P8253-5

Programmable Timers And Oscillators Overview

The P8253-5 is a programmable interval timer manufactured by Rochester Electronics, LLC. It features three independent 16-bit counters and supports six programmable modes for flexible timing operations. The device utilizes advanced CHMOS III technology to ensure reliable performance in embedded systems. It operates within a voltage range of 4.5 V to 5.5 V, with a nominal supply of 5 V. The maximum clock frequency is 8 MHz. The component is housed in a 24-pin DIP package and functions as a general-purpose multi-timing solution designed specifically for Intel microcomputer systems.

Programmable Timers And Oscillators Feature Summary

• Supports six programmable operating modes for versatile timing control
• Integrates three independent 16-bit counter channels
• Utilizes advanced CHMOS III technology for enhanced reliability

Programmable Timers And Oscillators Applications

• Embedded processor and controller systems
• Intel microcomputer system timing requirements
• General-purpose multi-timing applications

Programmable Timers And Oscillators Procurement Notes

Verify the specific ordering suffix and package variant when sourcing this component, as manufacturers may offer different configurations. Confirm that the part meets the required temperature range specifications for your application environment. Ensure compatibility with existing system architectures before integration. Request detailed datasheets from authorized distributors to validate technical parameters against current design needs.

Programmable Timers And Oscillators Selection Notes

Select this component when a programmable interval timer with multiple channels is required for embedded control tasks. Consider the 8 MHz maximum clock frequency and 5 V operating voltage constraints during system design. The 24-pin DIP package suits through-hole mounting requirements. Evaluate the need for six distinct programming modes to determine if this level of flexibility aligns with the project's timing complexity.

Programmable Timers And Oscillators Part Context

Rochester Electronics specializes in semiconductor lifecycle solutions, providing authorized continuing source components for end-of-life and obsolete parts. The P8253-5 represents a continuation of legacy programmable timer technology, ensuring availability for long-term industrial and embedded applications where original manufacturer support may no longer be active.

Programmable Timers And Oscillators Replacement Considerations

The IS82C54 is identified as a comparable alternative by industry sources. Verify electrical compatibility and pinout alignment before substitution. Ensure that the replacement part meets all functional requirements of the original design specification.