MC100EL12DT

Product Overview

• Category: Integrated Circuit
• Use: Signal Level Translator
• Characteristics: High-speed, Differential Input/Output, ECL Logic
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Translates logic levels between ECL (Emitter-Coupled Logic) and TTL (Transistor-Transistor Logic) circuits
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: -4.2V to -5.7V
• Input Voltage Range: -3.0V to -5.7V
• Output Voltage Range: -3.0V to -5.7V
• Propagation Delay: 1.6ns (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MC100EL12DT has the following pin configuration:

```

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| | --| VCC GND |-- Pin 1: Power Supply (+5V) --| IN INB |-- Pin 2: Differential Input --| OUT OUTB |-- Pin 3: Differential Output --| VREF NC |-- Pin 4: Reference Voltage / No Connection |___________| ```

Functional Features

• Translates TTL input signals to ECL output signals and vice versa
• Provides high-speed signal level translation with minimal propagation delay
• Supports differential input and output for improved noise immunity
• Operates within a wide temperature range (-40°C to +85°C)

Advantages and Disadvantages

Advantages: - High-speed translation between ECL and TTL logic levels - Differential signaling improves noise immunity - Wide operating temperature range allows for versatile applications

Disadvantages: - Limited to translating between ECL and TTL logic levels only - Requires external power supply for operation

Working Principles

The MC100EL12DT is designed to translate logic levels between ECL and TTL circuits. It utilizes differential signaling to improve noise immunity and provides high-speed translation with minimal propagation delay. The device operates by comparing the input voltage levels against a reference voltage, and based on the comparison result, it generates the corresponding output voltage levels.

Application Field Plans

The MC100EL12DT can be used in various applications that require signal level translation between ECL and TTL logic. Some potential application fields include:

1. Telecommunications: Translating signals between ECL-based communication systems and TTL-based devices.
2. Data Communication: Enabling compatibility between ECL and TTL interfaces in networking equipment.
3. Test and Measurement: Facilitating signal translation in test equipment that operates with different logic families.
4. Industrial Automation: Integrating ECL and TTL components in control systems for improved compatibility.

Alternative Models

• MC100EL11DT: Similar functionality, but with single-ended input/output instead of differential.
• MC100EL13DT: Provides additional features such as adjustable output voltage levels.
• MC100EL14DT: Offers higher speed and lower propagation delay compared to MC100EL12DT.

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