Texas Instruments CY74FCT138ATQCT Signal Switches, Multiplexers and Decoders
CMOS 1-of-8 Decoder/Demultiplexer IC, featuring 3 inputs and 8 outputs.

Same model may have multiple batches, images only for reference.
Technical Specifications
Texas Instruments CY74FCT138ATQCT Signal Switches, Multiplexers and Decoders technical specifications.
General
Alternate Parts Comparison (CY74FCT138ATQCT vs CY74FCT2541TQCT vs CY74FCT163CTQCT vs CY74FCT191CTQCT)
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-SSOP | -- | 16-SSOP | 16-SSOP |
| Mounting Type | Surface Mount | -- | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C | -- | -40°C ~ 85°C | -40°C ~ 85°C |
| Supply Voltage | 5V | -- | 4.75 V ~ 5.25 V | 4.75 V ~ 5.25 V |
| Number of Elements | 1 | -- | 1 | 1 |
| Action |
Texas Instruments CY74FCT138ATQCT Signal Switches, Multiplexers and Decoders Overview
CMOS 1-of-8 Decoder/Demultiplexer IC, featuring 3 inputs and 8 outputs. This surface mount component operates with a single 5V supply (4.75V to 5.25V) and offers a maximum bandwidth of 70MHz. It provides a propagation delay of 6ns and a turn-on delay time of 5.9ns, with high and low level output currents of -32mA and 64mA respectively.
Packaged in a 16-SSOP with gold contact plating, this lead-free and RoHS compliant device is suitable for operation between -40°C and 85°C.