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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)

74AHCT157BQ

Quad 2-input multiplexer

The 74AHC/AHCT157 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 74AHC/AHCT157 are quad 2-input multiplexer which select 4 bits of data from two sources under the control of a common data select input (S). The enable input (E) is active LOW. When E is HIGH, all of the outputs (1Y to 4Y) are forced LOW regardless of all other input conditions.

Moving the data from two groups of registers to four common output buses is a common use of the 74AHC/AHCT157. The state of the common data select input (S) determines the particular register from which the data comes. It can also be used as function generator. The device is useful for implementing highly irregular logic by generating any four of the 16 different functions of two variables with one variable common. The 74AHC/AHCT157 is logic implementation of a 4?-?pole, 2?-?position switch, where the position of the switch is determine by the logic levels applied to S.

The logic equations are:

  • 1Y = E × (1I1 × S + 1I0 × S)

  • 2Y = E × (2I1 × S + 2I0 × S)

  • 3Y = E × (3I1 × S + 3I0 × S)

  • 4Y = E × (4I1 × S + 4I0 × S)

Features and benefits

  • Balanced propagation delays

  • All inputs have a Schmitt-trigger action

  • Inputs accepts voltages higher than VCC

  • Multiple input enable for easy expansion

  • Ideal for memory chip select decoding

  • For 74AHC157 only: operates with CMOS input levels

  • For 74AHCT157 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
74AHCT157BQ 4.5?-?5.5 TTL ± 8 3.2 low -40~125 91 12.7 60 DHVQFN16

PCB Symbol, Footprint and 3D Model

Model Name 描述

封裝

型號(hào) 可訂購的器件編號(hào),(訂購碼(12NC)) 狀態(tài) 標(biāo)示 封裝 外形圖 回流焊/波峰焊 包裝
74AHCT157BQ 74AHCT157BQ,115
(935285571115)
Active AHT157 SOT763-1
DHVQFN16
(SOT763-1)
SOT763-1 SOT763-1_115

環(huán)境信息

型號(hào) 可訂購的器件編號(hào) 化學(xué)成分 RoHS RHF指示符
74AHCT157BQ 74AHCT157BQ,115 74AHCT157BQ 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
74AHC_AHCT157 Quad 2-input multiplexer Data sheet 2024-03-07
AN11106 Pin FMEA for AHC/AHCT family Application note 2019-01-09
SOT763-1 3D model for products with SOT763-1 package Design support 2019-10-03
ahct157 ahct157 IBIS model IBIS model 2013-04-08
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
74AHCT157BQ_Nexperia_Product_Reliability 74AHCT157BQ Nexperia Product Reliability Quality document 2024-06-16

支持

如果您需要設(shè)計(jì)/技術(shù)支持,請(qǐng)告知我們并填寫 應(yīng)答表 我們會(huì)盡快回復(fù)您。

模型

文件名稱 標(biāo)題 類型 日期
ahct157 ahct157 IBIS model IBIS model 2013-04-08
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(jià)與供貨

型號(hào) Orderable part number Ordering code (12NC) 狀態(tài) 包裝 Packing Quantity 在線購買
74AHCT157BQ 74AHCT157BQ,115 935285571115 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(jī)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(hào) 可訂購的器件編號(hào) 訂購代碼(12NC) 封裝 從經(jīng)銷商處購買
74AHCT157BQ 74AHCT157BQ,115 935285571115 SOT763-1 訂單產(chǎn)品
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