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Главная/Прочие/Разное/74HC154

74HC154

Texas InstrumentsVerifiedTSSOP24/SOIC24

Аналоги и замены (1)

OEM part number

74HC154

Texas Instruments

Прочие · Разное

CN part number

RS154

Run-IC

Прочие · Разное

VerifiedPin-to-PinTSSOP24/SOIC24
4-to-16 line decoder/demuxHC familyactive-LOW outputspinoutVCC 2-6V

Комментарии об отличиях

74HC154 ↔ RS154

74HC154: 4-to-16 decoder, VCC 2V-6V, 16 active-LOW outputs (Y0-Y15), 2 enable inputs (E0, E1 — active LOW), tpd (An→Yn)=24ns typ @4.5V, output drive ±4mA. RS154: HC family. Ключевые timing: tpd address→output ~24ns, tpd enable→output ~22ns @4.5V. При замене в address decoding applications проверить: 1) Output drive при нагрузке >4mA (например, при подключении к нескольким CS входам); 2) Propagation delay для high-speed decoding (>20MHz); 3) Корпус TSSOP24 (0.65mm pitch) — проверить land pattern.

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.