Overview
The MC100LVEL11DT is a 3.3V ECL (Emitter-Coupled Logic) 1:2 differential fanout buffer produced by ON Semiconductor. This device is functionally similar to the E111 but offers higher performance capabilities, making it ideal for applications requiring superior AC performance. The MC100LVEL11DT features improved within-device skews and output transition times compared to its predecessor, ensuring high bandwidth output transitions and stability under various input conditions.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Propagation Delay (tPLH/tPHL) | 235 | 330 | 405 | ps |
| Within-Device Skew (tSKEW) | 5 | 5 | 20 | ps |
| Maximum Toggle Frequency (fmax) | 1.0 | 2.0 | 2.0 | GHz |
| Input HIGH Voltage (VIH) | 2135 | 2420 | 2420 | mV |
| Input LOW Voltage (VIL) | 1490 | 1825 | 1825 | mV |
| Output HIGH Voltage (VOH) | 2215 | 2295 | 2420 | mV |
| Output LOW Voltage (VOL) | 1470 | 1605 | 1745 | mV |
| Power Supply Current (IEE) | 24 | 28 | 30 | mA |
| ESD Protection | >4 KV HBM, >200 V MM | |||
| Operating Range (PECL Mode) | VCC = 3.0 V to 3.8 V, VEE = 0 V | |||
| Operating Range (NECL Mode) | VCC = 0 V, VEE = –3.0 V to –3.8 V |
Key Features
- High Performance: Improved within-device skews and output transition times compared to the E111 device.
- Stability Under Open Input Conditions: Differential inputs employ clamping circuitry to maintain stability when inputs are left open or pulled to VEE.
- Low Skew: Within-device skew of 5 ps.
- High Bandwidth Output Transitions: Ensures high-speed data transmission.
- ESD Protection: Greater than 4 KV HBM and greater than 200 V MM.
- Temperature Compensation: Part of the 100 Series with built-in temperature compensation.
- Internal Input Pulldown Resistors: Q output defaults to LOW when inputs are open or at VEE.
- Compliance with JEDEC Spec: Meets or exceeds JEDEC Spec EIA/JESD78 IC Latchup Test.
- Moisture Sensitivity Level 1: Suitable for a wide range of environmental conditions.
- Flammability Rating: UL–94 code V–0 @ 1/8” and Oxygen Index 28 to 34.
Applications
The MC100LVEL11DT is suitable for various high-speed digital applications requiring low skew and high bandwidth, such as:
- Telecommunications Equipment: High-speed data transmission and signal processing.
- Data Networking Equipment: Switches, routers, and other network devices.
- High-Speed Computing Systems: Servers, workstations, and other computing hardware.
- Test and Measurement Equipment: High-speed signal generation and analysis.
- Aerospace and Defense Systems: High-reliability and high-performance applications.
Q & A
- What is the primary function of the MC100LVEL11DT?
The MC100LVEL11DT is a 3.3V ECL 1:2 differential fanout buffer, designed to distribute high-speed differential signals with minimal skew.
- What are the key improvements over the E111 device?
The MC100LVEL11DT has improved within-device skews and output transition times compared to the E111 device.
- What is the propagation delay of the MC100LVEL11DT?
The propagation delay (tPLH/tPHL) is typically 330 ps, with a range of 235 ps to 405 ps.
- How does the device handle open input conditions?
The differential inputs employ clamping circuitry to maintain stability under open input conditions, causing the Q outputs to go LOW.
- What is the within-device skew of the MC100LVEL11DT?
The within-device skew is 5 ps.
- Does the MC100LVEL11DT have ESD protection?
Yes, it has ESD protection greater than 4 KV HBM and greater than 200 V MM.
- What are the operating voltage ranges for PECL and NECL modes?
For PECL mode, VCC = 3.0 V to 3.8 V with VEE = 0 V. For NECL mode, VCC = 0 V with VEE = –3.0 V to –3.8 V.
- Is the MC100LVEL11DT compliant with any specific JEDEC specifications?
Yes, it meets or exceeds JEDEC Spec EIA/JESD78 IC Latchup Test.
- What is the moisture sensitivity level of the MC100LVEL11DT?
The moisture sensitivity level is 1.
- What are the typical applications of the MC100LVEL11DT?
It is used in telecommunications equipment, data networking equipment, high-speed computing systems, test and measurement equipment, and aerospace and defense systems.
