HEF4528B Dual monostable multivibrator
HEF4528BD Dual monostable multivibrator
HEF4528BF Dual monostable multivibrator
HEF4528BN Dual monostable multivibrator
HEF4528BP Dual monostable multivibrator
HEF4528BPB Dual monostable multivibrator
HEF4528BPN Monostable Multivibrator
HEF4528BT Dual monostable multivibrator
HEF4528BTD Monostable Multivibrator
HEF4528BTD-T Monostable Multivibrator
HEF4528BU Dual monostable multivibrator