双极性晶体管

二极管

ESD保护、TVS、滤波和信号调节ESD保护

MOSFET

氮化镓场效应晶体管(GaN FET)

绝缘栅双极晶体管(IGBTs)

模拟和逻辑IC

汽车应用认证产品(AEC-Q100/Q101)

74HC7540; 74HCT7540

Octal Schmitt trigger buffer/line driver; 3-state; inverting

The 74HC7540; 74HCT7540 is an 8-bit inverting buffer/line driver with Schmitt-trigger inputs and 3-state outputs. The device features two output enables (OE1 and OE2). A HIGH on OEn 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 of VCC. Schmitt trigger inputs transform slowly changing input signals into sharply defined jitter-free output signals.

Features and benefits

  • Wide supply voltage range from 2.0 V to 6.0 V

  • CMOS low power dissipation

  • High noise immunity

  • Unlimited input rise and fall times

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

  • Inverting outputs

  • Input levels:

    • For 74HC7540: CMOS level

    • For 74HCT7540: TTL level

  • Complies with JEDEC standards

    • JESD8C (2.7 V to 3.6 V)

    • JESD7A (2.0 V to 6.0 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

参数类型

型号 VCC (V) Logic switching levels Output drive capability (mA) fmax (MHz) Nr of bits Power dissipation considerations Tamb (°C) Rth(j-a) (K/W) Ψth(j-top) (K/W) Rth(j-c) (K/W) Package name
74HC7540D 2.0 - 6.0 CMOS ± 7.8 36 8 low -40~125 69 11 45 SO20
74HC7540PW 2.0 - 6.0 CMOS ± 7.8 36 8 low -40~125 100 1.6 45 TSSOP20
74HCT7540D 4.5 - 5.5 TTL ± 6 36 8 low -40~125 69 11 45 SO20

封装

型号 可订购的器件编号，（订购码(12NC)） 状态 标示 封装 外形图 回流焊/波峰焊 包装
74HC7540D 74HC7540D,118
(933967860118)		 Active 74HC7540D SOT163-1
SO20
(SOT163-1) 		SOT163-1 WAVE_BG-BD-1
SOT163-1_118
74HC7540PW 74HC7540PWJ
(935691207118)		 Active 4HC7540 SOT360-1
TSSOP20
(SOT360-1) 		SOT360-1 SSOP-TSSOP-VSO-WAVE
SOT360-1_118
74HCT7540D 74HCT7540D,118
(933967900118)		 Active 74HCT7540D SOT163-1
SO20
(SOT163-1) 		SOT163-1 WAVE_BG-BD-1
SOT163-1_118

下表中的所有产品型号均已停产 。

型号 可订购的器件编号，（订购码(12NC)） 状态 标示 封装 外形图 回流焊/波峰焊 包装
74HC7540D 74HC7540D,112
(933967860112)		 Withdrawn / End-of-life 74HC7540D SOT163-1
SO20
(SOT163-1) 		SOT163-1 WAVE_BG-BD-1
暂无信息
74HC7540DB 74HC7540DB,112
(935190290112)		 Obsolete no package information
74HC7540DB,118
(935190290118)		 Obsolete
74HCT7540D 74HCT7540D,112
(933967900112)		 Withdrawn / End-of-life 74HCT7540D SOT163-1
SO20
(SOT163-1) 		SOT163-1 WAVE_BG-BD-1
暂无信息

环境信息

型号 可订购的器件编号 化学成分 RoHS RHF指示符
74HC7540D 74HC7540D,118 74HC7540D rohs rhf rhf
74HC7540PW 74HC7540PWJ 74HC7540PW rohs rhf rhf
74HCT7540D 74HCT7540D,118 74HCT7540D rohs rhf rhf

下表中的所有产品型号均已停产 。

型号 可订购的器件编号 化学成分 RoHS RHF指示符
74HC7540D 74HC7540D,112 74HC7540D rohs rhf rhf
74HC7540DB 74HC7540DB,112 74HC7540DB rohs rhf rhf
74HC7540DB 74HC7540DB,118 74HC7540DB rohs rhf rhf
74HCT7540D 74HCT7540D,112 74HCT7540D rohs rhf rhf
品质及可靠性免责声明

文档 (10)

文件名称 标题 类型 日期
74HC_HCT7540 Octal Schmitt trigger buffer/line driver; 3-state; inverting Data sheet 2024-08-05
AN90063 Questions about package outline drawings Application note 2025-06-13
SOT163-1 3D model for products with SOT163-1 package Design support 2020-01-22
SOT360-1 3D model for products with SOT360-1 package Design support 2020-01-22
Nexperia_package_poster Nexperia package poster Leaflet 2020-05-15
TSSOP20_SOT360-1_mk plastic, thin shrink small outline package; 20 leads; 0.65 mm pitch; 6.5 mm x 4.4 mm x 1.1 mm body Marcom graphics 2017-01-28
SOT163-1 plastic, small outline package; 20 leads; 1.27 mm pitch; 12.8 mm x 7.5 mm x 2.65 mm body Package information 2024-11-15
SOT360-1 plastic, thin shrink small outline package; 20 leads; 0.65 mm pitch; 6.5 mm x 4.4 mm x 1.2 mm body Package information 2024-11-15
WAVE_BG-BD-1 Wave soldering profile Wave soldering 2021-09-08
SSOP-TSSOP-VSO-WAVE Footprint for wave soldering Wave soldering 2009-10-08

支持

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模型

文件名称 标题 类型 日期
SOT163-1 3D model for products with SOT163-1 package Design support 2020-01-22
SOT360-1 3D model for products with SOT360-1 package Design support 2020-01-22

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