Part Number	MM74C164
Description	8-Bit Parallel-Out Serial Shift Register
Info	MM54C164 MM74C164 8-Bit Parallel-Out Serial Shift .
Manufacture	National
for PC	Download MM74C164 Datasheet

Part Number	MM74C164N
Description	8-Bit Parallel-Out Serial Shift Register
Info	MM74C164 8-Bit Parallel-Out Serial Shift Register .
Manufacture	Fairchild
for PC	Download MM74C164N Datasheet