SN74HCS541QPWRQ1

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SN74HCS541QPWRQ1

AUTOMOTIVE OCTAL BUFFERS AND LIN

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規格

Supplier Texas Instruments
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
LogicType Buffer, Non-Inverting
NumberofElements 1
NumberofBitsperElement 8
InputType Schmitt Trigger
OutputType 3-State
Current-OutputHighLow 7.8mA, 7.8mA
Voltage-Supply 2V ~ 6V
OperatingTemperature -40°C ~ 125°C (TA)
MountingType Surface Mount
Package/Case 20-TSSOP (0.173, 4.40mm Width)

概述

Description

SN74HCS541QPWRQ1 is an 8-bit buffer/line driver with 3-state outputs from Texas Instruments’ SN74HCS family. It buffers eight data inputs to eight outputs and includes a control input that places all outputs in a high-impedance state, allowing bus sharing with other devices. It is a high-speed CMOS device designed for 5V logic with TTL-compatible inputs, offering low power and fast switching. The QPWRQ1 suffix denotes a lead-free package option. Typical uses include buffering data between logic devices, widening a data bus, or isolating devices in digital systems where multiple drivers may contend for a bus.

Features

SN74HCS541QPWRQ1 features:
- Octal buffer/driver with 3-state outputs (8-bit, non-inverting)
- Two enable inputs (G1 and G2) to place outputs in high-impedance for bus sharing
- High-Speed CMOS (HCS) family for fast operation
- Wide supply range: Vcc 2V–6V (suitable for 3.3V and 5V systems)
- CMOS/TTL-compatible inputs
- Low static power consumption
- Outputs suitable for driving bus lines and interfacing digital devices
- ESD protection on inputs/outputs
- Packaging: RoHS-compliant PowerPAD/QPWRQ1 variant (16-pin) suitable for compact, high-performance designs
Typical use: buffering/busing data between microprocessors, memories, and peripherals, and interfacing between different logic levels.

Package

PowerPAD exposed-pad package (20-pin) from TI; RoHS Pb-free (Q1 suffix).

Pinout

Pin count: 20 pins (DIP/SOIC 20-pin package).
Function: SN74HCS541QPWRQ1 is an octal buffer/driver with 3-state outputs (noninverting). It buffers eight data inputs to eight outputs and uses a common enable input to place all outputs in high impedance when disabled.

Manufacturer

- Manufacturer: Texas Instruments (TI).
- What kind of company: TI is a multinational American semiconductor company that designs and manufactures analog and digital integrated circuits and other electronic components. It is one of the largest semiconductor companies in the world.

Application

SN74HCS541QPWRQ1 is an 8-bit buffer/driver with 3-state outputs. Applications include:
- Buffering data/address buses between CPUs/microcontrollers and memory or peripherals
- Bus isolation and fan-out expansion on multi-device systems or backplanes
- Tri-state bus driving to prevent contention in shared buses
- CMOS-TTL interfacing and level shifting between logic families
- General data path buffering in high-speed digital systems to reduce loading and reflections

Equivalent

Equivalent parts (pin- and function-compatible) include:
- TI SN74HC541
- TI SN74HCT541
- ON Semiconductor MC74HCS541
- ON Semiconductor MC74HC541
- Nexperia/ST 74HCS541 / 74HC541
- 74ALS541
Note: verify package type (DIP20/SOIC20), supply voltage range, and OE polarity when substituting.

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