PCA9554A(2006) 데이터 시트보기 (PDF) - NXP Semiconductors.
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PCA9554A Datasheet PDF : 30 Pages
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NXP Semiconductors
PCA9554/PCA9554A
8-bit I2C-bus and SMBus I/O port with interrupt
INT 1
SCL 2
n.c. 3
SDA 4
VDD 5
A0 6
A1 7
n.c. 8
A2 9
IO0 10
PCA9554TS
PCA9554ATS
20 IO7
19 IO6
18 n.c.
17 IO5
16 IO4
15 VSS
14 IO3
13 n.c.
12 IO2
11 IO1
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Fig 6. Pin configuration for SSOP20
terminal 1
index area
PCA9554BS
PCA9554ABS
terminal 1
index area
PCA9554BS3
PCA9554ABS3
A2 1
IO0 2
IO1 3
IO2 4
12 SCL
11 INT
10 IO7
9 IO6
A2 1
IO0 2
IO1 3
IO2 4
12 SCL
11 INT
10 IO7
9 IO6
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Transparent top view
Fig 7. Pin configuration for HVQFN16
(SOT629-1)
Transparent top view
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Fig 8. Pin configuration for HVQFN16
(SOT758-1)
PCA9554_9554A_7
Product data sheet
Rev. 07 — 13 November 2006
© NXP B.V. 2006. All rights reserved.
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