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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)

74LV244DB

Octal buffer/line driver; 3-state

The 74LV244 is an 8-bit buffer/line driver with 3-state outputs. The device can be used as two 4-bit buffers or one 8-bit buffer. The device 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 include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess VCC.

此產品已停產

Features and benefits

  • Wide supply voltage range from 1.0 V to 5.5 V

  • CMOS low power dissipation

  • Latch-up performance exceeds 100 mA per JESD 78 Class II Level B

  • Optimized for low voltage applications: 1.0 V to 3.6 V

  • Accepts TTL input levels between VCC = 2.7 V and VCC = 3.6 V

  • Typical VOLP (output ground bounce) < 0.8 V at VCC = 3.3 V; Tamb = 25 °C

  • Typical VOHV (output VOH undershoot) > 2 V at VCC = 3.3 V; Tamb = 25 °C

  • Complies with JEDEC standards:

    • JESD8-7 (1.65 V to 1.95 V)
    • JESD8-5 (2.3 V to 2.7 V)
    • JESD8C (2.7 V to 3.6 V)
    • JESD36 (4.5 V to 5.5 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 from -40 °C to +125 °C

參數類型

型號 Package name
74LV244DB 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
74LV244DB 74LV244DB,112
(935073680112)		 Obsolete LV244 SOT339-1
SSOP20
(SOT339-1) 		SOT339-1 SSOP-TSSOP-VSO-WAVE
暫無信息
74LV244DB,118
(935073680118)		 Obsolete LV244 SOT339-1_118

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
74LV244DB 74LV244DB,112 74LV244DB rohs rhf rhf
74LV244DB 74LV244DB,118 74LV244DB rohs rhf rhf
品質及可靠性免責聲明

文檔 (7)

文件名稱 標題 類型 日期
74LV244 Octal buffer/line driver; 3-state Data sheet 2024-07-04
AN263 Power considerations when using CMOS and BiCMOS logic devices Application note 2023-02-07
lv244 74LV244 IBIS model IBIS model 2019-01-09
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
lv lv 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
lv244 74LV244 IBIS model IBIS model 2019-01-09
lv lv 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.