74HC257DB,118

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Umkhiqizi Ingxenye

74HC257DB,118

Umkhiqizi
Rochester Electronics
Incazelo
74HC257DB - MULTIPLEXER, HC/UH
Isigaba
izifunda ezihlanganisiwe
Umndeni
logic - ukushintshwa kwesignali, ama-multiplexer, ama-decoder
Uchungechunge
-
Kukhona kusitoki
1974
Ama-datasheets aku-inthanethi
74HC257DB,118 PDF
Uphenyo
  • uchungechunge:74HC
  • iphasela:Bulk
  • isimo sengxenye:Active
  • uhlobo:Multiplexer
  • isifunda:4 x 2:1
  • izifunda ezizimele:1
  • yamanje - okukhiphayo okuphezulu, okuphansi:7.8mA, 7.8mA
  • umthombo wokunikezwa kwamandla kagesi:Single Supply
  • voltage - supply:2V ~ 6V
  • izinga lokushisa lokusebenza:-40°C ~ 125°C
  • uhlobo lokukhweza:Surface Mount
  • iphakethe/ikesi:16-SSOP (0.209", 5.30mm Width)
  • iphakheji yedivayisi yomphakeli:16-SSOP
Ukuthumela ngomkhumbi Isikhathi sokulethwa Ezingxenyeni zesitoko, ama-oda alinganiselwa ukuthi azothunyelwa ngezinsuku ezi-3.
Sithumela ama-oda kanye ngosuku cishe ngo-5pm ngaphandle kwangeSonto.
Uma isithunyelwe, isikhathi sokulethwa esilinganiselwe sincike ezincwadini ezingezansi ozikhethile.
I-DHL Express, izinsuku zebhizinisi ezi-3-7 ze-
DHL eCommerce, izinsuku zebhizinisi eziyi-12-22 I-
FedEx International Priority, izinsuku zebhizinisi ezi-3-7
i-EMS, izinsuku zebhizinisi eziyi-10-15
Imeyili Yomoya Ebhalisiwe, izinsuku zebhizinisi eziyi-15-30
Amanani okuthumela Amanani okuthumela e-oda lakho angatholakala enqoleni yokuthenga.
Inketho yokuthumela Sihlinzeka nge-DHL, i-FedEx, i-UPS, i-EMS, i-SF Express, kanye nokuthunyelwa kwe-Air Mail okubhalisiwe kwamanye amazwe.
Ukulandelela ngomkhumbi Sizokwazisa nge-imeyili ngenombolo yokulandelela uma i-oda selithunyelwe.
Ungathola futhi inombolo yokulandelela emlandweni we-oda.
Iyabuya / Iwaranti Iyabuya Ukubuyisela ngokuvamile kuyamukelwa uma sekuqediwe phakathi kwezinsuku ezingu-30 kusukela ngedethi yokuthunyelwa, sicela uxhumane nesevisi yamakhasimende ukuze uthole ukugunyazwa kokubuyisela.
Izingxenye kufanele zingasetshenziswa futhi emaphaketheni okuqala.
Ikhasimende kufanele lilawule ukuthunyelwa.
Iwaranti Konke okuthengiwe kuza nenqubomgomo yokubuyisela imali yezinsuku ezingu-30, kanye newaranti yezinsuku ezingu-90 ngokumelene nanoma yiziphi izinkinga zokukhiqiza.
Lesi siqinisekiso ngeke sisebenze kunoma iyiphi into lapho iphutha lidalwe ukuhlangana kwamakhasimende okungafanele, ukwehluleka kwekhasimende ukulandela imiyalelo, ukuguqulwa komkhiqizo, ubudedengu noma ukusebenza okungafanele.

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