CD4056BM

Display Drivers Overview

The CD4056BM is a CMOS Liquid-Crystal Display Driver manufactured by Texas Instruments. It functions as a BCD-to-7-segment decoder/driver with a strobed-latch function, designed to drive one digit of a 7-segment LCD. The device operates within a supply voltage range of 3 V to 18 V and supports a maximum clock frequency of 8 MHz. It features low power consumption with a maximum supply current of 300 µA. The component is housed in a 16-pin SOIC-Narrow package and is rated for an operating temperature range from -55 °C to +125 °C.

Display Drivers Feature Summary

• Integrates BCD decoding and 7-segment driving capabilities for single-digit LCD displays
• Includes a strobed-latch function to control data input timing
• Operates across a wide supply voltage range suitable for various logic families
• Supports high-speed operation with a maximum clock frequency of 8 MHz

Display Drivers Applications

• Digital panel meters requiring LCD readouts
• Industrial control systems with liquid crystal displays
• Consumer electronics utilizing 7-segment LCD indicators
• Test and measurement equipment display interfaces

Display Drivers Procurement Notes

Verify the specific suffix (e.g., BM96) against the required package type and tape/reel specifications. Confirm RoHS compliance status if restricted substances are a constraint. Ensure the ordering part number matches the exact pinout and electrical characteristics defined in the latest datasheet revision. Cross-reference manufacturer codes to avoid counterfeit components.

Display Drivers Selection Notes

Select this component when a single-digit 7-segment LCD driver is required with integrated BCD decoding. Consider the wide operating temperature range for harsh environments. Verify that the supply voltage requirements align with the 3 V to 18 V operational window. Ensure the PCB layout accommodates the SOIC-16 package dimensions and thermal requirements.

Display Drivers Part Context

The CD4056B belongs to the CD4000B series of CMOS logic devices produced by Texas Instruments. This family provides robust performance in industrial and commercial applications. The CD4056B specifically addresses display driving needs, offering a compact solution for converting binary coded decimal inputs into segment outputs for LCD panels.

Display Drivers Replacement Considerations

Compatible alternatives include the CD4056BE and CD4056BPWR. Verify pin compatibility and electrical parameters before substitution. Check for any differences in package dimensions or thermal characteristics.