Texas Instruments CD4503BM Buffers, Drivers, Receivers and Transceivers
CMOS Hex Non-Inverting Buffer with 3-State Outputs, featuring 6 channels and 6 inputs/outputs.

Same model may have multiple batches, images only for reference.
Technical Specifications
Texas Instruments CD4503BM Buffers, Drivers, Receivers and Transceivers technical specifications.
General
Alternate Parts Comparison (CD4503BM vs CD4051BM96G3 vs CD4051BM96G4 vs CD40106BM96E4)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 16-SOIC | 16-SOIC | 16-SOIC | 14-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -55°C ~ 125°C (TA) | -55°C ~ 125°C (TA) | -55°C ~ 125°C (TA) | -55°C ~ 125°C |
| Supply Voltage | 3V ~ 18V | -- | -- | 3V ~ 18V |
| Current Output High Low | 14.1mA, 23mA | -- | -- | 3.4mA, 3.4mA |
| Logic Type | Buffer, Non-Inverting | -- | -- | Inverter |
| Number of Inputs | 6 | -- | -- | 1 |
| Series | 4000B | -- | -- | -- |
| Number of Channels | 6 | -- | -- | -- |
| RoHS | Yes | -- | -- | -- |
| Contact Plating | Gold | -- | -- | -- |
| Height | 1.5mm | -- | -- | -- |
| Action |
Texas Instruments CD4503BM Buffers, Drivers, Receivers and Transceivers Overview
CMOS Hex Non-Inverting Buffer with 3-State Outputs, featuring 6 channels and 6 inputs/outputs. Operates with a supply voltage range of 3V to 18V, offering a propagation delay of 50ns and turn-on delay time of 180ns. This surface mount component, packaged in a 16-SOIC with gold contact plating, supports a wide temperature range from -55°C to 125°C.
It provides a high level output current of -8.2mA and a low level output current of 19.2mA, with a quiescent current of 20uA.