Overview
The SN65ELT23DR is a low-power dual PECL-to-TTL translator device produced by Texas Instruments. This device is designed to convert differential PECL (Positive Emitter-Coupled Logic) signals to TTL (Transistor-Transistor Logic) levels, making it suitable for various high-speed data and clock transmission applications. The SN65ELT23DR is housed in an industry-standard SOIC-8 package and is known for its low power consumption and high performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range | 4.75 to 5.25 | V |
| Operating Temperature Range | -40 to 85 | °C |
| Maximum Switching Frequency | 250 | MHz |
| Propagation Delay | 3.5 (typical) | ns |
| Output Current (Continuous) | 50 | mA |
| Output Current (Surge) | 100 | mA |
| Input Voltage Swing | 200 to 1000 | mV |
| Internal Pull-Down Resistor | 50 kΩ | |
| Package Type | SOIC-8 |
Key Features
- Dual 5-V differential PECL-to-TTL buffer
- Support for clock frequencies up to 250 MHz (typical)
- Low power consumption with a typical power supply current of 25 mA
- 3.5-ns typical propagation delay
- Output default low with inputs left open or below 1.3 V
- Internal 50-kΩ pull-down resistor on inputs
- Built-in temperature compensation
- Drop-in compatible with the MC100ELT23
Applications
The SN65ELT23DR is suitable for a variety of applications, including:
- Data and clock transmission over backplanes
- Signaling level conversion for clock or data signals
- High-speed data transmission systems
- Telecommunication equipment
- Networking devices
Q & A
- What is the primary function of the SN65ELT23DR?
The primary function of the SN65ELT23DR is to convert differential PECL signals to TTL levels. - What is the operating voltage range of the SN65ELT23DR?
The operating voltage range is from 4.75 V to 5.25 V. - What is the maximum switching frequency supported by the SN65ELT23DR?
The device supports clock frequencies up to 250 MHz. - What is the typical propagation delay of the SN65ELT23DR?
The typical propagation delay is 3.5 ns. - What type of package is the SN65ELT23DR available in?
The SN65ELT23DR is available in an SOIC-8 package. - Does the SN65ELT23DR have built-in temperature compensation?
Yes, the device includes built-in temperature compensation. - What is the purpose of the internal 50-kΩ pull-down resistor?
The internal 50-kΩ pull-down resistor ensures that the inputs default to a known logic low level when left open or below 1.3 V. - Is the SN65ELT23DR compatible with other devices?
Yes, it is drop-in compatible with the MC100ELT23. - What are some common applications of the SN65ELT23DR?
Common applications include data and clock transmission over backplanes, signaling level conversion, high-speed data transmission systems, telecommunication equipment, and networking devices. - What is the operating temperature range of the SN65ELT23DR?
The operating temperature range is from -40°C to 85°C.
