參數(shù)資料
型號(hào): PCA9538D,118
廠商: NXP Semiconductors
文件頁數(shù): 30/34頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 8B 16SOIC
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): 8
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: 16-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 16-SO
包裝: 標(biāo)準(zhǔn)包裝
包括: POR
其它名稱: 568-1839-6
PCA9538
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 34
NXP Semiconductors
PCA9538
8-bit I2C-bus and SMBus low power I/O port with interrupt and reset
5.2 Pin description
[1]
HVQFN16 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 printed-circuit board in the thermal pad region.
Table 3.
Pin description
Symbol
Pin
Description
SO16, TSSOP16
HVQFN16
A0
1
15
address input 0
A1
2
16
address input 1
RESET
3
1
active LOW reset input
IO0
4
2
input/output 0
IO1
5
3
input/output 1
IO2
6
4
input/output 2
IO3
7
5
input/output 3
VSS
supply ground
IO4
9
7
input/output 4
IO5
10
8
input/output 5
IO6
11
9
input/output 6
IO7
12
10
input/output 7
INT
13
11
interrupt output (open-drain)
SCL
14
12
serial clock line
SDA
15
13
serial data line
VDD
16
14
supply voltage
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