TLK1221RHARG4
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Texas Instruments TLK1221RHARG4

Manufacturer No:
TLK1221RHARG4
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC TRANSCEIVER FULL 1/1 40VQFN
Delivery:
Payment:
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Product Introduction

Overview

The TLK1221RHARG4 is a gigabit Ethernet transceiver produced by Texas Instruments. This device is designed for high-speed, full-duplex point-to-point data transmissions, supporting data rates from 0.6 Gbps to 1.3 Gbps. It is compliant with the IEEE 802.3 Gigabit Ethernet specification and is particularly suited for applications in Ethernet passive optical networks (EPON), Gigabit Ethernet switches and routers, and wireless base stations. The TLK1221RHARG4 is known for its low power consumption, compact package size, and comprehensive suite of built-in testability features.

Key Specifications

ParameterValue
Data Rate0.6 Gbps to 1.3 Gbps
Supply Voltage2.5 V
Power ConsumptionTypical 250 mW at 1.25 Gbps
Operating Temperature-40°C to 85°C
Package Type40-pin 6-mm × 6-mm QFN PowerPAD™
Interface CompatibilityLVPECL-Compatible Differential I/O
ESD ProtectionCDM: 1 kV, HBM: 2 kV
Input Voltage Range (TTL)-0.5 to 4 V
Input Voltage Range (Other)-0.3 to VDD + 0.3 V

Key Features

  • Low power consumption: Typical 250 mW at 1.25 Gbps
  • LVPECL-Compatible Differential I/O on high-speed interface
  • Single monolithic PLL design
  • Support for 10-bit interface (TBI mode)
  • Fast relock times: Less than 256 ns (typical)
  • No external filter capacitors required
  • Comprehensive suite of built-in testability: Loopback, PRBS generation and verification
  • Hot plug protection
  • 3.3-V tolerant on LVTTL inputs
  • Industrial temperature range: -40°C to 85°C

Applications

The TLK1221RHARG4 is designed for various high-speed data transmission applications, including:

  • Ethernet passive optical networks (EPON) and Gigabit Ethernet passive optical network (GEPON) systems such as OLT and ONU systems
  • Gigabit Ethernet switches and routers
  • Wireless base stations
  • Point-to-point baseband data transmission over controlled-impedance media such as printed-circuit board traces, copper cables, or fiber-optical media

Q & A

  1. What is the typical data rate of the TLK1221RHARG4?
    The TLK1221RHARG4 operates at data rates from 0.6 Gbps to 1.3 Gbps, with a typical rate of 1.25 Gbps.
  2. What is the power consumption of the TLK1221RHARG4?
    The typical power consumption is 250 mW at 1.25 Gbps.
  3. What is the operating temperature range of the TLK1221RHARG4?
    The device operates from -40°C to 85°C.
  4. What type of package does the TLK1221RHARG4 use?
    The device is housed in a 40-pin 6-mm × 6-mm QFN PowerPAD™ package.
  5. Does the TLK1221RHARG4 require external filter capacitors?
    No, the TLK1221RHARG4 does not require external filter capacitors.
  6. What are the key testability features of the TLK1221RHARG4?
    The device includes loopback testing, PRBS generation and verification, and an enable function for ultralow-power idle state.
  7. Is the TLK1221RHARG4 hot plug capable?
    Yes, the TLK1221RHARG4 is designed to be hot-plug capable.
  8. What are the primary applications of the TLK1221RHARG4?
    The primary applications include EPON/GEPON systems, Gigabit Ethernet switches and routers, and wireless base stations.
  9. How does the TLK1221RHARG4 handle clock extraction and data serialization?
    The device uses a single monolithic PLL design and supports the 10-bit interface (TBI mode) for data serialization and deserialization, extracting clock information from the input serial stream.
  10. What is the ESD protection level of the TLK1221RHARG4?
    The device has an ESD protection level of CDM: 1 kV, HBM: 2 kV.

Product Attributes

Type:Transceiver
Protocol:IEEE 802.3
Number of Drivers/Receivers:1/1
Duplex:Full
Receiver Hysteresis:- 
Data Rate:- 
Voltage - Supply:2.3V ~ 2.7V
Operating Temperature:-40°C ~ 85°C
Mounting Type:Surface Mount
Package / Case:40-VFQFN Exposed Pad
Supplier Device Package:40-VQFN (6x6)
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Similar Products

Part Number TLK1221RHARG4 TLK1221RHATG4
Manufacturer Texas Instruments Texas Instruments
Product Status Discontinued at Digi-Key Discontinued at Digi-Key
Type Transceiver Transceiver
Protocol IEEE 802.3 IEEE 802.3
Number of Drivers/Receivers 1/1 1/1
Duplex Full Full
Receiver Hysteresis - -
Data Rate - -
Voltage - Supply 2.3V ~ 2.7V 2.3V ~ 2.7V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C
Mounting Type Surface Mount Surface Mount
Package / Case 40-VFQFN Exposed Pad 40-VFQFN Exposed Pad
Supplier Device Package 40-VQFN (6x6) 40-VQFN (6x6)

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