HEF4040 12-stage binary counter
HEF4040B 12-stage binary counter
HEF4040BD 12-stage binary counter
HEF4040BDB 12-stage binary counter
HEF4040BF 12-stage binary counter
HEF4040BN 12-stage binary counter
HEF4040BP 12-stage binary counter
HEF4040BPB 12-stage binary counter
HEF4040BPN Asynchronous Up Counter
HEF4040BT 12-stage binary counter
HEF4040BTD Asynchronous Up Counter
HEF4040BTD-T Asynchronous Up Counter
HEF4040BU 12-stage binary counter