SN74LVTH18646APM

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SN74LVTH18646APM

+Nomenclature

IC SCAN-TEST-DEV/XCVR 64-LQFP

  • FabricantTexas Instruments

  • Pièce fabricant #SN74LVTH18646APM

  • Package 64-LQFP

  • En stock3587

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Spécifications

Attribut Valeur
Supplier Texas Instruments
Package Tray
Series 74LVTH
ProductStatus Active
LogicType ABT Scan Test Device With Transceivers and Registers
SupplyVoltage 2.7V ~ 3.6V
NumberofBits 18
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 64-LQFP

Présentation

Description

SN74LVTH18646APM is TI’s 74LVTH-series 16-bit buffer/driver with tri-state outputs. It contains 16 data buffers (D0–D15) that pass to 16 outputs (Y0–Y15) when an enable is active; when not enabled, all outputs go high impedance. It’s used to buffer a data/address bus or to isolate/between devices that run at different LV-supply voltages (Vcc typically in the 1.65–3.6 V range). Key traits: fast CMOS inputs with TTL-compatible thresholds, low power, and a package variant designated by APM. Typical applications include memory/bus buffering, peripheral interfacing, and data routing between subsystems. For exact pinout, timing, and electrical specs, consult the TI datasheet for SN74LVTH18646APM.

Equivalent

Equivalents are other vendors’ 8‑bit buffers/drivers with 3‑state outputs (octal buffers). Cross references include Nexperia 74LVTH18646, On Semiconductor LVTH family equivalents, and Renesas LVTH parts with the same function. For an exact cross‑reference, please share the package (SOP/TSSOP/etc.) and supply voltage (3.3V/5V); I’ll provide precise alternative part numbers.

Pinout

Pin count: 20 pins (APM package).
Function: Octal bidirectional buffer/driver (8-bit transceiver) with 3-state outputs. It connects two 8-bit buses (A0–A7 and B0–B7); direction is controlled by DIR and outputs are enabled/disabled by OE (tri-state).

Manufacturer

- Manufacturer: Texas Instruments (TI).
- What kind of company: A multinational American semiconductor company that designs and manufactures analog and digital integrated circuits.

Application

Typical application areas for the SN74LVTH18646APM:
- 16-bit bidirectional bus buffering and isolation between microprocessors/memory and peripherals (3-state outputs to prevent bus contention).
- Memory and I/O bus interfacing, buffering data/address lines in embedded systems.
- Backplane/inter-board data paths and bus expansion in consumer, automotive, and telecom equipment.
- Mixed-voltage/bus interfacing (level shifting between different logic families) where fast, low-power 3-state drivers are needed.
Note: It is a high-speed, low-voltage, tri-state bus transceiver/driver suitable for any application requiring a buffered, controllable data bus.

Package

The SN74LVTH18646APM uses a 20‑pin Plastic TSSOP (Thin Shrink Small Outline Package).

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