SN74LVC244ANS Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
SN74LVC244ANS is an octal-channel unidirectional buffer and line driver from Texas Instruments with 3-state outputs, LVC logic family operation from 1.65 V to 3.6 V, and 20-pin SOP packaging for address bus driving and signal isolation in embedded systems.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- SN74LVC244ANS Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74LVC244ANS?
- 8-channel unidirectional buffer and line driver with 3-state outputs
- LVC logic family: VCC range 1.65 V to 3.6 V for low-voltage systems
- Two independent output-enable inputs (OE1, OE2) for flexible bus management
- High output drive strength for driving large capacitive loads on address/data buses
- 20-pin SOP package compatible with standard SMT assembly
- TTL and CMOS input level compatibility for mixed-logic interfacing
What is SN74LVC244ANS used for?
The SN74LVC244ANS is widely used for address bus buffering and signal fanout in microprocessor and FPGA designs operating at 3.3 V or lower supply rails. It isolates system buses from high-capacitance loads such as memory modules and peripheral ICs to preserve signal integrity. The device is also common in level-shifting applications and PCB test fixtures requiring individually enable-controlled buffer banks.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the SN74LVC244ANS datasheet?
SN74LVC244ANS Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74LVC244ANS?
Compatible alternatives and drop-in replacements for SN74LVC244ANS:
Bus Driver, LVC/LCX/Z Series, 8-Func, 4-Bit, True Output, CMOS, PDSO20
Bus Driver, LVC/LCX/Z Series, 8-Func, 4-Bit, True Output, CMOS, PDSO20
Bus Driver, LVC/LCX/Z Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20
Bus Driver, LVC/LCX/Z Series, 8-Func, 4-Bit, True Output, CMOS, PDSO20
Bus Driver, LVC/LCX/Z Series, 8-Func, 4-Bit, True Output, CMOS, PDSO20
Bus Driver, LVC/LCX/Z Series, 8-Func, 4-Bit, True Output, CMOS, PDSO20
Bus Driver, LVC/LCX/Z Series, 8-Func, 4-Bit, True Output, CMOS, PDSO20
Bus Driver, LVC/LCX/Z Series, 2-Func, 4-Bit, True Output, CMOS, PDSO20
Frequently Asked Questions
What supply voltage range does the SN74LVC244ANS support for LVC logic operation?
The SN74LVC244ANS operates over a VCC range of 1.65 V to 3.6 V, making it suitable for 1.8 V, 2.5 V, and 3.3 V digital systems and enabling direct integration with modern low-power microcontrollers and FPGAs without level-shifting.
How do the dual output-enable pins on the SN74LVC244ANS allow flexible bus control?
The SN74LVC244ANS provides two independent active-low output-enable pins (OE1 and OE2), each controlling 4 of the 8 channels independently, allowing the designer to enable or disable half the buffer bank at a time for address or data bus partitioning.
For which embedded system bus applications is the SN74LVC244ANS most commonly selected?
The SN74LVC244ANS is most commonly used to buffer address buses, chip-select lines, and control signal fanout in microprocessor and DSP boards, where up to 8 signals must drive multiple destinations across 3.3 V backplane or PCB traces with minimum propagation delay.
How does the 20-pin SOP package of the SN74LVC244ANS compare to a DIP alternative for space-constrained designs?
The 20-pin SOP package of the SN74LVC244ANS occupies roughly half the PCB area of an equivalent 20-pin DIP, enabling higher component density on space-constrained boards such as USB dongles, IoT gateways, and industrial sensor nodes that cannot accommodate through-hole packages.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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