SN74AVCH8T245DGVR

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SN74AVCH8T245DGVR

IC TRANSLATION TXRX 3.6V 24TVSOP

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Spécifications

Supplier Texas Instruments,Rochester Electronics, LLC
Package Tape & Reel (TR),Cut Tape (CT),Bulk
Series 74AVCH
ProductStatus Active
LogicType Translation Transceiver
NumberofElements 2
NumberofBitsperElement 8
OutputType 3-State
Current-OutputHighLow 12mA, 12mA
Voltage-Supply 1.2V ~ 3.6V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 24-TFSOP (0.173, 4.40mm Width)

Vue d'ensemble

Description

SN74AVCH8T245DGVR is an 8-bit bidirectional bus transceiver with tri-state outputs from TI. It links two 8-bit buses (A0–A7 and B0–B7) and transfers data in either direction controlled by DIR: A→B when DIR=0, B→A when DIR=1. OE is an active-low enable that places the outputs in high-impedance when deasserted. Features include bus-hold on inputs for line stability and dual-supply operation (VCCA and VCCB) that enables level shifting between two voltage domains. This makes it useful for interfacing components running at different logic voltages and for buffering or isolating microprocessor/microcontroller buses, memory interfaces, and general data routing. The DGVR suffix specifies the TI package variant for this device. For exact electrical specs (voltage ranges, current, delays) and operating conditions, refer to the TI datasheet.

Features

SN74AVCH8T245DGVR is an 8-bit bidirectional bus transceiver with 3-state outputs. Key features:
- 8-bit bidirectional A/B buses with DIR control (A↔B data flow)
- Global 3‑state outputs controlled by /OE (enable/disable all lines)
- Bus-hold on all data inputs to prevent floating when not driven
- Ioff support for partial-power-down applications (no back-powering)
- High-speed CMOS technology; supply range 1.65 V to 5.5 V (AVCH family)
- TTL/CMOS-compatible input thresholds (on applicable pins) and robust operation across Vcc range
- Suitable for buffering, level interfacing, and bus isolation between devices
Package: DGVR (20-pin small-outline package).

Package

20-pin VSSOP (Very-Small-Outline Package).

Pinout

- Pin count: 20 pins.
- Function: 8-bit bidirectional bus transceiver with 3-state outputs. It transfers data between two 8-bit buses (A and B) controlled by DIR; the outputs are enabled/disabled by /OE (tri-stated when disabled).

Manufacturer

- Manufacturer: Texas Instruments (TI).
- About the company: TI is an American multinational corporation that designs and manufactures semiconductors and integrated circuits (analog, mixed-signal, and digital), and is one of the world’s largest semiconductor companies, headquartered in Dallas, Texas.

Application

Applications:
- 8-bit bidirectional bus transceiver for data/address lines
- Interfaces between devices on different voltage domains
- Level shifting and buffering for microcontrollers, memories, DSPs, and FPGAs
- Bus isolation in shared backplanes
- I/O expansion and fan-out reduction in portable/low-power systems

Equivalent

Equivalent devices are other 8-bit bidirectional bus transceivers with 3-state outputs. Common cross-references include:
- 74HC245 / 74HCT245 (standard CMOS/TTL-input variants)
- 74AVCH8T245 family equivalents from NXP/Nexperia and other vendors (74AVCHxT245)
- Similar 8-bit transceivers such as 74VHC8T245 variants
Note: exact pinout/package may differ; use the distributor’s cross-reference or TI’s cross-reference tool to confirm compatibility.

Expédition

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DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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