PCA9548A 데이터 시트보기 (PDF) - NXP Semiconductors.
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PCA9548A Datasheet PDF : 30 Pages
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NXP Semiconductors
PCA9548A
8-channel I2C-bus switch with reset
5.2 Pin description
Table 3.
Symbol
A0
A1
RESET
SD0
SC0
SD1
SC1
SD2
SC2
SD3
SC3
VSS
SD4
SC4
SD5
SC5
SD6
SC6
SD7
SC7
A2
SCL
SDA
VDD
Pin description
Pin
SO24, TSSOP24
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
HVQFN24
22
23
24
1
2
3
4
5
6
7
8
9[1]
10
11
12
13
14
15
16
17
18
19
20
21
Description
address input 0
address input 1
active LOW reset input
serial data 0
serial clock 0
serial data 1
serial clock 1
serial data 2
serial clock 2
serial data 3
serial clock 3
supply ground
serial data 4
serial clock 4
serial data 5
serial clock 5
serial data 6
serial clock 6
serial data 7
serial clock 7
address input 2
serial clock line
serial data line
supply voltage
[1] HVQFN24 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.
PCA9548A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5.1 — 1 October 2015
© NXP B.V. 2015. All rights reserved.
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