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PCA9555DB Datasheet(PDF) 3 Page - NXP Semiconductors |
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PCA9555DB Datasheet(HTML) 3 Page - NXP Semiconductors |
3 / 22 page Philips Semiconductors Product data sheet PCA9555 16-bit I2C and SMBus I/O port with interrupt 2004 Sep 30 3 PIN CONFIGURATION — DIP, SO, SSOP, TSSOP su01438 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 INT A1 A2 I/O0.0 I/O0.1 I/O0.2 I/O0.3 I/O0.4 I/O0.5 I/O0.6 I/O0.7 VDD SDA SCL A0 I/O1.7 I/O1.6 I/O1.5 I/O1.3 I/O1.4 I/O1.2 I/O1.1 I/O1.0 VSS Figure 1. Pin configuration — DIP, SO, SSOP, TSSOP PIN CONFIGURATION — HVQFN 18 17 16 15 14 1 2 3 4 5 su01683 TOP VIEW I/O0.0 A0 6 13 I/O0.1 I/O0.2 I/O0.3 I/O0.4 I/O0.5 I/O1.3 I/O1.4 I/O1.5 I/O1.6 I/O1.7 Figure 2. Pin configuration — HVQFN PIN DESCRIPTION PIN NUMBER SYMBOL FUNCTION DIP, SO, SSOP, TSSOP HVQFN SYMBOL FUNCTION 1 22 INT Interrupt output (open-drain) 2 23 A1 Address input 1 3 24 A2 Address input 2 4–11 1–8 I/O0.0–I/O0.7 I/O0.0 to I/O0.7 12 9 VSS Supply ground 13–20 10–17 I/O1.0–I/O1.7 I/O1.0 to I/O1.7 21 18 A0 Address input 0 22 19 SCL Serial clock line 23 20 SDA Serial data line 24 21 VDD Supply voltage |
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