HEF4021B - 8-bit static shift register TSSOP 16-Pin
Shift Register Single 8-Bit Parallel to Serial 16-Pin TSSOP T/R
HEF4021B-Q100 - 8-bit static shift register TSSOP 16-Pin
8-Bit Parallel-In Serial-Out Shift Register, 5V 15V 3V, 16-Pin TSSOP