23 Pages, 1016 KB, Original- SN74LS640-1NSR
- Texas Instruments
- IC OCT BUS TXRX 3ST 20SOP - SN74LS640-1NSR
23 Pages, 1016 KB, Original- SN74LS640-1NSRE4
- Texas Instruments
- IC BUS TRANSCEIVER 8BIT 20SOP - SN74LS640-1NSRE4
23 Pages, 1016 KB, Original- SN74LS640-1NSRG4
- Texas Instruments
- IC BUS TRANSCEIVER 8BIT 20SOP - SN74LS640-1NSRG4
