CD4520BEIC DUAL BINARY UP COUNTER 16-DIP|TEXAS INSTRUMENTS|Lead free|RoHS Compliant MC14520BCPG HEF4520BP,652 CD4520BEE4IC DUAL BIN UP-COUNTER 16-DIP|TEXAS INSTRUMENTS|Lead free|RoHS Compliant MC14520BCPG HEF4520BP,652