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ST2129QTR The STMicroelectronics ST2129QTR is a 2-bit dual supply level translator designed for multi-voltage systems. It offers bidirectional level translation without a direction control pin.
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ST2129QTR

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Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics ST2129QTR is a 2-bit dual supply level translator designed for multi-voltage systems. It offers bidirectional level translation without a direction control pin.
✓ Total Stock: 36,160 pcs
$ Price Range: $0.12

ST2129QTR Available from 1 distributor

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✓ Non-Authorised
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Romaks Technologies ✓
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36,160 pcs
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ST2129QTR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Channel Type
Channels per Circuit
Data Rate
Features
Mounting Type
Number of Circuits
Operating Temperature
Output Type
Supplier Device Package
Translator Type
Voltage
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ST2129QTR Description

Short technical summary and product information.

The STMicroelectronics ST2129QTR is a 2-bit dual supply level translator that facilitates data transfer in systems with multiple voltage levels. It accepts VL from 1.65V to 3.6V and VCC from 1.65V to 5.5V, making it suitable for interfacing low-voltage ASICs/PLDs with higher voltage systems.

 

Key features include bidirectional level translation without a direction control pin, a maximum data rate of 89Mbps, and a 5.5V tolerant enable pin. The device also supports a power-down mode when VCC is off or the device is disabled via the OE pin, with all I/Os entering a high impedance state.

 

This level translator is available in a compact 10-QFN package measuring 1.8 x 1.4 mm, suitable for surface mounting. Its applications include low voltage system level translation, mobile phones, and other mobile devices.

 

The ST2129QTR operates within a temperature range of -40°C to 85°C (TA) and offers ESD protection on all pins with ±2 kV HBM performance.

ST2129QTR Quick Information

Product Type: Level Translator
Canonical Name: ST2129 2-bit Dual Supply Level Translator
Subcategory: Bidirectional

ST2129QTR Compliance

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

ST2129QTR Estimated Pricing

Qty Low High
1+ $0.12 $0.12

Estimated market price range - modelled values for guidance only, not live distributor offers.

ST2129QTR Features

  • Bidirectional level translation without direction control.
  • Wide voltage range: VL 1.65V-3.6V, VCC 1.65V-5.5V.
  • Maximum data rate of 89Mbps.
  • Power down mode with high impedance outputs.
  • Compact 10-QFN (1.8x1.4mm) package.

ST2129QTR Applications

  • Low voltage system level translation
  • Mobile phones and other mobile devices
  • Data transfer between low-voltage ASICs and higher voltage systems
  • Bidirectional level shifting without direction control pin

ST2129QTR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ST2129QTR?

The VL supply voltage range is 1.65V to 3.6V, and the VCC supply voltage range is 1.65V to 5.5V.

What packages are available for the ST2129QTR?

It is available in 10-QFN (1.8x1.4) and 10-UFQFN packages, both surface mount.

What is the operating temperature range?

-40°C to 85°C

What is the maximum data rate of the ST2129QTR?

The maximum data rate is 89 Mbps. Additionally, at VL=1.8V and VCC=3.3V, a data rate of 42 MHz (84 Mbps) is specified.

How many channels does the ST2129QTR have?

It has 1 circuit with 2 channels per circuit, providing 2 bidirectional channels.

Does the ST2129QTR require a direction control pin?

No, it features auto-direction sensing, eliminating the need for a direction control signal.

What is the ESD performance of the ST2129QTR?

It is rated for ±2 kV HBM (Human Body Model).

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