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HEF4049BP The HEF4049BP is a hex inverting buffer from Texas Instruments, offering high current output for driving TTL or capacitive loads. It supports logic level conversion up to 15V.
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HEF4049BP

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Mfr Name: Texas Instruments
Texas Instruments
The HEF4049BP is a hex inverting buffer from Texas Instruments, offering high current output for driving TTL or capacitive loads. It supports logic level conversion up to 15V.
✓ Total Stock: 60 pcs
$ Price Range: $1.20

HEF4049BP Available from 1 distributor

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60 pcs
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HEF4049BP Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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HEF4049BP Description

Short technical summary and product information.

The HEF4049B from Texas Instruments is a versatile hex inverting buffer IC designed for high current output applications. It is suitable for driving TTL logic families or high capacitive loads, providing a guaranteed fan-out of 2 for standard TTL and up to 16 for 74L series.

 

This buffer also excels at logic level conversion, allowing input voltages up to 15V to be converted to standard TTL levels. The device features input protection that permits input voltages exceeding the supply voltage.

 

Available in various package types including 16-lead DIL (plastic and ceramic) and 16-lead SO (plastic), the HEF4049BP is designed for through-hole and surface-mount applications. Its electrical characteristics include specific output sink and source current capabilities at different supply voltages and temperatures, as well as propagation delays and output transition times.

 

Key applications include LOCMOS to DTL/TTL conversion, high sink current driving, and high-to-low level logic conversion.

HEF4049BP Quick Information

Product Type: Hex Inverting Buffer
Series: HEF4000B
Canonical Name: HEF4049B Hex Inverting Buffer
Subcategory: Hex Inverting Buffer

HEF4049BP Compliance

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

HEF4049BP Estimated Pricing

Qty Low High
1+ $1.20 $1.20

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

HEF4049BP Features

  • Provides six inverting buffers.
  • High current output capability.
  • Suitable for driving TTL loads.
  • Supports logic level conversion up to 15V.
  • Input protection allows V_in > V_DD.

HEF4049BP Applications

  • Drive TTL inputs in digital logic circuits.
  • Use as line driver for high-capacitance buses.
  • Ideal for clock and signal buffering.
  • Suitable for industrial control and automation.

HEF4049BP FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output sink current for the HEF4049BP at VDD=10V and 25°C?

The minimum output sink current is 10.0 mA at VDD=10V and 25°C.

What is the typical propagation delay (HIGH to LOW) for the HEF4049BP at VDD=15V?

The typical propagation delay (HIGH to LOW) is 12 ns at VDD=15V with a 50pF load.

What is the guaranteed fan-out for the HEF4049BP when driving 74 LS logic?

The guaranteed fan-out for the HEF4049BP when driving 74 LS logic is 9.

What package options are available for the HEF4049BP?

The HEF4049BP is available in 16-lead DIL (plastic and ceramic) and 16-lead SO (plastic) packages.

What is the RoHS status of the HEF4049BP?

The RoHS status is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the HEF4049BP?

The Moisture Sensitivity Level (MSL) is 1 Unlimited.

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