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雙極性晶體管

二極管

ESD保護、TVS、濾波和信號調(diào)節(jié)ESD保護

MOSFET

氮化鎵場效應(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)用認證產(chǎn)品(AEC-Q100/Q101)

74HC238BQ

3-to-8 line decoder/demultiplexer

The 74HC238; 74HCT238 decodes three binary weighted address inputs (A0, A1 and A2) to eight mutually exclusive outputs (Y0 to Y7). The device features three enable inputs (E1 and E2 and E3). Every output will be LOW unless E1 and E2 are LOW and E3 is HIGH. This multiple enable function allows easy parallel expansion to a 1-of-32 (5 to 32 lines) decoder with just four '238 ICs and one inverter. The '238 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. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

Features and benefits

  • Wide supply voltage range from 2.0 to 6.0 V

  • CMOS low power dissipation

  • High noise immunity

  • Demultiplexing capability

  • Multiple input enable for easy expansion

  • Ideal for memory chip select decoding

  • Active HIGH mutually exclusive outputs

  • Input levels:

    • For 74HC238: CMOS level

    • For 74HCT238: TTL level

  • Complies with JEDEC standards

    • JESD8C (2.7 V to 3.6 V)

    • JESD7A (2.0 V to 6.0 V)

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

  • 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 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
74HC238BQ 2.0?-?6.0 CMOS ± 5.2 14 low -40~125 94 14.4 63 DHVQFN16

PCB Symbol, Footprint and 3D Model

Model Name 描述

封裝

型號 可訂購的器件編號,(訂購碼(12NC)) 狀態(tài) 標(biāo)示 封裝 外形圖 回流焊/波峰焊 包裝
74HC238BQ 74HC238BQ,115
(935283681115)
Active HC238 SOT763-1
DHVQFN16
(SOT763-1)
SOT763-1 SOT763-1_115

環(huán)境信息

型號 可訂購的器件編號 化學(xué)成分 RoHS RHF指示符
74HC238BQ 74HC238BQ,115 74HC238BQ rohs rhf rhf
品質(zhì)及可靠性免責(zé)聲明

文檔 (9)

文件名稱 標(biāo)題 類型 日期
74HC_HCT238 3-to-8 line decoder/demultiplexer Data sheet 2024-03-21
AN11044 Pin FMEA 74HC/74HCT family Application note 2019-01-09
AN90063 Questions about package outline drawings Application note 2025-03-12
SOT763-1 3D model for products with SOT763-1 package Design support 2019-10-03
Nexperia_package_poster Nexperia package poster Leaflet 2020-05-15
DHVQFN16_SOT763-1_mk plastic, dual in-line compatible thermal enhanced very thin quad flat package; 16 terminals; 0.5 mm pitch; 3.5 mm x 2.5 mm x 0.85 mm body Marcom graphics 2017-01-28
SOT763-1 plastic, leadless dual in-line compatible thermal enhanced very thin quad flat package; 16 terminals; 0.5 mm pitch; 3.5 mm x 2.5 mm x 1 mm body Package information 2023-05-11
SOT763-1_115 DHVQFN16; Reel pack, SMD, 7" Q1/T1 product orientation Packing information 2020-04-21
74HC238BQ_Nexperia_Product_Reliability 74HC238BQ Nexperia Product Reliability Quality document 2025-03-20

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
SOT763-1 3D model for products with SOT763-1 package Design support 2019-10-03

PCB Symbol, Footprint and 3D Model

Model Name 描述

訂購、定價與供貨

型號 Orderable part number Ordering code (12NC) 狀態(tài) 包裝 Packing Quantity 在線購買
74HC238BQ 74HC238BQ,115 935283681115 Active SOT763-1_115 3,000 訂單產(chǎn)品

樣品

作為 Nexperia 的客戶,您可以通過我們的銷售機構(gòu)訂購樣品。

如果您沒有 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.

可訂購部件

型號 可訂購的器件編號 訂購代碼(12NC) 封裝 從經(jīng)銷商處購買
74HC238BQ 74HC238BQ,115 935283681115 SOT763-1 訂單產(chǎn)品
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