
This specific IP macro is designed in TSMC 4nm and can be ported to other technologies upon request using Sofics in-house design tool flow.
DS-TS4N-0V75-D2D-AFE
Key Highlights
- Broad portfolio of IO configurations from a single base architecture
- Modular design enables fast and reliable turnaround and low NRE
- Proven across multiple advanced nodes
- Optimized for performance, power, and area trade-offs
Details
| Parameter | Value |
|---|---|
| VDD | 0.75 V ±10% |
| Temperature Tj | -40 C to 105 C |
Key Features
| Parameter | Value |
|---|---|
| Rise time (10-90)1 | <50 ps |
| Fall time (10-90)1 | <50 ps |
| BER | 1e-24 |
| ESD robustness | 250V HBM |
Area
| Type | Size [μm²] |
|---|---|
| IO/AFE | 6252 |
1 Data measured at receiver pad with identical D2D IO circuit as receiver with 5 dB channel loss at Nyquist.
2 Area strongly depends on required ESD protection level.
Summary
Sofics high-speed interface IP enables robust signal transmission and reception at multi-Gb/s data rates while minimizing loading, distortion, and power consumption. Solutions include high-speed amplifiers, drivers and receivers, analog front-end circuits, CTLEs, T-coils, and low-capacitance ESD protection optimized for advanced technology nodes.
The designs can be tailored to the required bandwidth, signaling standard, load, and voltage domain, combining signal conditioning and ESD protection to maintain signal integrity with minimal impact on interface performance.
Pin Schematic

Features
- Input/output enable
- Single IP block for both organic laminate (<20 mm) and advanced packages (interposer/bridge/hybrid bonding, <5 mm)
- Forwarded clock
- <25×25 μm² area (TX, RX, ODT, ESD)
- Available on request: ODT calibration, variable drive strength, local/remote loopback, lower VDD support
Delivery Information & Formats
- GDSII or Oasis layout files
- Extracted netlist for simulation
- Liberty (.lib) timing models
- Integration and application notes
Example Eye Diagram
Eye diagram at RX when operating at 2 Gbit/s:

Sofics offers a broad portfolio of configurable specialty I/Os enabling flexible integration across multiple voltage domains and applications. Additional variants and features can be supported upon request, allowing fast customization through minimal design changes. For more information, visit www.sofics.com or contact us at bd@sofics.com.
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