UPD54HC00B-EM UPD54HC02B-EM UPD54HC04B-EM UPD54HC10B-EM UPD54HC139B-EM UPD54HC14B-EM UPD54HC161B-EM UPD54HC257B-EM UPD54HC27B-EM UPD54HC74B-EM