The 7448 is a BCD-to-7-segment decoder/driver IC in a DIP-16 package, It converts 4-bit binary input to drive common-cathode displays, featuring ripple blanking
74533 Octal inverting transparent latch used to temporarily hold and buffer 8-bit data lines and drive bus-level three-state outputs for microprocessor.
The 7474 is a dual D-type flip-flop IC with set and reset functions, positive-edge triggering, and manufactured by XBLW, ideal for digital counter and delay applications.