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M74VHC594TTR Folha de dados(PDF) 2 Page - STMicroelectronics |
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M74VHC594TTR Folha de dados(HTML) 2 Page - STMicroelectronics |
2 / 14 page 74VHC594 2/14 Figure 2: Input Equivalent Circuit Table 2: Pin Description Table 3: Truth Table X: Don’t Care PIN N° SYMBOL NAME AND FUNCTION 1, 2, 3, 4, 5, 6, 7, 15 QA to QH Data Outputs 9 QH’ Serial Data Output 10 SCLR Shift Register Clear Input 11 SCK Shift Register Clock Input 13 RCLR Storage Register Clear Input 14 SI Serial Data Input 12 RCK Storage Register Clock Input 8 GND Ground (0V) 16 VCC Positive Supply Voltage INPUTS OUTPUTS SI SCK SCLR RCK RCLR X X L X X SHIFT REGISTER IS CLEAR LH X X FIRST STAGE OF SHIFT REGISTER GOES LOW OTHER STAGES STORE THE DATA OF PREVI- OUS STAGE, RESPECTIVELY HH X X FIRST STAGE OF SHIFT REGISTER GOES HIGH OTHER STAGES STORE THE DATA OF PREVI- OUS STAGE, RESPECTIVELY L H X X SHIFT REGISTER STATE IS NOT CHANGED X X X X L STORAGE REGISTER IS CLEARED XX X H SHIFT REGISTER DATA IS STORED IN THE STORAGE REGISTER X X X H STORAGE REGISTER STATE IS NOT CHANGED |
Nº de peça semelhante - M74VHC594TTR |
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Descrição semelhante - M74VHC594TTR |
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