DM74LS503 8-Bit Successive Approximation Register .
DM74LS503 - 8-Bit Successive Approximation Register
DM74LS503 8-Bit Successive Approximation Register March 1989 Revised March 2000 DM74LS503 8-Bit Successive Approximation Register (with Expansion Co.DM74LS503 - 8-Bit Successive Approximation Register
DM54LS503 DM74LS503 8-Bit Successive Approximation Register (with Expansion Control) April 1992 DM54LS503 DM74LS503 8-Bit Successive Approximation R.