Overview
The MC100LVEP14DT, produced by onsemi, is a 2.5V / 3.3V 1:5 differential ECL/PECL/HSTL clock driver designed for high-performance clock distribution. This device is optimized for low skew and accepts two clock sources through an input multiplexer. It supports both differential and single-ended input signals, and it can operate in PECL, NECL, and HSTL modes. The MC100LVEP14DT is particularly useful in applications requiring precise clock distribution across a backplane or a board, ensuring minimal skew and high reliability.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC (PECL Mode) | VEE = 0 V | - | - | 6 | V |
| VEE (NECL Mode) | VCC = 0 V | -6 | - | - | V |
| VI (Input Voltage) | PECL Mode | - | - | 6 | V |
| VI (Input Voltage) | NECL Mode | -6 | - | - | V |
| Propagation Delay (tPLH/tPHL) | - | 300 | 375 | 425 | ps |
| Within-Device Skew | - | 10 | 25 | 50 | ps |
| Device-to-Device Skew | - | 100 | 125 | 150 | ps |
| Maximum Frequency | - | - | > 2 GHz | - | - |
| Operating Temperature Range | - | -40 | - | 85 | °C |
Key Features
- Low skew 1:5 differential driver for precise clock distribution.
- Accepts two clock sources through an input multiplexer.
- Supports ECL/PECL/HSTL input signals, including differential and single-ended inputs.
- Operates in PECL, NECL, and HSTL modes.
- Guarantees low output-to-output skew: 25 ps within device, 100 ps device-to-device.
- Maximum frequency > 2 GHz typical.
- Temperature compensation included.
- Pb-free and RoHS compliant.
- Synchronous common enable (EN) to avoid runt clock pulses.
- LVDS input compatible.
- Open input default state.
Applications
The MC100LVEP14DT is ideal for high-performance clock distribution in various applications, including:
- Backplane and board-level clock distribution.
- High-speed data transmission systems.
- Telecommunication equipment.
- Networking devices.
- High-frequency signal processing systems.
Q & A
- What is the primary function of the MC100LVEP14DT?
The MC100LVEP14DT is a 1:5 differential ECL/PECL/HSTL clock driver designed for high-performance clock distribution.
- What input signal types does the MC100LVEP14DT support?
The device supports both differential and single-ended ECL/PECL/HSTL input signals.
- What are the operating voltage ranges for the MC100LVEP14DT?
The device operates in PECL mode with VCC = 2.375 V to 3.8 V and VEE = 0 V, and in NECL mode with VCC = 0 V and VEE = −2.375 V to −3.8 V.
- What is the maximum frequency the MC100LVEP14DT can handle?
The device can handle frequencies greater than 2 GHz typical.
- How does the MC100LVEP14DT manage skew?
The device guarantees low output-to-output skew, with 25 ps within device and 100 ps device-to-device.
- Is the MC100LVEP14DT Pb-free and RoHS compliant?
Yes, the device is Pb-free and RoHS compliant.
- What is the purpose of the synchronous common enable (EN) feature?
The synchronous common enable (EN) feature avoids runt clock pulses when the device is enabled or disabled.
- Can the MC100LVEP14DT operate with LVDS inputs?
Yes, the device is LVDS input compatible.
- What is the default state of the inputs when they are open?
The default state of the inputs when they are open is defined by the device's open input default state feature.
- What is the thermal resistance of the MC100LVEP14DT in a TSSOP-20 package?
The thermal resistance (junction-to-ambient) for the TSSOP-20 package is 140 °C/W at 0 lfpm and 100 °C/W at 500 lfpm.
