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雙極性晶體管

二極管

ESD保護(hù)、TVS、濾波和信號(hào)調(diào)節(jié)ESD保護(hù)

MOSFET

氮化鎵場(chǎng)效應(yīng)晶體管(GaN FET)

絕緣柵雙極晶體管(IGBTs)

模擬和邏輯IC

汽車應(yīng)用認(rèn)證產(chǎn)品(AEC-Q100/Q101)

74AHCT138D

3-to-8 line decoder/demultiplexer; inverting

The 74AHC138; 74AHCT138 are high-speed Si-gate CMOS devices and are pin compatible with Low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard No. 7A.

The 74AHC138; 74AHCT138 is a 3-to-8 line decoder/demultiplexer. It accepts three binary weighted address inputs (A0, A1 and A2) and, when enabled, provides eight mutually exclusive outputs (Y0 to Y7) that are LOW when selected.

There are three enable inputs: two active LOW (E1 and E2) and one active HIGH (E3). Every output will be HIGH unless E1 and E2 are LOW and E3 is HIGH.

This multiple enable function allows easy parallel expansion of the device to a 1-of-32 (5 lines to 32 lines) decoder with just four 74AHC138; 74AHCT138 devices and one inverter. The 74AHC138; 74AHCT138 can be used as an eight output demultiplexer by using one of the active LOW enable inputs as the data input and the remaining enable inputs as strobes. Unused enable inputs must be permanently tied to their appropriate active HIGH or LOW state.

Features and benefits

  • Balanced propagation delays

  • All inputs have Schmitt-trigger action

  • Demultiplexing capability

  • Multiple input enable for easy expansion

  • Ideal for memory chip select decoding

  • Inputs accepts voltages higher than VCC

  • For 74AHC138 only: operates with CMOS input levels

  • For 74AHCT138 only: operates with TTL input levels

  • ESD protection:

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

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

  • Multiple package options

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

參數(shù)類型

型號(hào) VCC (V) Logic switching levels Output drive capability (mA) tpd (ns) Power dissipation considerations Tamb (°C) Rth(j-a) (K/W) Ψth(j-top) (K/W) Rth(j-c) (K/W) Package name
74AHCT138D 4.5?-?5.5 TTL ± 8 4.4 low -40~125 93 9.7 52 SO16

PCB Symbol, Footprint and 3D Model

Model Name 描述

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封裝

型號(hào) 可訂購(gòu)的器件編號(hào),(訂購(gòu)碼(12NC)) 狀態(tài) 標(biāo)示 封裝 外形圖 回流焊/波峰焊 包裝
74AHCT138D 74AHCT138D,118
(935262997118)
Active 74AHCT138D SOT109-1
SO16
(SOT109-1)
SOT109-1 SO-SOJ-REFLOW
SO-SOJ-WAVE
WAVE_BG-BD-1
SOT109-1_118

環(huán)境信息

型號(hào) 可訂購(gòu)的器件編號(hào) 化學(xué)成分 RoHS RHF指示符
74AHCT138D 74AHCT138D,118 74AHCT138D rohs rhf rhf
品質(zhì)及可靠性免責(zé)聲明

文檔 (13)

文件名稱 標(biāo)題 類型 日期
74AHC_AHCT138 3-to-8 line decoder/demultiplexer; inverting Data sheet 2024-02-29
AN11106 Pin FMEA for AHC/AHCT family Application note 2019-01-09
AN90063 Questions about package outline drawings Application note 2025-03-12
SOT109-1 3D model for products with SOT109-1 package Design support 2020-01-22
ahct138 ahct138 IBIS model IBIS model 2013-04-08
Nexperia_package_poster Nexperia package poster Leaflet 2020-05-15
SO16_SOT109-1_mk plastic, small outline package; 16 leads; 1.27 mm pitch; 9.9 mm x 3.9 mm x 1.35 mm body Marcom graphics 2017-01-28
SOT109-1 plastic, small outline package; 16 leads; 1.27 mm pitch; 9.9 mm x 3.9 mm x 1.75 mm body Package information 2023-11-07
SOT109-1_118 SO16; Reel pack for SMD, 13"; Q1/T1 product orientation Packing information 2024-02-19
74AHCT138D_Nexperia_Product_Reliability 74AHCT138D Nexperia Product Reliability Quality document 2025-03-20
SO-SOJ-REFLOW Footprint for reflow soldering Reflow soldering 2009-10-08
SO-SOJ-WAVE Footprint for wave soldering Wave soldering 2009-10-08
WAVE_BG-BD-1 Wave soldering profile Wave soldering 2021-09-08

支持

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Longevity

The Nexperia Longevity Program is aimed to provide our customers information from time to time about the expected time that our products can be ordered. The NLP is reviewed and updated regularly by our Executive Management Team. View our longevity program here.


模型

文件名稱 標(biāo)題 類型 日期
ahct138 ahct138 IBIS model IBIS model 2013-04-08
SOT109-1 3D model for products with SOT109-1 package Design support 2020-01-22

PCB Symbol, Footprint and 3D Model

Model Name 描述

Register once, drag and drop ECAD models into your CAD tool and speed up your design.

Click here for more information

訂購(gòu)、定價(jià)與供貨

型號(hào) Orderable part number Ordering code (12NC) 狀態(tài) 包裝 Packing Quantity 在線購(gòu)買
74AHCT138D 74AHCT138D,118 935262997118 Active SOT109-1_118 2,500 訂單產(chǎn)品

樣品

作為 Nexperia 的客戶,您可以通過(guò)我們的銷售機(jī)構(gòu)訂購(gòu)樣品。

如果您沒(méi)有 Nexperia 的直接賬戶,我們的全球和地區(qū)分銷商網(wǎng)絡(luò)可為您提供 Nexperia 樣品支持。查看官方經(jīng)銷商列表

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.

可訂購(gòu)部件

型號(hào) 可訂購(gòu)的器件編號(hào) 訂購(gòu)代碼(12NC) 封裝 從經(jīng)銷商處購(gòu)買
74AHCT138D 74AHCT138D,118 935262997118 SOT109-1 訂單產(chǎn)品
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