PCA9522 데이터 시트보기 (PDF) - NXP Semiconductors.
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PCA9522 Datasheet PDF : 20 Pages
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NXP Semiconductors
6. Pinning information
6.1 Pinning
PCA9522
Fast dual bidirectional bus buffer with hot insertion logic
EN 1
SCLC 2
SCLB 3
GND 4
8 VCC
7 SDAC
PCA9522D
6 SDAB
5 RDY
002aaf319
Fig 2. Pin configuration for SO8
EN 1
SCLC 2
SCLB 3
GND 4
PCA9522DP
8 VCC
7 SDAC
6 SDAB
5 RDY
002aaf320
Fig 3. Pin configuration for TSSOP8
6.2 Pin description
Table 2.
Symbol
EN
SCLC
SCLB
GND
RDY
SDAB
SDAC
VCC
Pin description
Pin
1
2
3
4
5
6
7
8
Description
enable
SCL buffer, card side[1]
SCL buffer, backplane side[2]
supply ground
ready
SDA buffer, backplane side[2]
SDA buffer, card side[1]
positive supply
[1] Card side is equivalent to SCL_OUT / SDA_OUT.
[2] Backplane side is equivalent to SCL_IN / SDA_IN.
PCA9522
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 28 September 2011
© NXP B.V. 2011. All rights reserved.
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