SN74LVC244ARWPR

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SN74LVC244ARWPR

IC BUF NON-INVERT 3.6V 20X1QFN

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Spezifikationen

Supplier Texas Instruments
Package Tape & Reel (TR),Cut Tape (CT)
Series 74LVC
ProductStatus Active
LogicType Buffer, Non-Inverting
NumberofElements 2
NumberofBitsperElement 4
OutputType 3-State
Current-OutputHighLow 24mA, 24mA
Voltage-Supply 1.65V ~ 3.6V
OperatingTemperature -40°C ~ 125°C (TA)
MountingType Surface Mount
Package/Case 20-XFQFN Exposed Pad

Übersicht

Description

The SN74LVC244ARWPR is an TI 8‑bit buffer/line driver (two 4‑bit banks) in the LVC family. It provides eight non‑inverting buffers with 3‑state outputs, suitable for buffering data buses and isolating devices on a shared line.
Key features
- Two 4‑bit buffers with independent, active‑low output enables (1OE and 2OE) to place outputs in high impedance.
- Supply voltage range: 1.65 V to 3.6 V (CMOS/LVC logic compatible).
- Outputs can drive moderate loads; inputs are CMOS/TTL‑compatible within the Vcc range.
- RoHS compliant, “RWPR” suffix indicates tape‑and‑reel packaging (surface‑mount).
Typical uses
- Buffering data between peripherals and microcontrollers, memory interfaces, or other buses.
- Level isolation/translation between domains operating at compatible voltages within the 1.65–3.6 V range.
In short, it’s a versatile, low‑voltage octal buffer with tri‑state outputs suitable for bus interfacing in mixed‑signal designs.

Features

SN74LVC244ARWPR is an 8-bit buffer/line driver with 3-state outputs. Key features:
- Two 4-bit buffers (8 inputs A[7:0] to outputs Y[7:0]) with non-inverting data transfer (A→Y).
- 3-state outputs controlled by two active-low enables: 1OE and 2OE.
- Voltage range: Vcc 1.65 V to 3.6 V; supports standard CMOS/TTL levels.
- Fast CMOS performance with low power consumption.
- Suitable for bus buffering and interfacing between devices/microprocessors.
- Outputs can be placed in high-impedance state for bus sharing.
- Packages: available in standard TI package types, including tape-and-reel (RWPR variant).
Applications: data bus buffering, memory interfacing, I/O expansion, microcontroller peripherals.

Package

SN74LVC244ARWPR is a 20-pin plastic small-outline package (SOIC) with tape-and-reel packaging (RWPR suffix).

Pinout

- Pin count: 20 pins (20-pin package).
- Function: Octal buffer/line driver with 3-state outputs. It contains two 4‑bit buffers (A1–A4 to Y1–Y4 and A5–A8 to Y5–Y8) with separate output‑enable inputs (OE1, OE2). Data is non-inverting from A to Y, and outputs go to high-impedance when disabled. Suitable for buffering/bus interfacing in low-voltage CMOS (LVC) circuits.

Manufacturer

Manufacturer: Texas Instruments (TI).
Company type: American multinational semiconductor company that designs and manufactures analog, digital, and mixed-signal integrated circuits and related electronics.

Application

SN74LVC244ARWPR is an 8‑bit, non‑inverting buffer/line driver with two 4‑bit sections and tri‑state outputs (A to Y) for two separate OE controls. Applications:
- Interface MCUs/GPUs/FPGA with memory and peripherals
- Buffering data/address buses to reduce CPU fan-out and load
- Bus sharing and multiplexing on multi-master systems
- Level shifting between voltage domains (1.65–3.6V)
- General I/O expansion in consumer, automotive, and industrial electronics
(Uses: fast, low-power, bus buffering in mixed-signal designs.)

Equivalent

Equivalents (octal buffer/line driver, 3-state, 74LVC family):
- Nexperia: 74LVC244A
- STMicroelectronics: 74LVC244A
- Renesas: uPD74LVC244 (Renesas 74LVC244 family)
- ROHM: 74LVC244 (ROHM equivalents)
Note: all are functionally similar 8-bit buffers with 3-state outputs for 3.3V/3.0V logic levels; check exact package and voltage ranges for cross-reference.

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