Sunme
Electronic component supply
Direct supplies from leading global manufacturers
PCB design
Printed circuit board design of any complexity
Software development
Embedded systems and microprocessor software
Import substitution
Replacing foreign components with Russian analogues
Supplier audits in China
On-site factory and supplier verification in China
Integrated supplies
Full cycle from components to finished product
Discuss project →
AboutCasesKnowledge baseFAQGlossary
RUConsultation
Sunme

Directions

Electronic component supplyPCB designSoftware developmentImport substitutionSupplier audits in ChinaIntegrated supplies
AboutCasesKnowledge baseFAQGlossary
RUSwitch language
Consultation
Sunme

Electronic component supply and technology solutions for your manufacturing

Services

  • Component supply
  • PCB design
  • Software development
  • Import substitution
  • China audit
  • Integrated supplies

Company

  • About us
  • Cases
  • Knowledge base
  • Careers
  • Contacts

Support

  • FAQ
  • Glossary
  • Privacy policy
  • Legal details

Subscribe to newsletter

Engineering materials, guides and cases every two weeks

© 2026 Sunme. All rights reserved.

Privacy policy
← Microbase|Microbase
Главная/Прочие/Разное/74HCT540

74HCT540

Texas InstrumentsVerifiedSOP20/TSSOP20

Аналоги и замены (1)

OEM part number

74HCT540

Texas Instruments

Прочие · Разное

CN part number

RS540T

Run-IC

Прочие · Разное

VerifiedPin-to-PinSOP20/TSSOP20
Octal inverting buffer/driverTTL inputs3-stateenhanced drive

Комментарии об отличиях

74HCT540 ↔ RS540T

74HCT540 (TI) vs RS540T (Run-IC). HCT540: supply 4.5V-5.5V, TTL inputs, output drive ±6mA, tpd typ 14ns. RS540T: supply 4.5V-5.5V, TTL inputs, output drive ±24-32mA, tpd ~4-5ns. При замене: 1) TTL input levels совпадают; 2) Output drive в 4-5 раз выше — проверьте VCC/ground bounce; 3) tpd в 3 раза ниже — timing-совместимо для bus applications; 4) ICC значительно ниже. Pin-to-pin замена для 5V TTL-систем.

Информация предоставлена в справочных целях. Перед внедрением любого аналога обязательно сверьте технические характеристики, температурные режимы и сертификаты безопасности в актуальных даташитах производителей. Ответственность за финальный выбор компонента и его применение несёт инженер.