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DM74LS503

National Semiconductor
Part Number DM74LS503
Manufacturer National Semiconductor
Description 8-Bit Successive Approximation Register
Published Nov 12, 2016
Detailed Description DM54LS503 DM74LS503 8-Bit Successive Approximation Register (with Expansion Control) April 1992 DM54LS503 DM74LS503 8-...
Datasheet PDF File DM74LS503 PDF File

DM74LS503
DM74LS503

Overview
DM54LS503 DM74LS503 8-Bit Successive Approximation Register (with Expansion Control) April 1992 DM54LS503 DM74LS503 8-Bit Successive Approximation Register (with Expansion Control) General Description The ’LS503 register is basically the same as the ’LS502 except that it has an active LOW Enable (E) input that is used in cascading two or more packages for longer word lengths A HIGH signal on E after a START operation forces Q7 HIGH and prevents the device from accepting serial data With the E input of an ’LS503 connected to the CC output of a preceding (more significant) device the ’LS503 will be inhibited until the preceding device is filled causing its CC output to go LOW This LOW signa...


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