LS7213R-S

Overview

The LS7213R-S is a programmable digital delay timer manufactured by LSI Computer Systems. It features an RC-controlled on-chip oscillator and provides eight timing ranges across four operational modes. Key functional blocks include a Power-On-Reset (POR) circuit and a dedicated reset input for aborting the delay sequence. The device utilizes a 14-pin dual in-line package with pin assignments including D3, D2, D1, FLASHEN, A, B, VSS, and (-V).

Feature Summary

• Eight selectable timing ranges
• Four distinct operating modes
• RC-controlled on-chip oscillator
• Power-On-Reset (POR) functionality
• Reset input for delay abort

Part Context

The LS7213R-S belongs to the LS7213 series of analog waveform generation and timing circuits produced by LSI Computer Systems. This component family focuses on precise digital delay applications utilizing external RC components for timing control.

Replacement Considerations

Publicly confirmed substitute part numbers for the LS7213R-S are not available in verified documentation. Users should verify compatibility with generic programmable delay timers based on specific timing range and mode requirements.