74HC243
Layout symbol
Quad bus transceiver: Four bidirectional buffers between the A and B pins. OEAB (active low) turns on the A-to-B direction and OEBA (active high) turns on B-to-A, so one signal on both pins switches the direction. Pins 2 and 12 are not connected. Same pinout as the 74LS243.
integrated circuit
IC
chip
7400 series
logic
buffer
transceiver
tri-state
bus driver
74HCT243
74LS243
74243
Details
- Reference Character
- U
- Default Value
- 74HC243
- Author
- Circuit Canvas
- License
- Circuit Canvas Parts License
- Library
- Circuit Canvas Library