74F243 ,Quad transceiver (3-State)54F/74F243QuadBusTransceiverwithTRI-STATEOutputsNovember199454F/74F243QuadBusTransceiverwithTRI-STA ..
74F244 ,Octal buffers (3-State)54F/74F240 54F/74F241 54F/74F244# #OctalBuffers/LineDriverswithTRI-STATEOutputsMay199554F/74F240 54 ..
74F244MSA ,Octal Buffers/Line Drivers with TRI-STATE OutputsFeaturesThe 74F240, 74F241 and 74F244 are octal buffers and line
74F243
Quad Bus Transceiver with TRI-STATE Outputs
TL/F/9502
54F/74F243
Quad
Bus
Transceiver
with
TRI-STATE
Outputs
November 1994
54F/74F243
Quad Bus Transceiver with TRI-STATEÉ Outputs
General Description
The ’F243isa quadbus transmitter/receiver designedfor
4-line asynchronous 2-way data communications between
data busses.
Features 2-Way asynchronous databus communication Input clamp diodes limit high-speed termination effects Guaranteed 4000V minimum ESD protection
Commercial Military Package Package DescriptionNumber
54F243DM (Note2) J14A 14-Lead CeramicDual-In-Line
74F243SC (Note1) M14A 14-Lead (0.150× Wide) Molded Small Outline, JEDEC
54F243FM(Note2) W14B 14-Lead Cerpack
54F243LM (Note2) E20A 20-Lead CeramicLeadless Chip Carrier,TypeC
Note 1:Devicesalso availablein13×reel. UseSuffixe SCX.
Note 2:Militarygrade devicewith environmentaland burn-in processing.Use suffixe DMQB, FMQBandLMQB.
Logic Symbol
IEEE/IEC
TL/F/9502–3
Connection Diagrams
Pin Assignment
for DIP, SOICand Flatpak
TL/F/9502–1
Pin Assignment
for LCC
TL/F/9502–2
TRI-STATEÉ isaregistered trademarkof National SemiconductorCorporation.
C1995National SemiconductorCorporation RRD-B30M105/PrintedinU.S.A.