Overview
The CD74HC154M96G4 is a high-speed CMOS logic 4-to-16 line decoder/demultiplexer produced by Texas Instruments. This component is part of the HC154 series, which includes both HC and HCT types, each with distinct operational characteristics. The device is packaged in a 24-pin SOIC (DW) package and operates over a wide temperature range of -55°C to 125°C. It is designed to facilitate demultiplexing and cascading functions, making it versatile for various digital circuit applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Package Type | SOIC (DW) | - |
| Pins | 24 | - |
| Operating Temperature Range | -55 to 125 | °C |
| Supply Voltage Range (HC Types) | 2 to 6 | V |
| Supply Voltage Range (HCT Types) | 4.5 to 5.5 | V |
| Propagation Delay (HC Types, CL = 50pF) | 35 to 53 ns | ns |
| Propagation Delay (HCT Types, CL = 50pF) | 30 to 45 ns | ns |
| Input Leakage Current | ±0.1 to ±1 µA | µA |
| Quiescent Device Current | 8 to 160 µA | µA |
Key Features
- Two enable inputs to facilitate demultiplexing and cascading functions.
- Fanout capability: Standard outputs support up to 10 LSTTL loads, and bus driver outputs support up to 15 LSTTL loads.
- Wide operating temperature range of -55°C to 125°C.
- Balanced propagation delay and transition times.
- Significant power reduction compared to LSTTL logic ICs.
- HC types operate from 2V to 6V, while HCT types operate from 4.5V to 5.5V.
- High noise immunity: For HC types, NIL = 30%, NIH = 30% of VCC at VCC = 5V.
- Direct LSTTL input logic compatibility for HCT types: VIL = 0.8V (Max), VIH = 2V (Min).
- CMOS input compatibility with low input current (≤1µA at VOL, VOH).
Applications
The CD74HC154M96G4 is suitable for a variety of digital circuit applications, including:
- Demultiplexing and decoding in digital systems.
- Cascading functions in complex digital circuits.
- Military and industrial applications due to its wide operating temperature range.
- General-purpose logic circuits where high-speed and low power consumption are required.
Q & A
- What is the primary function of the CD74HC154M96G4?
The primary function is to act as a 4-to-16 line decoder/demultiplexer.
- What is the operating temperature range of the CD74HC154M96G4?
The operating temperature range is -55°C to 125°C.
- What are the supply voltage ranges for HC and HCT types?
HC types operate from 2V to 6V, while HCT types operate from 4.5V to 5.5V.
- What is the propagation delay for HC types with a 50pF load?
The propagation delay for HC types with a 50pF load is 35 to 53 ns.
- How many LSTTL loads can the standard outputs support?
The standard outputs can support up to 10 LSTTL loads.
- What is the input leakage current of the device?
The input leakage current is ±0.1 to ±1 µA.
- Is the CD74HC154M96G4 suitable for military applications?
- What is the package type and pin count of the CD74HC154M96G4?
The package type is SOIC (DW) with 24 pins.
- Does the CD74HC154M96G4 have high noise immunity?
- Is the CD74HC154M96G4 compatible with CMOS inputs?
