SY89316VMG-TR

Overview

The SY89316VMG-TR is a high-speed differential receiver and buffer operating at frequencies up to 2.5 GHz. It supports 3.3V and 5V power supplies with an industrial temperature range of –40°C to +85°C. The device features internal 75kΩ pull-down resistors on the D and /D inputs, ensuring the Q output defaults to LOW under open input conditions. It utilizes an ultra-small 8-pin MLF® package (2mm × 2mm) with an exposed pad for thermal management.

Feature Summary

• Supports PECL/ECL differential signaling with integrated VBB reference bias voltage for single-ended AC-coupling applications.
• Includes internal 75kΩ pull-down resistors on signal inputs to manage open circuit states.
• Provides functional equivalence to legacy 10k EP compatible buffers while reducing footprint significantly.

Applications

• High-speed clock distribution networks
• PECL/ECL interface buffering
• Single-ended AC-coupled input configurations

Procurement Notes

Verify that the component is sourced from authorized channels due to its status as a Micrel product now under Microchip Technology. Confirm the specific ordering suffix matches the required lead finish and moisture sensitivity level. Ensure compliance with RoHS directives if applicable to the design requirements. Check for any 'Not Recommended for New Designs' notices in current documentation.

Selection Notes

Select this component when a compact solution for PECL or ECL buffering is required. It is suitable for designs needing a 2.5 GHz maximum frequency with low propagation delay. Consider the 8-pin MLF® package constraints regarding PCB thermal dissipation and soldering requirements for the exposed pad connection to the negative supply plane.

Part Context

This part belongs to the Precision Edge SY89306/316V family, which are high-speed differential receivers. The SY89316V variant specifically offers 10k EP compatibility, distinguishing it from the 100k EP compatible SY89306V. Both devices share identical pinouts and electrical characteristics but differ in their legacy logic family compatibility.

Replacement Considerations

The datasheet lists the SY89306VMITR as a related part within the same series. For direct functional substitution in existing designs requiring 100k EP compatibility, the SY89306V may be considered, though the SY89316V is specified for 10k EP compatibility.

FAQ

What happens to the output if the differential inputs are left open?

Under open input conditions, the internal clamps will force the Q output to a LOW state.

How should the VBB pin be handled in AC-coupled applications?

The VBB pin provides a reference voltage (VCC–1.4V) for single-ended AC coupling and must be bypassed to ground via a 0.01 µF capacitor.