Part Number
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DM54LS469 |
Manufacturer
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National Semiconductor |
Description
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DM54LS469/DM74LS469 8-Bit Up/Down Counter |
Published
|
Apr 1, 2005 |
Detailed Description
|
DM54LS469 DM74LS469 8-Bit Up Down Counter
July 1989
DM54LS469 DM74LS469 8-Bit Up Down Counter
General Description
The ...
|
Datasheet
|
DM54LS469
|
Overview
DM54LS469 DM74LS469 8-Bit Up Down Counter
July 1989
DM54LS469 DM74LS469 8-Bit Up Down Counter
General Description
The ‘LS469 is an 8-bit synchronous up down counter with parallel load and hold capability Three function-select inputs (LD UD CBI) provide one of four operations which occur synchronously on the rising edge of the clock (CK) The LOAD operation loads the inputs (D7 – D0) into the output register (Q7 – Q0) The HOLD operation holds the previous value regardless of clock transitions The INCREMENT operation adds one to the output register when the carry-in input is TRUE (CBI e LOW) otherwise the operation is a HOLD The carry-out (CBO) is TRUE (CBO e LOW) when the output register (Q7...
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