Product Features
Functional Description
? 3-to-8 Line Decoder
Features
(1) High speed: tpd = 14 ns (typ.) at VCC = 5 V
(2) Low power dissipation: ICC = 4.0 μA (max) at Ta = 25
(3) Balanced propagation delays: tPLH ≈ tPHL
(4) Wide operating voltage range: VCC(opr) = 2.0 V to 6.0 V
Product General
The 74HC238D is a high speed CMOS 3-to-8 DECODER fabricated with silicon gate C2MOS technology.
It achieves the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation.
When the device is enabled, 3 Binary Select inputs (A, B and C) determine which one of the outputs (Y0 - Y7) will go high.
When enable input G1 is held low or either G2A or G2B is held high, decoding function is inhibited and all the outputs go low. G1, G2A, and G2B inputs are provided to ease cascade connection and for use as an address decoder for memory systems.
All inputs are equipped with protection circuits against static discharge or transient excess voltage.
Specifications
| Attribute | Attribute value |
| ANSM-Part# | ANSM-74HC238D |
| Category | Integrated Circuits (ICs) |
| Logic | |
| Signal Switches, Multiplexers, Decoders | |
| Mfr | Toshiba Semiconductor and Storage |
| Series | 74HC |
| Package | Tape & Reel (TR) |
| Cut Tape (CT) | |
| Digi-Reel? | |
| Product Status | Active |
| Type | Decoder/Demultiplexer |
| Circuit | 1 x 3:8 |
| Independent Circuits | 1 |
| Current - Output High, Low | 5.2mA, 5.2mA |
| Voltage Supply Source | Single Supply |
| Voltage - Supply | 2V ~ 6V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 16-SOIC |
| Base Product Number | 74HC238 |
Actual product photos

Product Data Book:



For more product information, please download the PDF
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