DM74LS243 Quadruple Bus Transceiver
August 1986 Revised January 2000
DM74LS243 Quadruple Bus Transceiver
General Description
This four data line transceiver is designed for asynchronous two-way communications between data buses.
It can be used to drive terminated lines down to 133Ω.
Features
s Two-way asynchronous communication between data buses s
PNP inputs reduce DC loading on bus line s Hysteresis at data inputs improves noise margin
Ordering Code:
Order Number DM74LS243M DM74LS243N Package Number M14A N14A Package Description 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.
150 Narrow 14-Lead Plastic Dual In Line Package (PDIP), JEDEC MS-001, 0.
300 Wide
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