Overview
The SN74HC151DG4 is a high-speed CMOS 8-line to 1-line data selector/multiplexer produced by Texas Instruments. This device is part of the 74HC series, known for its high performance and low power consumption. It provides full binary decoding to select one of eight data sources, making it versatile for various digital circuit applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | 2 | 5 | 6 | V |
| VIH High-Level Input Voltage | 1.5 (VCC=2V), 3.15 (VCC=4.5V), 4.2 (VCC=6V) | V | ||
| VIL Low-Level Input Voltage | 0.5 (VCC=2V), 1.35 (VCC=4.5V), 1.8 (VCC=6V) | V | ||
| IOH Output Current | -20 mA (VCC=2V), -6 mA (VCC=4.5V), -7.8 mA (VCC=6V) | mA | ||
| IOL Output Current | 20 μA (VCC=2V), 6 mA (VCC=4.5V), 7.8 mA (VCC=6V) | mA | ||
| ICC Quiescent Current | 80 | 160 | μA | |
| tpd Propagation Delay | 13 ns (Typical at VCC=5V) | ns | ||
| TJ Junction Temperature | -55 | 150 | °C | |
| Tstg Storage Temperature | -65 | 150 | °C |
Key Features
- Wide operating voltage range of 2 V to 6 V
- Outputs can drive up to 10 LSTTL loads
- Low power consumption, 80-μA max ICC
- Typical propagation delay of 13 ns
- ±6-mA output drive at 5 V
- Low input current of 1 μA max
- Can perform as Boolean-function generators, parallel-to-serial converters, and data source selectors
Applications
The SN74HC151DG4 is suitable for a variety of digital circuit applications, including:
- Boolean-function generators
- Parallel-to-serial converters
- Data source selectors
- General-purpose multiplexing and demultiplexing
- Digital logic circuits requiring high-speed and low power consumption
Q & A
- What is the operating voltage range of the SN74HC151DG4?
The operating voltage range is from 2 V to 6 V.
- How many LSTTL loads can the outputs of the SN74HC151DG4 drive?
The outputs can drive up to 10 LSTTL loads.
- What is the typical propagation delay of the SN74HC151DG4?
The typical propagation delay is 13 ns at VCC = 5 V.
- What are the possible applications of the SN74HC151DG4?
It can be used as Boolean-function generators, parallel-to-serial converters, data source selectors, and in general-purpose multiplexing and demultiplexing.
- What is the maximum quiescent current (ICC) of the SN74HC151DG4?
The maximum quiescent current is 160 μA.
- What is the junction temperature range for the SN74HC151DG4?
The junction temperature range is from -55°C to 150°C.
- What is the storage temperature range for the SN74HC151DG4?
The storage temperature range is from -65°C to 150°C.
- What is the maximum output current of the SN74HC151DG4?
The maximum output current is ±7.8 mA at VCC = 6 V.
- What is the input current of the SN74HC151DG4?
The input current is 1 μA max.
- What are the available package options for the SN74HC151DG4?
The available packages include SOIC (D), PDIP (N), SOP (NS), and TSSOP (PW).
