SY58051AUMG-TR - 10.7Gbps CML AnyGate Logic | Microchip
MPN: SY58051AUMG-TR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.12 | $5.12 |
| 10 | $4.66 | $46.60 |
| 100 | $4.18 | $418.00 |
| 500 | $3.79 | $1,895.00 |
| 1,000 | $3.42 | $3,420.00 |
SY58051AUMG-TR Overview
A universal logic gate is a differential high-speed gate that can be configured to realize many Boolean functions of two variables, such as AND, OR, NAND, NOR, XOR, and XNOR, by strapping or biasing its inputs. Within the signal-chain hierarchy it sits in the logic IC family alongside gates and inverters, but unlike standard CMOS logic it is built on a precision CML (current-mode logic) architecture optimized for multi-gigabit serial links rather than for static power savings.
Key features include differential CML inputs and outputs with internal input and output termination, eliminating external resistor-bias and termination networks; a VT pin that exposes the input termination network for easy AC- or DC-coupled interfacing to multiple logic standards (LVPECL, LVDS, CML); and picosecond-class jitter performance suitable for SONET, Fibre Channel, and 10 Gigabit Ethernet timing budgets.
The internal termination design produces a clean, stub-free interface, reducing reflections and jitter contributions at the package boundary. Because termination is integrated, board designers save the discrete resistor networks typically required at 10 Gbps, improving signal integrity and layout density. The exposed-pad QFN-16 provides a low-inductance ground return essential for CML switching at multi-gigahertz edge rates.
Typical applications include 10G Ethernet and Fibre Channel retiming paths, clock distribution and gating in high-speed test equipment, logic gating in optical module signal chains, and protocol translation between CML, LVDS, and LVPECL domains.
A key design consideration: the VT pin must be biased correctly for the chosen logic standard and coupling mode; AC-coupled CML and DC-coupled LVDS each require different VT configurations per the manufacturer datasheet.
This page synthesizes distributor pricing, drop-in alternatives, pinout guidance, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for SY58051AUMG-TR — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with SY58051AUMG-TR (same form factor and footprint).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
SY58610UMG-TR
✅ Drop-In📋 Reference alternative (not in catalog)
SY58011UMI
✅ Drop-In📋 Reference alternative (not in catalog)
SY58051AUMG
✅ Drop-In✓ In Stock
$13.9 / Unit
View Datasheet →SY58051AUMG-TR Maximum Ratings & Electrical Characteristics
| Logic Function | Configurable universal gate (AnyGate, 2-input Boolean functions) |
| Circuits | 1 |
| Inputs | 2 differential |
| Max Data Throughput | 10.7 Gbps |
| Max Clock Frequency | 8 GHz |
| Output Type | CML, differential, with internal termination |
| Input Termination | Internal, accessible via VT pin |
| Supply Voltage | 2.3 V to 3.465 V (2.5 V / 3.3 V nominal) |
| Operating Temperature | -40C to +85C |
| Interface Standards | CML, LVPECL, LVDS (AC- or DC-coupled) |
| Package | 16-QFN (3x3 mm) with exposed pad |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel (TR) |
| Moisture Sensitivity | MSL rated (per manufacturer datasheet) |
| RoHS Status | Compliant |
| Brand / Family | Microchip Technology (Micrel SY58 series) |
SY58051AUMG-TR 16-qfn (3x3 mm) with exposed pad Pin Configuration Guide
Pin configuration for SY58051AUMG-TR (16-qfn (3x3 mm) with exposed pad package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for SY58051AUMG-TR.
Refer to the datasheet for full pin configuration.
Typical Applications
SY58051AUMG-TR is suitable for 6 applications: 10 Gigabit Ethernet Serial Links, Low-Jitter Clock Distribution and Gating, Optical Module Signal Chains, Logic Standard Translation (CML/LVPECL/LVDS), High-Speed Test and Measurement Equipment, Telecom and Datacom Line Cards.
10 Gigabit Ethernet Serial Links
The SY58051AUMG-TR fits 10GbE and Fibre Channel retiming paths because its guaranteed 10.7 Gbps data throughput exceeds the 10.3125 Gbps line rate of 10GBASE-R with margin. Its CML inputs and outputs with internal termination connect directly to serializer/deserializer (SerDes) pins without external resistor networks, and the VT pin adapts the input bias for AC- or DC-coupled LVDS, LVPECL, or CML sources. Placed in the serial data path for gating, multiplexing, or fan-out, it adds picosecond-class jitter, preserving the overall transmit jitter budget. The exposed-pad QFN-16 provides the low-inductance ground return required at sub-100 ps edge rates.
Recommended
Low-Jitter Clock Distribution and Gating
With 8 GHz guaranteed clock throughput, the SY58051AUMG-TR gates, enables, or combines precision clocks ahead of frequency synthesizers and ADC/DAC sampling clocks. Its CML architecture adds deterministic, picosecond-class jitter rather than the supply-sensitive noise of CMOS gates, protecting phase-noise budgets in jitter-critical converters and PLL loops. Internal input termination accepts LVPECL, LVDS, or CML oscillators directly, and internal output termination drives 50-ohm transmission lines without matching resistors. Used as an AND/OR-style clock gate ahead of the PLL, it prevents glitched clock edges during frequency or source handover in test and measurement systems.
Recommended
Optical Module Signal Chains
In SFP+ and QSFP+ optical transceiver modules, board area and signal integrity are both critical. The SY58051AUMG-TR's integrated input and output termination removes the discrete bias/termination resistor networks normally required between the laser driver/limiting amplifier and the CDR, saving layout area and eliminating stub parasitics that erode eye margin at 10.7 Gbps. The VT pin handles AC-coupled interfaces typical of optical modules. Operating from a single 3.3 V (or 2.5 V) rail within -40C to +85C, it matches module ambient requirements while providing configurable logic gating in the high-speed path.
Recommended
Logic Standard Translation (CML/LVPECL/LVDS)
The SY58051AUMG-TR doubles as a compact level-agnostic interface: its VT-accessible internal termination accepts DC-coupled CML or LVPECL and AC-coupled LVDS sources, and its CML output drives 50-ohm differential lines toward downstream CML inputs. This lets a single QFN-16 device gate or combine signals crossing logic domains in backplanes and instruments without external bias resistor dividers, which at multi-gigabit rates introduce mismatch and stub jitter. Designers select the VT configuration from the SY58051AU datasheet table for the source standard, achieving a clean, stub-free, low-jitter boundary between logic families.
Recommended
High-Speed Test and Measurement Equipment
Oscilloscope, BERT, and pattern-generator front ends use the SY58051AUMG-TR to gate, combine, or steer multi-gigabit trigger and data signals. Its 8 GHz clock / 10.7 Gbps data capability keeps the instrument timing budget intact, while deterministic CML switching keeps added jitter to picoseconds - essential when the instrument itself must characterize jitter. Internal termination simplifies the dense front-end PCB by removing per-channel resistor networks, and the -40C to +85C rating covers bench-to-field environments. The AnyGate's configurability lets one footprint implement different Boolean functions across product variants, reducing BOM diversity.
Recommended
Telecom and Datacom Line Cards
On SONET/SDH and datacom line cards, the SY58051AUMG-TR provides CML gating and combining in retimer, CDR, and framers' high-speed fabric. Its wide 2.3 V to 3.465 V supply range tolerates rail tolerance on crowded cards, and -40C to +85C operation supports telecom temperature classes. Because input termination is internal and VT-configurable, it interfaces cleanly to LVPECL crosspoint outputs and CML SerDes inputs on the same card without glue resistors. Deploying it in redundant-path gating (with SY58610 muxes) improves availability, while the exposed-pad package grounds return currents locally, limiting EMI at gigahertz edge rates.
Recommended
Recommended Products Summary
Engineering reference data for SY58051AUMG-TR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | SY58610UMG-TR | SY58011UMI | SY58051AUMG |
|---|---|---|---|---|
| Package | 16-QFN (3x3 mm) with exposed pad | 16-QFN (3x3 mm) - same | 16-QFN (3x3 mm) - same | 16-QFN (3x3 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Logic Function | Configurable universal gate (AnyGate, 2-input) | Clock/data multiplexer (1:2) | SY58-series CML logic function | Configurable universal gate (identical) |
Key Differentiators
- Configurable AnyGate function in one footprint (vs SY58610UMG-TR)
- 10.7 Gbps guaranteed data throughput (vs SY58011UMI)
- Integrated input and output termination with VT access (vs Generic CML gates (e.g., onsemi NB7V series))
Design Notes
Use the VT pin deliberately. The SY58051AU's internal input termination is exposed on VT so one device can terminate CML, LVPECL, or LVDS sources, AC- or DC-coupled, with no external resistor network. Select the VT bias from the datasheet configuration table for your standard; a wrong VT level reduces input sensitivity and injects deterministic jitter into a 10.7 Gbps path. Keep the VT trace short and local - it is an AC-sensitive bias node, not a spare pin.
Treat outputs as 50-ohm differential transmission lines from the QFN-16 pads onward. Because output termination is internal, do not add external parallel termination resistors - double termination halves the swing. Route D+/D- as tightly coupled length-matched pairs (target skew < 1 ps/mm equivalent), place AC-coupling capacitors (100 nF class) in-series if AC coupling is used, and solder the exposed pad to a solid ground pour with multiple vias to provide the low-inductance return required at sub-100 ps edges.
Decouple VCC with 100 nF ceramic at the pin plus 1 uF bulk nearby. CML tails switch near-constant current, which helps supply noise, but edge transients still couple through bond inductance; a poor decoupling layout shows up directly as jitter on the output eye. Avoid sharing the 3.3 V (or 2.5 V) rail with noisy digital loads; if the rail originates from a switcher, add a ferrite bead pi-filter estimated to attenuate 10-100 MHz ripple before the AnyGate supply pin.
Two frequent mistakes: (1) assuming SY58051AUMG and SY58051AUMG-TR differ electrically - they do not; -TR is only tape-and-reel packing. (2) Substituting SY58610UMG-TR on the same footprint without rewiring - the SY58610 is a multiplexer, not a universal gate, and select pins must be driven. Always confirm the configured Boolean function matches the input strapping, since the AnyGate output depends entirely on how the two inputs and VT are biased.
Compliance Information
RoHS compliance per Microchip standard product listing; detailed REACH/halogen declarations should be confirmed from Microchip's official environmental documents.
