TC74HC251AP(F),
TC74HC253AP(F),
TC74HC257AF(F),
TC74HC257AP(F),
TC74HC259AF(F),
TC74HC259AP,IC LATCH ADDRESSABLE 8-BIT 16DIP
TC74HC259AP(F),
TC74HC273AF(EL,F),IC FF D-TYPE SNGL 8BIT 20SOP