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TCA6424 датащи(PDF) 4 Page - Texas Instruments |
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TCA6424 датащи(HTML) 4 Page - Texas Instruments |
4 / 29 page www.ti.com 29 I/O Port Shift Register 24 Bits Input Filter 30 Power-On Reset Read Pulse Write Pulse 26 27 25 GND V CCP SDA SCL ADDR I C Bus Control 2 RESET 28 INT Interrupt Logic LP Filter 32 V CCI 31 P27 P17–P10 P07–P00 –P20 Data From Shift Register Write Configuration Pulse Write Pulse Read Pulse Write Polarity Pulse Polarity Inversion Register Input Port Register Output Port Register Configuration Register VCCP GND Input Port Register Data Polarity Register Data ESD Protection Diode P00 to P27 Output Port Register Data To INT Q1 Q2 D FF CK Q Q D FF C K Q Q D FF CK Q Q D FF CK Q Q Data From Shift Register Data From Shift Register TCA6424 LOW-VOLTAGE 24-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS SCPS175 – NOVEMBER 2007 LOGIC DIAGRAM (POSITIVE LOGIC) A. All I/Os are set to inputs at reset. B. Pin numbers shown are for the RGJ package. Simplified Schematic of P00 to P27 A. On power up or reset, all registers return to default values. 4 Submit Documentation Feedback Copyright © 2007, Texas Instruments Incorporated Product Folder Link(s): TCA6424 |
Аналогичный номер детали - TCA6424 |
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Аналогичное описание - TCA6424 |
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