SA555DE4

Programmable Timers And Oscillators Overview

The SA555DE4 is a single precision timer integrated circuit manufactured by Texas Instruments, belonging to the SA555 series. It operates within a supply voltage range of 4.5V to 16V and supports frequencies up to 100kHz. The device features a TTL-compatible output capable of sourcing or sinking 200mA. It is housed in an 8-SOIC package with a width of 3.90mm and functions across an operating temperature range of -40°C to +85°C. The component draws a typical supply current of 2mA.

Programmable Timers And Oscillators Feature Summary

• Single precision timer with TTL-compatible output
• High drive capability: 200mA source/sink current
• Wide supply voltage range: 4.5V to 16V
• Industrial temperature rating: -40°C to +85°C

Programmable Timers And Oscillators Part Context

The SA555DE4 is part of the SA555 family of single precision timers from Texas Instruments. This series is designed for applications requiring precise timing control with robust output drive capabilities. The 'E4' suffix typically denotes lead-free packaging compliant with specific environmental standards, distinguishing it from standard commercial variants while maintaining functional compatibility within the SA555 line.

Programmable Timers And Oscillators Replacement Considerations

Publicly documented substitutes include LM555CM/NOPB, LM555CMX/NOPB, LMC555CMX/NOPB, and MC1455BDR2G. These alternatives offer similar timing functionality but may differ in power consumption (e.g., CMOS versions) or temperature ranges. Verification against the original datasheet is required to ensure pinout and electrical parameter compatibility.