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PCA9501 Datasheet(PDF) 3 Page - NXP Semiconductors

Part # PCA9501
Description  8-bit I2C-bus and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins
PDF  28 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA9501 Datasheet(HTML) 3 Page - NXP Semiconductors

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PCA9501_4
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 10 February 2009
3 of 28
NXP Semiconductors
PCA9501
8-bit I2C-bus and SMBus I/O port with interrupt, 2-kbit EEPROM
5.
Block diagram
6.
Pinning information
6.1 Pinning
Fig 1.
Block diagram of PCA9501
PCA9501
POWER-ON
RESET
002aac000
VSS
VDD
I2C-BUS/SMBus
CONTROL
INPUT
FILTER
SCL
SDA
A0
INT
8-bit
IO0
IO1
IO2
IO3
IO4
IO5
IO6
IO7
INPUT/
OUTPUT
PORTS
write pulse
read pulse
LP
FILTER
300 k
Ω
A1
A2
A3
A4
A5
EEPROM
256
× 8
WC
VDD
Fig 2.
Pin configuration for SO20
Fig 3.
Pin configuration for TSSOP20
PCA9501D
A0
VDD
A1
SDA
A2
SCL
IO0
WC
IO1
IO7
IO2
IO6
IO3
IO5
INT
IO4
A5
A3
VSS
A4
002aab997
1
2
3
4
5
6
7
8
9
10
12
11
14
13
16
15
18
17
20
19
A0
VDD
A1
SDA
A2
SCL
IO0
WC
IO1
IO7
IO2
IO6
IO3
IO5
INT
IO4
A5
A3
VSS
A4
PCA9501PW
002aab998
1
2
3
4
5
6
7
8
9
10
12
11
14
13
16
15
18
17
20
19



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