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PCA9500PW Datasheet(PDF) 3 Page - NXP Semiconductors |
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PCA9500PW Datasheet(HTML) 3 Page - NXP Semiconductors |
3 / 21 page Philips Semiconductors Product data sheet PCA9500 8-bit I2C and SMBus I/O port with 2-kbit EEPROM 2004 Sep 30 3 PIN CONFIGURATION – SO, TSSOP 1 2 3 4 5 6 7 8 SW00902 9 10 11 12 13 14 15 16 A0 A1 A2 I/O0 I/O1 I/O2 I/O3 VSS VDD SDA SCL WC I/O7 I/O6 I/O5 I/O4 PCA9500 Figure 1. Pin configuration – SO, TSSOP PIN CONFIGURATION – HVQFN 12 11 10 9 1 2 3 4 SW02004 TOP VIEW A2 I/O0 I/O1 I/O2 I/O3 I/O4 VSS I/O5 WC I/O6 I/O7 SDA VDD A0 A1 SCL Figure 2. Pin configuration – HVQFN PIN DESCRIPTION SO, TSSOP PIN NUMBER HVQFN PIN NUMBER SYMBOL NAME AND FUNCTION 1,2,3 15, 16, 1 A0–2 Address lines (internal pull-up) 4,5,6,7 2, 3, 4, 5 I/O0 to I/O3 Quasi-bidirectional I/O pins 8 6 VSS Supply ground 9,10,11,12 7, 8, 9, 10 I/O4 to I/O7 Quasi-bidirectional I/O pins 13 11 WC Active LOW write control pin 14 12 SCL I2C Serial Clock 15 13 SDA I2C Serial Data 16 14 VDD Supply Voltage BLOCK DIAGRAM POWER-ON RESET INPUT FILTER I2C/SMBus CONTROL INPUT/ OUTPUT PORTS WRITE pulse READ pulse A0 A1 A2 SCL SDA VDD VSS 8-BIT I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 SW01074 PCA9500 WC EEPROM 256 x 8 300 k Ω Figure 3. Block diagram |
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