SN74HC245DWR Geïntegreerde Circuit Chip OCTAL BUS ZENDONTVANGERS MET 3-STAAT UITGANGEN
electronics ic chip
,integrated circuit components
SN74HC245DWR OCTAL BUS ZENDONTVANGERS MET 3-STANDEN UITGANGEN
beschrijving
Deze octale bus-zendontvangers zijn ontworpen voor asynchrone tweewegcommunicatie tussen databussen.De implementatie van de besturingsfunctie minimaliseert externe timingvereisten.De apparaten maken datatransmissie mogelijk van de A-bus naar de B-bus of van de B-bus naar de A-bus, afhankelijk van het logische niveau op de direction-control (DIR)-ingang.De OE-ingang (output-enable) kan worden gebruikt om het apparaat uit te schakelen, zodat de bussen effectief geïsoleerd zijn.
absolute maximale nominale waarden over het bedrijfstemperatuurbereik van vrije lucht (tenzij anders vermeld)†
Voedingsspanningsbereik, VCC ..........................................................–0,5 V tot 7 V
Ingangsklemstroom, IIK (VI < 0 of VI > VCC) (zie opmerking 1) ....................................±20mA
Uitgangsklemstroom, IOK (VO < 0 of VO > VCC) (zie opmerking 1) ................................±20mA
Continue uitgangsstroom, IO (VO = 0 tot VCC)..............................................±35mA
Continue stroom via VCC of GND...................................................±70mA
Pakket thermische impedantie, θJA (zie opmerking 2): DB-pakket.....................................70°C/W
DW-pakket 58 ..................................58°C/W
N pakket......................................69°C/W
NS pakket......................................60°C/W
PW-pakket.....................................80°C/W
Opslagtemperatuurbereik, Tstg –65 ...................................................-65°C tot 150°C
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| SN74LS244N | 10704 | TI | 16+ | SOP-20 |
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