參數(shù)資料
型號(hào): PCA9539PW,118
廠商: NXP Semiconductors
文件頁(yè)數(shù): 33/37頁(yè)
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 16B 24TSSOP
產(chǎn)品培訓(xùn)模塊: I²C Bus Fundamentals
特色產(chǎn)品: NXP - I2C Interface
標(biāo)準(zhǔn)包裝: 1
接口: I²C,SM 總線
輸入/輸出數(shù): 16
中斷輸出:
頻率 - 時(shí)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(yīng)商設(shè)備封裝: 24-TSSOP
包裝: 標(biāo)準(zhǔn)包裝
包括: POR
產(chǎn)品目錄頁(yè)面: 825 (CN2011-ZH PDF)
其它名稱: 568-1843-6
PCA9539_PCA9539R
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2013. All rights reserved.
Product data sheet
Rev. 6 — 6 February 2013
5 of 37
NXP Semiconductors
PCA9539; PCA9539R
16-bit I2C-bus and SMBus low power I/O port with interrupt and reset
5.2 Pin description
[1]
HVQFN24 package die supply ground is connected to both VSS pin and exposed center pad. 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 3.
Pin description
Symbol
Pin
Description
SO24, TSSOP24
HVQFN24
INT
1
22
interrupt output (open-drain)
A1
2
23
address input 1
RESET
3
24
active LOW reset input. Driving this pin LOW
causes:
PCA9539 to reset its state machine and
registers
PCA9539R to reset its state machine, but
has no effect on its registers
IO0_0
4
1
port 0 input/output 0
IO0_1
5
2
port 0 input/output 1
IO0_2
6
3
port 0 input/output 2
IO0_3
7
4
port 0 input/output 3
IO0_4
8
5
port 0 input/output 4
IO0_5
9
6
port 0 input/output 5
IO0_6
10
7
port 0 input/output 6
IO0_7
11
8
port 0 input/output 7
VSS
12
supply ground
IO1_0
13
10
port 1 input/output 0
IO1_1
14
11
port 1 input/output 1
IO1_2
15
12
port 1 input/output 2
IO1_3
16
13
port 1 input/output 3
IO1_4
17
14
port 1 input/output 4
IO1_5
18
15
port 1 input/output 5
IO1_6
19
16
port 1 input/output 6
IO1_7
20
17
port 1 input/output 7
A0
21
18
address input 0
SCL
22
19
serial clock line input
SDA
23
20
serial data line open-drain input/output
VDD
24
21
supply voltage
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