Part Number 74C912
Manufacturer National Semiconductor
Title MM74C912
Description ...
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File Size 510.33KB
Datasheet 74C912 PDF File

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74C911 : The MM74C911 display controller is an interface element with memory that drives a 4-digit, 8-segment LED display. The MM74C911 allows individual control of any segment in the 4-digit display. The number of segments per digit can be expanded without any external components. For example, two MM74C911’s can be cascaded to drive a 16-segment alpha-numeric display. The display controllers receive data information through 8 data lines a, bDP, and digit information through 2 address inputs K1 and K2. The input data is written into the register selected by the address information when CHIP ENABLE, CE, and WRITE ENABLE, WE, are LOW and is latched when either CE or WE return HIGH. Data hold time is n.

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