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Toshiba High Speed CMOS 3-to-8 Decoder 16-Pin SOIC 74HC138D
Specifications
| Country of Origin | Japan |
|---|---|
| Brand | Toshiba |
| Height | 1.75mm |
| Length | 10.2mm |
| Model | 74HC138D |
| Mount Type | Surface |
| Number of inputs | 3 |
| Series | 74HC |
| Maximum Operating Temperature | 125°C |
| Package Type | SOIC |
| Minimum Operating Temperature | -40°C |
| Pin Count | 16 |
| Maximum Supply Voltage | 6V |
| Logic Family | 74HC |
| Logic Function | Decoder |
| Minimum Supply Voltage | 2V |
| Balanced propagation delays | tPLH ≈ tPHL |
Key Features
- The device decodes 3 binary inputs into one of eight mutually exclusive outputs.
- High speed operation with typical propagation delay of 16 ns at 5 V supply.
- Wide supply voltage range from 2 V to 6 V supporting low power operation.
- Operates in temperature range from -40°C to 125°C, suitable for industrial use.
- Surface mount SOIC package with 16 pins providing compact form factor.
- Outputs go low according to input combination when enabled, otherwise all outputs remain high.
- Input pins are protected against static discharge and transient voltages.
Product Description
Toshiba 74HC138D is a high speed CMOS 3-to-8 decoder fabricated with silicon gate CMOS technology, designed to operate with a wide voltage range from 2 V to 6 V and a temperature range from -40°C to 125°C.
The device features three binary select inputs (A, B, and C) which determine which one of the eight outputs (Y0 to Y7) will be driven low when the decoder is enabled. When the device is disabled, all outputs remain high to prevent erroneous signals.
High speed performance with a typical propagation delay of 16 ns at 5 V supply voltage ensures quick operation suitable for digital signal processing and high-frequency applications. The device also consumes low power, limiting current to a maximum of 4.0 μA at 25 °C, making it energy efficient for battery-powered or low power systems.
The device is fabricated with CMOS silicon gate technology combining high speed and low power. Decodes 3 binary inputs to 8 mutually exclusive output lines. Wide operating voltage range from 2 V to 6 V. Surface mount SOIC package with 16 pins allows space saving on printed circuit boards.
Industrial temperature range operation from -40°C to 125°C supports harsh environments. Static discharge and transient voltage protection on all inputs enhance device reliability. Typical propagation delay of 16 ns supports high frequency digital logic operations.
The 74HC138D decoder is ideal for use in industrial, commercial, manufacturing, and laboratory digital electronics applications requiring fast, reliable binary to octal decoding. This product is manufactured in Japan and is provided new in its standard industry packaging.
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Frequently Asked Questions
The typical propagation delay of the Toshiba 74HC138D is 16 ns at a 5 V supply voltage.
The 74HC138D operates within a supply voltage range of 2 V to 6 V.
This model operates within a temperature range of -40°C to 125°C, making it suitable for industrial environments.
The device features three binary select inputs (A, B, and C).
The 74HC138D comes in a surface mount SOIC package with 16 pins.
The maximum current consumption is limited to 4.0 μA at 25 °C, which contributes to its low power operation.
This model belongs to the 74HC logic family.
When the decoder is disabled, all outputs remain high to prevent erroneous signals.
The height of this model is 1.75 mm.
The length of the Toshiba 74HC138D is 10.2 mm.
The 74HC138D is manufactured in Japan.
The logic function of this device is a decoder, specifically a 3-to-8 decoder.
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