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參數(shù)資料
型號: PCA8575PW,118
廠商: NXP Semiconductors
文件頁數(shù): 26/30頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 16B 24TSSOP
特色產品: NXP - I2C Interface
標準包裝: 1
接口: I²C
輸入/輸出數(shù): 16
中斷輸出:
頻率 - 時鐘: 400kHz
電源電壓: 2.3 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-TSSOP(0.173",4.40mm 寬)
供應商設備封裝: 24-TSSOP
包裝: 標準包裝
包括: POR
其它名稱: 568-8248-6
PCA8575_2
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 02 — 21 March 2007
5 of 30
NXP Semiconductors
PCA8575
Remote 16-bit I/O expander for I2C-bus with interrupt
6.2 Pin description
[1]
HVQFN and DHVQFN package die supply ground is connected to both the VSS pin and the exposed center
pad. The VSS pin must be connected to supply ground for proper device operation. For enhanced thermal,
electrical, and board-level performance, the exposed pad needs to be soldered to the board using a
corresponding thermal pad on the board, and for proper heat conduction through the board thermal vias
need to be incorporated in the PCB in the thermal pad region.
Table 2.
Pin description
Symbol
Pin
Description
SO24, SSOP24,
TSSOP24, DHVQFN24
HVQFN24
INT
1
22
interrupt output (active LOW)
AD1
2
23
address input 1
AD2
3
24
address input 2
P00
4
1
quasi-bidirectional I/O 00
P01
5
2
quasi-bidirectional I/O 01
P02
6
3
quasi-bidirectional I/O 02
P03
7
4
quasi-bidirectional I/O 03
P04
8
5
quasi-bidirectional I/O 04
P05
9
6
quasi-bidirectional I/O 05
P06
10
7
quasi-bidirectional I/O 06
P07
11
8
quasi-bidirectional I/O 07
VSS
12[1]
supply ground
P10
13
10
quasi-bidirectional I/O 10
P11
14
11
quasi-bidirectional I/O 11
P12
15
12
quasi-bidirectional I/O 12
P13
16
13
quasi-bidirectional I/O 13
P14
17
14
quasi-bidirectional I/O 14
P15
18
15
quasi-bidirectional I/O 15
P16
19
16
quasi-bidirectional I/O 16
P17
20
17
quasi-bidirectional I/O 17
AD0
21
18
address input 0
SCL
22
19
serial clock line input
SDA
23
20
serial data line input/output
VDD
24
21
supply voltage
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