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雙極性晶體管

二極管

ESD保護、TVS、濾波和信號調節ESD保護

MOSFET

氮化鎵場效應晶體管(GaN FET)

絕緣柵雙極晶體管(IGBTs)

模擬和邏輯IC

汽車應用認證產品(AEC-Q100/Q101)

74LVC244ADB

Octal buffer/line driver; 3-state

The 74LVC244A; 74LVCH244A are 8-bit buffer/line drivers with 3-state outputs. The devices can be used as two 4-bit buffers or one 8-bit buffer. Both devices features two output enables (1OE and 2OE), each controlling four of the 3-state outputs. A HIGH on nOE causes the outputs to assume a high-impedance OFF-state. Inputs can be driven from either 3.3 V or 5 V devices. This feature allows the use of these devices as translators in mixed 3.3 V and 5 V environments.

Schmitt-trigger action at all inputs makes the circuit tolerant of slower input rise and fall times.

This device is fully specified for partial power down applications using IOFF. The IOFF circuitry disables the output, preventing the potentially damaging backflow current through the device when it is powered down.

此產品已停產

Features and benefits

  • Wide supply voltage range from 1.2 V to 3.6 V

  • CMOS low-power consumption

  • Direct interface with TTL levels

  • Overvoltage tolerant inputs to 5.5 V

  • IOFF circuitry provdes partial Power-down mode operation

  • Bus hold on all data inputs (74LVCH244A only)

  • Complies with JEDEC standard:

    • JESD8-7A (1.65 V to 1.95 V)

    • JESD8-5A (2.3 V to 2.7 V)

    • JESD8-C/JESD36 (2.7 V to 3.6 V)

  • ESD protection:

    • HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V

    • CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V

  • Specified from -40 °C to +85 °C and -40 °C to +125 °C

參數類型

型號 Package name
74LVC244ADB SSOP20

PCB Symbol, Footprint and 3D Model

Model Name 描述

封裝

下表中的所有產品型號均已停產 。

型號 可訂購的器件編號，（訂購碼(12NC)） 狀態 標示 封裝 外形圖 回流焊/波峰焊 包裝
74LVC244ADB 74LVC244ADB,118
(935210410118)		 Withdrawn / End-of-life LVC244A SOT339-1
SSOP20
(SOT339-1) 		SOT339-1 SSOP-TSSOP-VSO-WAVE
SOT339-1_118
74LVC244ADB,112
(935210410112)		 Obsolete LVC244A 暫無信息

環境信息

下表中的所有產品型號均已停產 。

型號 可訂購的器件編號 化學成分 RoHS RHF指示符
74LVC244ADB 74LVC244ADB,118 74LVC244ADB rohs rhf rhf
74LVC244ADB 74LVC244ADB,112 74LVC244ADB rohs rhf rhf
品質及可靠性免責聲明

文檔 (8)

文件名稱 標題 類型 日期
74LVC_LVCH244A Octal buffer/line driver; 3-state Data sheet 2024-11-29
AN11009 Pin FMEA for LVC family Application note 2019-01-09
AN263 Power considerations when using CMOS and BiCMOS logic devices Application note 2023-02-07
lvc244a lvc244a IBIS model IBIS model 2021-02-02
Nexperia_package_poster Nexperia package poster Leaflet 2020-05-15
SOT339-1 plastic, shrink small outline package; 20 leads; 0.65 mm pitch; 7.2 mm x 5.3 mm x 2 mm body Package information 2020-04-21
lvc lvc Spice model SPICE model 2013-05-07
SSOP-TSSOP-VSO-WAVE Footprint for wave soldering Wave soldering 2009-10-08

支持

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模型

文件名稱 標題 類型 日期
lvc244a lvc244a IBIS model IBIS model 2021-02-02
lvc lvc Spice model SPICE model 2013-05-07

PCB Symbol, Footprint and 3D Model

Model Name 描述

How does it work?

The interactive datasheets are based on the Nexperia MOSFET precision electrothermal models. With our interactive datasheets you can simply specify your own conditions interactively. Start by changing the values of the conditions. You can do this by using the sliders in the condition fields. By dragging the sliders you will see how the MOSFET will perform at the new conditions set.