Key facts
- Brand
- STMicroelectronics
- Model
- M74HCT138
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-08-10
Start here
STMicroelectronics M74HCT138 3-to-8 Line Decoder Datasheet
The M74HCT138 is a high-speed CMOS 3-to-8 line decoder fabricated with silicon gate CMOS technology. It is designed to be compatible with TTL outputs and pin-compatible with the 74 series 138. The device features enable inputs to facilitate cascade connections and address decoding for memory systems, with all inputs equipped with protection circuits against static discharge and transient excess voltage.
Read onlineSTMicroelectronics M74HCT138 specifications
| Propagation Delay (Typical) | 16ns |
|---|---|
| Quiescent Supply Current (Max) | 4uA |
| Operating Temperature Range | -55 to 125 °C |
| Power Dissipation | 500mW |
Source: STMicroelectronics M74HCT138 3-to-8 Line Decoder Datasheet
All STMicroelectronics M74HCT138 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
Is the M74HCT138 compatible with TTL outputs?
Yes, the device is compatible with TTL outputs with a minimum input voltage of 2V.
From: STMicroelectronics M74HCT138 3-to-8 Line Decoder Datasheet
How many enable inputs does the M74HCT138 have?
The device has three enable inputs: G1, G2A, and G2B.
From: STMicroelectronics M74HCT138 3-to-8 Line Decoder Datasheet
How much power can the device dissipate safely?
The device can dissipate up to 500 mW (at 65 °C).
From: STMicroelectronics M74HCT138 3-to-8 Line Decoder Datasheet