V and 5.5V, which is compatible with most standard digital circuits.
- **Input/Output Logic Levels**: It uses TTL (Transistor - Transistor Logic) compatible input and output levels, ensuring seamless integration with other TTL - based components.
- **Power Consumption**: The power consumption is relatively low, typically in the range of a few milliwatts, depending on the operating mode and clock frequency.
### 3.2 Timing Parameters
- **Clock Frequency Range**: The device can accept clock frequencies ranging from a few hertz to several megahertz, providing flexibility in different timing applications.
- **Counter Resolution**: With 16 - bit counter/timer channels, the device offers a high level of resolution, allowing for precise timing intervals to be set.
### 3.3 Package and Dimensions
- The IS82C54Z series is available in various package types, such as DIP (Dual In - Line Package) and SOIC (Small
Images for reference
28-PLCC, N28.45 PKG
28-PLCC, N28.45 PKG
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