Overview
The TLK2541PFPRG4, produced by Texas Instruments, is a high-speed serializer/deserializer (SerDes) device designed for point-to-point data transmission systems. This component is particularly suited for Ethernet passive optical network (EPON) optical line terminals (OLT) and supports data rates ranging from 1 to 2.6 Gigabits Per Second (Gbps). It offers independent transmit and receive channels, enabling asynchronous data rate operation, which is crucial for flexible and efficient data transmission in various network applications.
Key Specifications
| Specification | Details |
|---|---|
| Data Rate | 1 to 2.6 Gbps |
| Parallel Data Interface | Selectable 10 or 20 bit Parallel TTL Compatible |
| Power Supply | 2.5-V |
| Power Consumption | Less than 625 mW |
| Operating Temperature | –40°C to 85°C |
| Package Type | 80-Pin TQFP (High-Performance) |
| Input/Output Compatibility | 3 V Tolerance on Parallel Data Input Signals |
| Receiver Differential Input Thresholds | 200 mV Minimum |
| Integrated Features | 50-Ω Termination Resistors on RX, Hot-Plug Protection, Transmit FIFO |
Key Features
- Independent transmit and receive channels for asynchronous data rate operation
- Selectable 10 or 20 bit parallel TTL compatible data interface
- Fast relock at 1.25 Gbps and 2.5 Gbps for EPON OLT applications
- Programmable preemphasis levels on serial output
- Internal loopback capability for self-test purposes
- Hot-plug protection and on-chip power-on reset circuit
- Integrated 50-Ω termination resistors on RX
- Low power operation with a 2.5-V supply, consuming less than 625 mW
Applications
- Next Generation EPON OLT Systems
- Optical Line Terminals (OLT) for FTTx networks supporting internet, voice, and HDTV triple-play services
- Replacement of parallel data transmission architectures to reduce the number of traces, connector terminals, and transmit/receive terminals
- Baseband data transmission over controlled impedance media such as printed-circuit boards, copper cables, or fiber-optic cables
Q & A
- What is the data rate range of the TLK2541PFPRG4?
The TLK2541PFPRG4 supports data rates ranging from 1 to 2.6 Gbps.
- What type of parallel data interface does the TLK2541PFPRG4 support?
The device supports a selectable 10 or 20 bit parallel TTL compatible data interface.
- What is the power supply voltage for the TLK2541PFPRG4?
The power supply voltage is 2.5-V.
- How much power does the TLK2541PFPRG4 typically consume?
The device typically consumes less than 625 mW.
- What is the operating temperature range of the TLK2541PFPRG4?
The operating temperature range is –40°C to 85°C.
- What type of package does the TLK2541PFPRG4 come in?
The device comes in an 80-Pin TQFP (High-Performance) package.
- Does the TLK2541PFPRG4 support hot-plug protection?
- What are some of the integrated features of the TLK2541PFPRG4?
The device includes integrated 50-Ω termination resistors on RX, hot-plug protection, and a transmit FIFO.
- Can the TLK2541PFPRG4 be used for self-testing?
- What are some common applications of the TLK2541PFPRG4?
