MC74HC4851ADTR2G

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MC74HC4851ADTR2G

+Nomenclature

IC MUX/DEMUX 8X1 16TSSOP

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Spécifications

Attribut Valeur
Supplier onsemi,Rochester Electronics, LLC
Package / Case Tape & Reel (TR),Cut Tape (CT),Bulk
Part Status Active
Multiplexer / Demultiplexer Circuit 8:1
Number of Circuits 1
On - State Resistance(Max) 400Ohm
Voltage - Supply, Single (V+) 2V ~ 6V
Channel Capacitance(CS(off)CD(off)) 40pF
Current - Leakage(IS(off))(Max) 100nA
Operating Temperature -55°C ~ 125°C (TA)
Mounting Type Surface Mount

Présentation

Description

MC74HC4851ADTR2G is an 8-bit bidirectional buffer/transceiver from the 74HC family (Motorola/ON Semiconductor lineage). It provides two 8-bit buses with:
- Direction control (DIR) to choose data flow (A→B or B→A)
- Output enable (OE) to place outputs in high-impedance for bus sharing
Key points:
- 8-bit, tri-state, octal device suitable for bus transfer and level-shifting applications
- CMOS 74HC logic, typically low power, and compatible with standard logic levels
- Operates from a single supply in the CMOS 2–6 V range (per HC family)
- Used for interfacing microcontrollers, peripherals, or mixed-voltage buses
Package code ADTR2G indicates RoHS-compliant, tape-and-reel packaging. Pin count is typical for an octal device (around 20 pins). For exact electrical specs (voltage, current, propagation delay), timing diagrams, and pinout, refer to the official datasheet.

Equivalent

Direct equivalents include TI’s SN74HC4851ADTR2G (same device with SN prefix). Across other vendors, the 74HC4851 is available from NXP, STMicroelectronics, Renesas, On Semiconductor, and Diodes Inc. In catalogs you’ll see 74HC4851 (same part with different prefixes). If TTL-compatible inputs are needed, look for 74HCT4851 variants where available.

Features

Here are the key features of MC74HC4851ADTR2G (HD/HC family):
- 8-channel analog multiplexer/demultiplexer (1-of-8) with a common I/O
- INH (inhibit) input to disable all channels
- 3 address select inputs (A, B, C) for channel selection
- CMOS 74HC technology; operates from 2 V to 6 V (typical 5 V)
- Fast switching with low on-resistance and high off-isolation
- TTL/CMOS input compatible
- ESD protection on inputs/outputs
- Wide ambient temperature range (industrial-grade)
- Packaging: Tape and Reel (TR2G)
For exact electrical specs (on-resistance, leakage, propagation delay, noise, etc.), please refer to the official TI datasheet.

Pinout

- Pin count: 20 pins (in a typical package).
- Function: MC74HC4851ADTR2G is an octal buffer/driver with tri-state outputs (buffered eight data lines with enable control for bus interfacing).

Manufacturer

Manufacturer: ON Semiconductor (onsemi).
Company type: A global semiconductor company that designs and manufactures energy-efficient electronic components (ICs, diodes, transistors, sensors) for automotive, industrial, communications, computing, and consumer markets. It originated as Motorola’s semiconductor unit and was spun off as ON Semiconductor in 1999; headquarters in Phoenix, Arizona.

Application

Typical application areas for MC74HC4851ADTR2G:
- Digital buffering and fan-out to drive multiple inputs
- Logic-level shifting for interfacing different voltage domains
- Data routing and selection (multiplexing/demultiplexing in digital paths)
- Bus interfacing for memory, peripherals, and display drivers
- Control and timing logic in microprocessor/microcontroller systems
- General-purpose logic replacement to improve speed/density in HC-family designs
Note: It's a high-speed CMOS 74HC device used for versatile digital signal handling and interface tasks.

Package

SOIC-20 package (D package), Tape‑and‑Reel, RoHS compliant (TR2G).

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