74ABT245 Datasheet | National Semiconductor

54ABT 74ABT245 Octal Bidirectional Transceiver with TRI-STATE Outputs March 1996 54ABT 74ABT245 Octal Bidirectional Transceiver with TRI-STATE Outputs General Description The ’ABT245 contains eight non-inverting bidirectional buffers with TRI-STATE outputs and is intended for bus-oriented applications Current sinking capability is 64 mA on both the A and B ports The Transmit Receive (T R) input determines the direction of data flow through the bidirectional transceiver Transmit (active HIGH) enables data from A ports to B ports Receive (active LOW) enables data from B ports to A ports The Output Enable input when HIGH disables both A and B ports by placing them in a High Z condition Features Y Bidirectional non-inverting buffers Y A and B output sink capability of 64 mA source capa- bility of 32 mA Y Guaranteed output skew Y Guaranteed multiple output switching specifications Y Output switching specified for both 50 pF and 250 pF loads Y Guaranteed simultaneous switching noise level and dy- namic threshold performance Y Guaranteed latchup protection Y High impedance glitch-free bus loading during entire power up and power down cycle Y Non-destructive hot insertion capability Y Disable time is less than enable time to avoid bus contention Y Standard Military Drawing (SMD) 5962-9214801 mercial Military Package Number Package Description 74ABT245CSC (Note 1) M20B 20-Lead (0 300 Wide) Molded Small Outline JEDEC 74ABT245CSJ (Note 1) M20D 20-Lead (0 300 Wide) Molded Small Outline EIAJ 74ABT245CPC N20B 20-Lead (0 300 Wide) Molded Dual-In-Line 54ABT245J 883 J20A 20-Lead Ceramic Dual-In-Line 74ABT245CMSA (Note 1) MSA20 20-Lead Molded Shrink Small Outline EIAJ Type II 54ABT245W 883 W20A 20-Lead Cerpak 54ABT245E 883 E20A 20-Lead Ceramic Leadless Chip...