74LCX541FT

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74LCX541FT

+Nomenclature

IC BUF NON-INVERT 3.6V 20TSSOP

  • FabricantToshiba Semiconductor et stockage

  • Pièce fabricant #74LCX541FT

  • Package TSSOP-20

  • En stock4983

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Spécifications

Attribut Valeur
Supplier Toshiba Semiconductor and Storage
Package / Case Tape & Reel (TR),Cut Tape (CT)
Series TC74LCX
Part Status Obsolete
Logic Type Buffer, Non-Inverting
Number of Elements 1
Number of Bits per Element 8
Output Type 3-State
Current - Output High Low 24mA, 24mA
Voltage - Supply 1.65V ~ 3.6V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount

Présentation

Description

74LCX541FT is an octal D-type latch with tri-state outputs in the 74LCX CMOS family. It buffers eight data lines (D0–D7) to eight outputs (Q0–Q7). A latch-enable (LE) input makes the device transparent (Q follows D) when asserted; when LE is deasserted, it holds the last latched value. An output-enable (OE) input tri-states the eight outputs, allowing a common bus to be shared with other devices. The LCX family provides low-power, high-speed operation at a typical supply range around 2.0–3.6 V and TTL-compatible input thresholds. Common uses include buffering data between a microcontroller and peripherals, bus isolation, and expanding data-bus drive capability in digital systems.

Equivalent

Equivalents to 74LCX541FT (8-bit transparent latch with 3-state outputs) include: TI SN74LCX541, SN74LVC541, SN74HC541, SN74HCT541, SN74ALS541; NXP/Philips 74AHC541, 74AHCT541; and On Semiconductor 74ALVC541 / 74LVC541 variants. Check supply voltage (3.3/5V) and timing; pinout is typically compatible.

Pinout

- Pin count: 20 pins (DIP or equivalent 20‑pin package, e.g., SOIC/TSSOP variants like FT suffix devices).
- Function: Octal buffer/line driver with 3‑state outputs. It buffers 8 data inputs (A0–A7) to 8 outputs (Y0–Y7) with a global output‑enable input that tri‑states all outputs when asserted. It is non‑inverting (Y follows A when enabled).

Manufacturer

Manufacturer: Nexperia (formerly part of Philips/NXP; now an independent global semiconductor company).
What kind of company: A Dutch-based, global supplier of semiconductors, specializing in logic, discrete, and protection devices and related ICs.

Application

74LCX541FT is an octal (8-bit) transparent latch with 3-state outputs. Typical applications:
- 8-bit data/address buffering and storage in digital systems
- Bus interfacing between microprocessors/microcontrollers and peripherals or memory
- Glue logic for decoding, timing, and decoupling between devices
- Memory address latching and gating to display drivers or other peripherals
Why it’s useful: provides temporary storage with tri-state outputs to share a common bus. Features enabling use: latch enable and 3-state output enable.

Package

It comes in a 20-pin surface-mount package, specifically a TSSOP-20 (Pb-free).

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