PT8A2511WEX

Programmable Timers And Oscillators Overview

The PT8A2511WEX is a CMOS LSI toaster controller designed for low-cost applications. It integrates Defrost and Reheat functions, driven by an external oscillator at 1024 Hz. The device features a high-active RELAY output and dedicated indicator outputs (RX, CX) that activate upon negative pulses. Recommended operation conditions specify a supply voltage of 3.5V to 5.5V and an operating temperature range of 0°C to +85°C. The component is marked as obsolete and discontinued.

Programmable Timers And Oscillators Feature Summary

• Integrated Defrost and Reheat modes activated by negative input pulses
• High-active RELAY drive output with up to 15mA source current capability
• Dedicated RX and CX outputs indicating active Reheat and Defrost states
• External oscillator interface supporting 1024 Hz frequency

Programmable Timers And Oscillators Applications

• Toaster control systems

Programmable Timers And Oscillators Procurement Notes

The PT8A2511WEX is officially listed as PART OBSOLETE - DISCONTINUED by Diodes Incorporated. Verification of availability requires checking distributor channels for remaining stock or evaluating alternative components. Sourcing should confirm the specific status of the WEX suffix variant against the general PT8A2511 family obsolescence notice.

Programmable Timers And Oscillators Selection Notes

Designers must account for the 1024 Hz external oscillator requirement using R1 and C1 components. Input thresholds are defined relative to VCC, requiring logic levels compatible with the specified VIH and VIL ranges. The package code P indicates an 8-pin Dual InLine Plastic (DIP) form factor in the tape/reel configuration.

Programmable Timers And Oscillators Part Context

The PT8A2511 series serves as a specialized mixed-signal controller for small kitchen appliances. The WEX suffix denotes the Tape/Reel packaging format for the 8-pin DIP version. This component belongs to a family of controllers where specific pinouts and electrical characteristics define their integration into appliance mainboards.

Programmable Timers And Oscillators Replacement Considerations

As the PT8A2511 is discontinued, engineers should evaluate other Diodes Incorporated toaster controllers such as the PT8A2512NE or PT8A2514A. Compatibility checks must verify pin assignments, oscillator requirements, and output drive capabilities against the original design specifications.