Overview
The CD74HC4515M96 is a high-speed silicon gate device produced by Texas Instruments. It combines a 4-bit strobed latch and a 4- to 16-line decoder/demultiplexer. This component is part of the HC (High-Speed CMOS) logic family, known for its balanced propagation delay, significant power reduction compared to LSTTL logic ICs, and high noise immunity.
The device operates over a wide temperature range of -55°C to 125°C and can be powered with a supply voltage between 2V and 6V. It is available in a 24-pin SOIC (Small Outline Integrated Circuit) package, making it suitable for various applications requiring compact and reliable logic functions.
Key Specifications
| Parameter | Symbol | Test Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Supply Voltage Range | VCC | - | 2 | - | 6 | V |
| Operating Temperature Range | TA | - | -55 | - | 125 | °C |
| High Level Input Voltage | VIH | VCC = 2V | 1.5 | - | - | V |
| Low Level Input Voltage | VIL | VCC = 2V | - | - | 0.5 | V |
| High Level Output Voltage (CMOS Loads) | VOH | VCC = 2V | 1.9 | - | - | V |
| Low Level Output Voltage (CMOS Loads) | VOL | VCC = 2V | - | - | 0.1 | V |
| Propagation Delay (Select to Outputs) | tPHL, tPLH | CL = 50pF, VCC = 2V | - | - | 275 | ns |
| Input Capacitance | CIN | - | - | - | 10 | pF |
Key Features
- Multifunction Capability: The device functions as both a binary to 1-of-16 decoder and a 1-to-16 line demultiplexer.
- Wide Operating Temperature Range: Operates from -55°C to 125°C.
- High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V.
- Low Power Consumption: Significant power reduction compared to LSTTL logic ICs.
- High-Speed Operation: Balanced propagation delay and transition times.
- Latch Functionality: Includes a 4-bit strobed latch that can be enabled or disabled using the Latch Enable (LE) input.
- Package Options: Available in 24-pin SOIC (Small Outline Integrated Circuit) package.
Applications
- Digital Decoding and Demultiplexing: Ideal for applications requiring the conversion of binary data into a single output line or the distribution of a single input signal across multiple output lines.
- Embedded Systems: Suitable for use in embedded systems that require compact, low-power, and high-speed logic functions.
- Industrial Control Systems: Can be used in industrial control systems where reliable and high-speed logic operations are necessary.
- Communication Systems: Useful in communication systems for signal routing and decoding.
Q & A
- What is the primary function of the CD74HC4515M96?
The primary function is to act as a 4-bit strobed latch and a 4- to 16-line decoder/demultiplexer.
- What is the operating temperature range of the CD74HC4515M96?
The device operates from -55°C to 125°C.
- What is the supply voltage range for the CD74HC4515M96?
The supply voltage range is from 2V to 6V.
- What type of package is the CD74HC4515M96 available in?
The device is available in a 24-pin SOIC (Small Outline Integrated Circuit) package.
- How does the Latch Enable (LE) input function?
The Latch Enable (LE) input controls whether the output follows changes in the inputs or remains at the previous level.
- What is the significance of the Enable (E) input?
The Enable (E) input enables or disables the selection of any output; a low on E enables the output, while a high inhibits it.
- What is the fanout capability of the CD74HC4515M96?
The device can drive up to 10 LSTTL loads.
- How does the device handle noise immunity?
The device has high noise immunity with NIL = 30%, NIH = 30% of VCC at VCC = 5V.
- What are the typical propagation delays for the CD74HC4515M96?
The propagation delay from select to outputs is typically around 275 ns for VCC = 2V and CL = 50pF.
- Is the CD74HC4515M96 RoHS compliant?
Yes, the CD74HC4515M96 is RoHS compliant.
