Overview
The 74HC157D,653 is a quad 2-input multiplexer integrated circuit produced by Nexperia USA Inc. This high-speed IC employs advanced Si gate CMOS technology and is compatible with low-power Schottky TTL circuits. The device features four digital multiplexers, each with two input pins, and is designed to operate over a wide temperature range of -55 °C to 125 °C. It is widely used in various electronic systems for multiplexing data, particularly in applications where multiple data sources need to be transmitted over a single line.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia USA Inc. |
| Part Number | 74HC157D,653 |
| Package Type | 16-SOIC (SOT109-1) |
| Number of Pins | 16 |
| Supply Voltage | 2V to 6V |
| Temperature Range | -55 °C to 125 °C |
| Input Levels | CMOS level |
| ESD Protection | HBM JESD22-A114F exceeds 2000 V, MM JESD22-A115-A exceeds 200 V |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Dimensions | 9.9 mm x 3.9 mm x 1.35 mm |
Key Features
- Low-power dissipation
- Complies with JEDEC standard no. 7A
- Non-inverting data path
- High noise immunity
- ESD protection: HBM JESD22-A114F exceeds 2000 V, MM JESD22-A115-A exceeds 200 V
- Selects 4-bits of data using two sources under a common data select input control
- Enable (E) input pin is active LOW
Applications
The 74HC157 multiplexer IC is primarily used in applications where multiple data sources need to be transmitted over a single line. It is commonly used in:
- Arithmetic Logic Units (ALUs) of computer memory
- Executing Boolean functions
- Communication lines where data multiplexing is required
- Various industrial and automotive applications due to its robust temperature range and low power consumption
Q & A
- What is the 74HC157D,653 used for?
The 74HC157D,653 is a quad 2-input multiplexer IC used for multiplexing data in various electronic systems, particularly in applications where multiple data sources need to be transmitted over a single line.
- How does the 74HC157D,653 work?
The 74HC157D,653 works by using select (S) and enable (E) inputs to choose between two data sources for each of its four multiplexers. A HIGH on the select input selects data source 1, while a LOW selects data source 0. The enable input must be LOW for the outputs to be active.
- What is the operating voltage range of the 74HC157D,653?
The operating voltage range of the 74HC157D,653 is from 2V to 6V.
- What is the temperature range of the 74HC157D,653?
The 74HC157D,653 operates over a temperature range of -55 °C to 125 °C.
- What type of package does the 74HC157D,653 come in?
The 74HC157D,653 comes in a 16-SOIC (SOT109-1) package.
- Is the 74HC157D,653 RoHS compliant?
Yes, the 74HC157D,653 is ROHS3 compliant.
- What is the ESD protection level of the 74HC157D,653?
The 74HC157D,653 has ESD protection exceeding 2000 V for HBM JESD22-A114F and 200 V for MM JESD22-A115-A.
- How many pins does the 74HC157D,653 have?
The 74HC157D,653 has 16 pins.
- What are some common applications of the 74HC157D,653?
Common applications include ALUs of computer memory, executing Boolean functions, and data multiplexing in communication lines.
- How do I use the enable input on the 74HC157D,653?
The enable input (E) must be LOW for the outputs to be active. It can be grounded permanently or controlled by an MCU/MPU to turn the multiplexers on or off as needed.
