Infineon Technologies CYP15G0101DXB-BBC

Overview

CYP15G0101DXB from Cypress Semiconductor Corporation is a single-channel HOTLink II™ transceiver IC for high-speed point-to-point serial communication over fiber, copper, or PCB traces. It operates at 195–1500 MBaud, supports 8B/10B encoding or 10-bit unencoded data, features dual PECL-compatible differential I/O, and delivers low-latency framing with MultiFrame™ receive framer - used in video transmission systems and telecom base-station backplanes.

For engineers reviewing the CYP15G0101DXB datasheet, CYP15G0101DXB pinout, CYP15G0101DXB application, or CYP15G0101DXB equivalent, key selection criteria include SMPTE non-compliance (vs. CYV15G0101DXB), selectable input/output clocking modes, built-in BIST for at-speed link validation, and 100-ball BGA packaging with internal PLLs eliminating external components.

Technical Context

The CYP15G0101DXB implements a fully integrated transmit path with x10/x20 serializer, 8B/10B encoder (bypassable), phase-align buffer, and dual PECL-compatible outputs with source-matched 50 Ω drive and controlled edge rates. Its receive path includes dual differential PECL receivers with internal DC restoration, clock/data recovery PLL, deserializer, MultiFrame™ framer (comma/K28.5 detect, byte alignment), 8B/10B decoder, and elasticity buffer.

It supports synchronous LVTTL parallel I/O with configurable clocking (REFCLK/TXCLK/RXCLK), selectable parity generation/check, JTAG boundary scan, and per-channel link quality indicators (analog/digital signal detect). The device uses 0.25 µm BiCMOS technology and operates from a single 3.3 V supply consuming 1.25 W typical.

Key Specifications

Pinout & Package

Package: 100-ball fine-pitch BGA (11 mm × 11 mm, 0.8 mm pitch), Pb-free option available, 0.25 µm BiCMOS process.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-speed serial transceiver applications.

Compared with CYV15G0101DXB, CYP15G0101DXB trades SMPTE compliance for lower cost and simpler qualification in non-broadcast systems; versus MAX3875, it offers tighter integration (PLL, encoder, framer) at the expense of upper-speed ceiling and I/O standard flexibility.

Availability

CYP15G0101DXB is available at Aetrix Electronics and suitable for video backhaul systems, telecom base-station interconnect, and industrial switch backplanes requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for CYP15G0101DXB includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Cypress Semiconductor Corporation (now part of Infineon Technologies) designs high-performance mixed-signal ICs for connectivity, memory, and programmable systems.

The HOTLink II family targets high-reliability serial interconnect in telecom, broadcast, and industrial infrastructure - emphasizing deterministic latency, built-in diagnostics, and standards-compliant physical layer robustness.

FAQ

What is the key functional difference between CYP15G0101DXB and CYV15G0101DXB?

The CYP15G0101DXB is functionally identical to CYV15G0101DXB except for SMPTE 259M/292M pathological test compliance. CYV passes EG34-1999 tests (e.g., 44-zero bursts); CYP does not. Both share identical pinout, timing, power, and feature set - making CYP suitable for non-broadcast applications where SMPTE certification is unnecessary.

Does CYP15G0101DXB require external termination resistors on its PECL serial I/O?

No. The CYP15G0101DXB integrates source-matching for its OUT1± and OUT2± outputs to drive 50 Ω transmission lines directly, and includes internal DC restoration for IN1± and IN2± inputs. No external bias resistors, terminations, or AC-coupling capacitors are required for standard operation.

Can the 8B/10B encoder/decoder be bypassed, and what is the use case?

Yes - the 8B/10B block can be disabled via TXMODE[1] and DECMODE controls. This allows direct 10-bit unencoded data transfer, useful when external encoding (e.g., scrambling or custom line coding) is applied upstream, or when deterministic latency must exclude encoder/decoder propagation delay.

How is clock domain crossing handled between transmit and receive paths?

The CYP15G0101DXB supports independent clock domains: TXCLK/REFCLK for transmit and recovered RXCLK or local REFCLK for receive. The elasticity buffer absorbs frequency/phase differences, while the phase-align buffer in transmit compensates for skew - enabling reliable operation across asynchronous host subsystems without external FIFOs.