Datenblatt-Suchmaschine für elektronische Bauteile |
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SN74HCS264 Datenblatt(PDF) 10 Page - Texas Instruments |
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SN74HCS264 Datenblatt(HTML) 10 Page - Texas Instruments |
10 / 23 page 8.3.3 Clamp Diode Structure The inputs and outputs to this device have both positive and negative clamping diodes as depicted in Electrical Placement of Clamping Diodes for Each Input and Output. CAUTION Voltages beyond the values specified in the Absolute Maximum Ratings table can cause damage to the device. The input and output voltage ratings may be exceeded if the input and output clamp- current ratings are observed. GND Logic Input Output VCC Device -IIK +IIK +IOK -IOK Figure 8-2. Electrical Placement of Clamping Diodes for Each Input and Output 8.4 Device Functional Modes Function Table lists the functional modes of the SN74HCS264. Table 8-1. Function Table INPUTS FUNCTION A B CLR CLK X X L X Shift register is cleared. All internal storage registersgo low; all outputs are high. L X H ↑ First stage of the shift register goes low; the output at QA goes high. Other stages store the data of each previous stage, respectively. All outputs are inverted from the internally stored data. X L H ↑ First stage of the shift register goes low; the output at QA goes high. Other stages store the data of each previous stage, respectively. All outputs are inverted from the internally stored data. H H H ↑ First stage of the shift register goes high; the output at QA goes low. Other stages store the data of each previous stage, respectively. All outputs are inverted from the internally stored data. SN74HCS264 SCLS844 – AUGUST 2020 www.ti.com 10 Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated Product Folder Links: SN74HCS264 |
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