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Pericom Semiconductor

PI4IOE5V9675 Datasheet Preview

PI4IOE5V9675 Datasheet

Remote 16-bit I/O expander

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Features
PI4IOE5V9675
Remote 16-bit I/O expander for Fm+ I2C-bus with interrupt
Description
Operation power supply voltage from 2.3V to 5.5V
16-bit remote I/O pins that default to inputs at power-
up
1 MHz I2C-bus interface
Compliant with the I2C-bus Fast and Standard modes
5.5V tolerant I/Os
SDA with 30 mA sink capability for 4000 pF buses
Latched outputs with 25 mA sink capability for
directly driving LEDs
Total package sink capability of 400 mA
Active LOW open-drain interrupt output
Low standby current
64 programmable slave addresses using 3 address
pins
ESD protection (4KV HBM and 1KV CDM)
Latch-up tested (exceeds 100mA)
Offered in two different packages: TSSOP-24 and
TQFN 4x4-24
The PI4IOE5V9675 provides general purpose
remote I/O expansion for most microcontroller families
via the two-line bidirectional bus (I2C-bus) and is a part
of the Fast-mode Plus family.
The PI4IOE5V9675 provides higher Fast-mode Plus
(Fm+) I2C-bus speeds (1 MHz versus 400 kHz) so that
the output can support PWM dimming of LEDs, high
I2C-bus drive (30 mA) so that many more devices can be
on the bus without the need for bus buffers, high total
package sink capacity (400 mA) that supports having all
25 mA LEDs on at the same time and more device
addresses (64) are available to allow many more devices
on the bus without address conflicts.
The device consists of a 16-bit quasi-bidirectional
port and an I2C-bus interface. The PI4IOE5V9675 has a
low current consumption and includes latched outputs
with high current drive capability for directly driving
LEDs.
It also possesses an interrupt line (INT) which can be
connected to the interrupt logic of the microcontroller.
By sending an interrupt signal on this line, the remote
I/O can inform the microcontroller if there is incoming
data on its ports without having to communicate via the
I2C-bus. The internal Power-On Reset (POR) or software
reset sequence initializes the I/Os as inputs.
Pin Configuration
Figure 1:TSSOP-24 (Top View)
2016-06-0008
Figure 2:TQFN 4x4-24(Top View)
PT0555-3
1
08/04/16




Pericom Semiconductor

PI4IOE5V9675 Datasheet Preview

PI4IOE5V9675 Datasheet

Remote 16-bit I/O expander

No Preview Available !

|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Pin Description
Table 1: Pin Description
Pin
TSSOP24
TQFN24
1 22
2 23
Name
INT
AD1
3 24 AD2
4 1 P00
5 2 P01
6 3 P02
7 4 P03
8 5 P04
9 6 P05
10 7 P06
11 8 P07
12 9 GND
13 10 P10
14 11 P11
15 12 P12
16 13 P13
17 14 P14
18 15 P15
19 16 P16
20 17 P17
21 18 AD0
22 19 SCL
23 20 SDA
24 21 VCC
* I = Input; O = Output; P = Power; G = Ground
PI4IOE5V9675
Preliminary Datasheet
16-bit I2C-bus and SMBus I/O port with interrupt
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Type
O
I
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
G
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I
I
P
Description
Interrupt input (open-drain)
Address input 1
Address input 2
Port 0 input/output 0
Port 0 input/output 1
Port 0 input/output 2
Port 0 input/output 3
Port 0 input/output 4
Port 0 input/output 5
Port 0 input/output 6
Port 0 input/output 7
Ground
Port 1 input/output 0
Port 1 input/output 1
Port 1 input/output 2
Port 1 input/output 3
Port 1 input/output 4
Port 1 input/output 5
Port 1 input/output 6
Port 1 input/output 7
Address input 0
Serial clock line input
Serial data line open-drain
Supply voltage
2016-06-0008
PT0555-3
08/04/16
2


Part Number PI4IOE5V9675
Description Remote 16-bit I/O expander
Maker Pericom Semiconductor
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PI4IOE5V9675 Datasheet PDF






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