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TLK1221RHA The Texas Instruments TLK1221RHA is a gigabit Ethernet transceiver designed for high-speed, full-duplex point-to-point data transmissions. It supports data rates from 0.6 Gbps to 1.3 Gbps.
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TLK1221RHA

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TLK1221RHA is a gigabit Ethernet transceiver designed for high-speed, full-duplex point-to-point data transmissions. It supports data rates from 0.6 Gbps to 1.3 Gbps.
✓ Total Stock: 32 pcs

TLK1221RHA Available from 1 distributor

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Optech Co.,Limited ✓
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32 pcs
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32 pcs On Request 1 On Request On Request 12+ On Request On Request
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TLK1221RHA Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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TLK1221RHA Description

Short technical summary and product information.

The TLK1221RHA from Texas Instruments is a high-performance gigabit Ethernet transceiver. It is engineered for reliable, high-speed, full-duplex point-to-point data transmissions over controlled-impedance media such as PCB traces or copper cables.

 

This transceiver supports data rates ranging from 0.6 Gbps to 1.3 Gbps, adhering to the timing requirements of the IEEE 802.3 Gigabit Ethernet specification. It features a low power consumption of 250 mW (typical) at 1.25 Gbps and operates within an industrial temperature range of -40°C to 85°C.

 

The TLK1221RHA is designed in a 0.25 μm CMOS technology and comes in a 40-pin 6mm x 6mm QFN PowerPAD package. It offers LVPECL-compatible differential I/O on its high-speed interface and 3.3-V tolerant LVTTL inputs, making it versatile for various system designs. The device also includes a comprehensive suite of built-in testability features and hot-plug protection.

 

Key electrical specifications include a supply voltage range of 0.3 V to 3 V, an input voltage range of -0.5 V to 4 V at TTL terminals, and ESD protection up to 2 kV (HBM). Its single monolithic PLL design and requirement for no external filter capacitors simplify implementation.

TLK1221RHA Quick Information

Product Type: Gigabit Ethernet Transceiver
Canonical Name: TLK1221RHA Gigabit Ethernet Transceiver
Subcategory: Gigabit Ethernet Transceiver

TLK1221RHA Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TLK1221RHA Features

  • Gigabit Ethernet transceiver for high-speed data.
  • Supports 0.6 to 1.3 Gbps data rates.
  • Low power consumption at 1.25 Gbps.
  • Industrial temperature range from -40°C to 85°C.
  • Packaged in a 40-pin QFN.

TLK1221RHA Applications

  • Point-to-point data transmission.
  • Building blocks for Ethernet systems.
  • Suitable for PCB trace media.
  • Compatible with copper cable media.
  • Can be used with fiber-optical media.

TLK1221RHA FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the TLK1221RHA?

The supply voltage range is 0.3 V to 3 V, with a nominal 2.5 V for lowest-power operation.

What package does the TLK1221RHA come in?

The TLK1221RHA is offered in a QFN40 package.

What is the operating temperature range of the TLK1221RHA?

The characterized free-air operating temperature range is -40°C to 85°C.

What data rates does the TLK1221RHA support?

The TLK1221RHA supports data rates from 0.6 Gbps to 1.3 Gbps.

What is the typical power consumption of the TLK1221RHA?

Typical power consumption is 250 mW at 1.25 Gbps.

What ESD protection does the TLK1221RHA have?

The device features ESD protection of 2 kV HBM and 1 kV CDM.

What is the storage temperature range for the TLK1221RHA?

The storage temperature range is -65°C to 150°C.

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