CD4508BD3

Latches Overview

The CD4508BD3 is a dual D-type transparent latch integrated circuit manufactured by Texas Instruments. It belongs to the 4000B series of CMOS logic devices and features two independent channels, each configured as an 8-bit latch. The component operates within a supply voltage range of 3V to 18V and supports a wide operating temperature range from -55°C to +125°C. It utilizes a 24-pin Small Outline Package (SOIC) with a DW drawing designation. Key electrical characteristics include a propagation delay of 50ns and output currents of 6.8mA for both high and low states.

Latches Feature Summary

• Dual-channel architecture providing two independent 8-bit transparent latches
• CMOS technology compatible with standard 4000B logic families
• Wide power supply voltage tolerance supporting diverse system requirements
• Extended industrial temperature rating suitable for harsh environments

Latches Applications

• Data storage and buffering in digital logic circuits
• Parallel-to-serial data conversion interfaces
• Memory address latching systems
• Timing control and synchronization modules

Latches Procurement Notes

Verify that the specific part number CD4508BD3 corresponds to the SOIC package variant before ordering. Confirm RoHS compliance status and lead finish specifications against current manufacturer documentation. Ensure the procurement channel provides traceability for the 4000B series components. Cross-reference the datasheet revision date to confirm technical accuracy.

Latches Selection Notes

Select this component when a dual-channel 8-bit latch solution is required within a compact surface-mount footprint. Consider the 4000B series compatibility if interfacing with existing legacy logic designs. Evaluate the 50ns propagation delay against system timing constraints. Verify that the 3V to 18V operating range aligns with the target application's power supply rails.

Latches Part Context

The CD4508B type is functionally similar to the industry-standard MC14508 device. It is part of the broader 4000B family of CMOS logic products offered by Texas Instruments. The device serves as a fundamental building block for sequential logic applications requiring parallel data retention. Alternative versions exist in ceramic DIP and TSSOP packages depending on hermetic sealing or size requirements.

Latches Replacement Considerations

CD4508BM96 is listed as an active production alternative in the SOIC package.