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PCA9554DB Datasheet(PDF) 3 Page - NXP Semiconductors |
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PCA9554DB Datasheet(HTML) 3 Page - NXP Semiconductors |
3 / 20 page Philips Semiconductors Product data sheet PCA9554/PCA9554A 8-bit I2C and SMBus I/O port with interrupt 2004 Sep 30 3 PIN CONFIGURATION — 16-pin DIP, SO, SSOP, TSSOP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 su01410 A0 A1 A2 I/O0 I/O1 I/O2 I/O3 VSS VDD SDA SCL INT I/O7 I/O6 I/O5 I/O4 Figure 1. Pin configuration — 16-pin DIP, SO, SSOP, TSSOP PIN CONFIGURATION — 20-pin SSOP 1 2 3 4 5 6 7 8 9 11 12 13 14 15 16 17 18 19 20 INT SCL n.c. SDA VDD A0 A1 n.c. A2 I/O0 I/O7 I/O6 n.c. I/O5 I/O4 VSS I/O3 I/O2 n.c. I/O1 10 SW02269 Figure 1. Pin configuration — 20-pin SSOP PIN CONFIGURATION — HVQFN 12 11 10 9 1 2 3 4 su01670 TOP VIEW A2 I/O0 I/O1 I/O2 I/O3 I/O4 VSS I/O5 INT I/O6 I/O7 SDA VDD A0 A1 SCL Figure 2. Pin Configuration — HVQFN PIN DESCRIPTION DIP16, SO16, SSOP16, TSSOP16 PIN NUMBER HVQFN16 PIN NUMBER SSOP20 PIN NUMBER SYMBOL FUNCTION 1 15 6 A0 Address input 0 2 16 7 A1 Address input 1 3 1 9 A2 Address input 2 4–7 2–5 10–12, 14 I/O0 to I/O3 I/O0 to I/O3 8 6 15 VSS Supply ground 9 7–10 16, 17, 19, 20 I/O4 to I/O7 I/O4 to I/O7 13 11 1 INT Interrupt output (open drain) 14 12 2 SCL Serial clock line 15 13 4 SDA Serial data line 16 14 5 VDD Supply voltage – – 3, 8, 13, 18 n.c. not connected |
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