Overview
The SN74HC151DR is an 8-line to 1-line data selector/multiplexer produced by Texas Instruments. This device is part of the HC family of CMOS logic integrated circuits and is designed to provide full binary decoding to select one of eight data sources. The SN74HC151DR operates over a wide voltage range of 2 V to 6 V, making it versatile for various applications. It features low power consumption and high output drive capability, making it suitable for a range of digital logic circuits.
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, -6 mA, -7.8 mA | mA | ||
| IOL Output Current | 20 μA, 6 mA, 7.8 mA | mA | ||
| tpd Propagation Delay (A, B, or C to Y or W) | 94 ns (VCC=2V), 30 ns (VCC=4.5V), 25 ns (VCC=6V) | 250 ns (VCC=2V), 50 ns (VCC=4.5V), 43 ns (VCC=6V) | 360 ns (VCC=2V), 73 ns (VCC=4.5V), 62 ns (VCC=6V) | ns |
| TJ Junction Temperature | 150 °C | °C | ||
| Tstg Storage Temperature | -65 °C | 150 °C | °C |
Key Features
- Wide operating voltage range of 2 V to 6 V
- Outputs can drive up to 10 LSTTL loads
- Low power consumption, with a maximum ICC of 80 μA
- Typical propagation delay of 13 ns
- ±6-mA output drive at 5 V
- Low input current of 1 μA max
- Can function as Boolean-function generators, parallel-to-serial converters, and data source selectors
Applications
- Boolean-function generators
- Parallel-to-serial converters
- Data source selectors
- Digital logic circuits requiring multiplexing or demultiplexing functions
- General-purpose digital switching applications
Q & A
- What is the operating voltage range of the SN74HC151DR?
The operating voltage range is from 2 V to 6 V.
- How many data sources can the SN74HC151DR select from?
The device can select from eight data sources.
- What is the typical propagation delay of the SN74HC151DR?
The typical propagation delay is 13 ns.
- What is the maximum output current of the SN74HC151DR?
The maximum output current is ±6 mA at 5 V.
- What are some common applications of the SN74HC151DR?
Common applications include Boolean-function generators, parallel-to-serial converters, and data source selectors.
- What is the maximum junction temperature for the SN74HC151DR?
The maximum junction temperature is 150 °C.
- How many LSTTL loads can the outputs of the SN74HC151DR drive?
The outputs can drive up to 10 LSTTL loads.
- What is the maximum storage temperature for the SN74HC151DR?
The storage temperature range is from -65 °C to 150 °C.
- What is the input current of the SN74HC151DR?
The input current is 1 μA max.
- What are the package options available for the SN74HC151DR?
Available packages include SOIC (D), PDIP (N), SOP (NS), and TSSOP (PW).
