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SN74LS244N The Texas Instruments SN74LS244N is an octal buffer with non-inverting, 3-state outputs. It operates from a 4.75V to 5.25V supply and is suitable for through-hole mounting.
Mfr Part #:

SN74LS244N

Available from 10 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments SN74LS244N is an octal buffer with non-inverting, 3-state outputs. It operates from a 4.75V to 5.25V supply and is suitable for through-hole mounting.
✓ Total Stock: 4,384 pcs
$ Price Range: $0.65

SN74LS244N Available from 10 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
2,500 pcs
On Request
2500 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,619 pcs
On Request
1619 pcs On Request 1 On Request On Request On Request On Request On Request
Partservice ✓
Non-Authorised Inventory information
105 pcs
On Request
105 pcs On Request 1 On Request On Request On Request On Request On Request
ACK ELEKTRONIK ✓
Non-Authorised Inventory information
40 pcs
On Request
40 pcs On Request 1 On Request On Request On Request On Request On Request
Chanetech ✓
Non-Authorised Inventory information
35 pcs
On Request
35 pcs On Request 1 On Request On Request On Request On Request On Request
Tomark Electronics Ltd ✓
Non-Authorised Inventory information
27 pcs
On Request
27 pcs On Request 1 On Request On Request On Request On Request On Request
DYNACO PRODUCTS ✓
Non-Authorised Inventory information
20 pcs
On Request
20 pcs On Request 1 On Request On Request On Request On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
19 pcs
On Request
19 pcs On Request 1 On Request On Request On Request On Request On Request
Speed Components Ltd ✓
Non-Authorised Inventory information
17 pcs
On Request
17 pcs On Request 1 On Request On Request On Request On Request On Request
Hybrid Electronics ✓
Non-Authorised Inventory information
2 pcs
On Request
2 pcs On Request 1 On Request On Request NO DC On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

SN74LS244N Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Hysteresis
Logic Type
Mounting Type
Number of Bits per Element
Number of Elements
Operating Temperature
Output Type
SVHC Present
Supplier Device Package
Supplier Package
Voltage
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SN74LS244N Description

Short technical summary and product information.

The SN74LS244N from Texas Instruments is an octal buffer and line driver designed for improved performance and density in bus-oriented applications. It features 8 channels with non-inverting, 3-state outputs, making it ideal for driving memory address registers, clock drivers, and bus transceivers.

 

This device operates within a supply voltage range of 4.75V to 5.25V and has an operating temperature range of 0°C to 70°C. Key electrical characteristics include a maximum propagation delay of 15 ns at 5V, PNP inputs to reduce DC loading, and hysteresis at the inputs for improved noise margins. The outputs can drive terminated lines down to 133 Ω.

 

The SN74LS244N is packaged in a 20-pin Dual In-line Package (PDIP) with a 0.300" lead spacing, designed for through-hole mounting. Its 3-state outputs allow multiple devices to share a common bus line, with output control inputs enabling or disabling the outputs as needed.

 

This buffer is well-suited for applications requiring high-speed data buffering and bus interfacing in digital systems. Its robust design and clear specifications make it a reliable choice for various electronic designs.

SN74LS244N Quick Information

Product Type: Buffer
Canonical Name: SN74LS244N Octal Buffer/Line Driver with 3-State Outputs
Subcategory: Buffer

SN74LS244N Compliance

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

SN74LS244N Estimated Pricing

Qty Low High
1+ $0.65 $0.65

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

SN74LS244N Features

  • Octal buffer with 3-state outputs.
  • Non-inverting logic type.
  • Operates from 4.75V to 5.25V.
  • Through hole mounting.
  • Wide operating temperature range.

SN74LS244N Applications

  • For bus interface and line driving.
  • Used in memory address buffering.
  • Suitable for TTL logic level shifting.
  • For driving terminated transmission lines.
  • Use in microprocessor address/data buffering.

SN74LS244N FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the SN74LS244N?

The operating voltage range is 4.75V to 5.25V.

What is the operating temperature range?

0°C to 70°C ambient temperature.

What is the package type and mounting style?

20-DIP (0.300", 7.62mm) through-hole package, also known as 20-PDIP.

How many channels does the SN74LS244N have?

It has 8 channels configured as two 4-bit elements.

What is the maximum propagation delay?

15 ns at 5V supply.

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