MCM68B10P
Lot of 10 Vintage NOS Motorola MC68B50CP ACIA DIP-24 Serial Interface UART Chip
You will find that MOTOROLA units have a compact size that fits in a pocket.
Lot of 30 Vintage NOS Motorola MCM68B10P 128x8 Static RAM IC DIP-24 68B10 Match
What stands out about MOTOROLA is the clear audio that helps avoid miscommunication.