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PCAL6408AHKX Datasheet(PDF) 7 Page - NXP Semiconductors

Part # PCAL6408AHKX
Description  Low-voltage translating, 8-bit I2C-bus/SMBus I/O expander with interrupt output, reset, and configuration registers
PDF  59 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCAL6408AHKX Datasheet(HTML) 7 Page - NXP Semiconductors

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NXP Semiconductors
PCAL6408A
Low-voltage translating, 8-bit I2C-bus/SMBus I/O expander with interrupt output, reset, and
configuration registers
A
B
C
D
1
2
3
4
PCAL6408AEX
Transparent top view
002aah675
ball A1
index area
Figure 5. Pin configuration for 1.6 mm × 1.6 mm XFBGA16
PCAL6408AEX1
Transparent top view
aaa-026716
terminal 1
index area
A
1
2
3
4
B
C
D
Figure 6. Pin configuration for 1.6 mm × 1.6 mm X2QFN16 EX1 land grid array
RESET
VDD(I2C-bus)
VDD(P)
1
2
3
P0
ADDR
SDA
A
B
P2
P1
P7
C
002aah676
Transparent top view
SCL
4
INT
P6
P3
VSS
P4
D
P5
Figure 7. Ball mapping for 1.6 mm × 1.6 mm XFBGA16/X2QFN16
5.2 Pin description
Pin
Symbol
TSSOP16
HVQFN16
XQFN16
XFBGA16,
X2QFN16
Description
VDD(I2C-bus)
1
15
15
A2
Supply voltage of I2C-bus. Connect directly to the VDD of the
external I2C controller. Provides voltage-level translation.
ADDR
2
16
16
B2
Address input. Connect directly to VDD(P) or ground.
RESET
3
1
1
A1
Active LOW reset input. Connect to VDD(I2C-bus) through a pull-up
resistor if no active connection is used.
P0[1]
4
2
2
B1
Port P input/output 0.
P1[1]
5
3
3
C2
Port P input/output 1.
Table 3. Pin description
PCAL6408A
All information provided in this document is subject to legal disclaimers.
© 2024 NXP B.V. All rights reserved.
Product data sheet
Rev. 3.3 — 14 October 2024
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