PCA9654EDTR2G Standard Logic by ON Semiconductor

I/O Expander, I2C / SMBus, 8-bit, with Interrupt

Status: Active
Series: PCA9654E
RoHS: Compliant
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The PCA9654E provides 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C−bus/SMBus applications. The PCA9654E consists of 8−bit Configuration (Input or Output selection); Input, Output and Polarity Inversion (active HIGH or active LOW operation) registers. The system master may set the I/Os as either inputs or outputs by writing to the I/O configuration bits. The data for each Input or Output is kept in the corresponding Input or Output register. The polarity of the read register can be inverted with the Polarity Inversion register. All registers can be read by the system master. The PCA9654E open−drain interrupt (INTb) output is activated when any input state differs from its corresponding input port register state and is used to indicate to the system master that an input state has changed. The power−on reset sets the registers to their default values and initializes the device state machine. Three hardware pins (AD0, AD1, AD2) vary the fixed I2C bus address and allow up to 64 devices to share the same I2C−bus/SMBus.

Where to Buy

Prices starting from US$0.38

Distributor Stock
Logo for Farnell
Farnell
from US$1.54
2,432
in stock
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Logo for element14
element14
from US$1.76
2,432
in stock
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Logo for Newark Electronics
Newark Electronics
from US$0.38
6
in stock
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Logo for Avnet America
Avnet America
-
2,500
in stock
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Logo for Avnet Asia
Avnet Asia
from US$0.90
-
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Logo for Avnet Silica
Avnet Silica
-
-
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Features

VDD Operating Range: 1.65 V to 5.5 V
SDA Sink Capability: 30 mA
5.5 V Tolerant I/Os
Polarity Inversion Register
Active LOW Interrupt Output
Low Standby Current
Noise Filter on SCL/SDA Inputs
No Glitch on Power−up
Internal Power−on Reset
64 Programmable Slave Addresses Using 3 Address Pins
8 I/O Pins which Default to 8 Inputs

Specifications

Description PCA9654E
Compliance AEC Qualified PPAP Capable Pb-free Halide free
I/O 8
Cascadable 64 Slave ID Addresses
VCC Min (V) 1.65
VCC Max (V) 5.5
Interrupt Output Yes
I/O Pullups Yes
LED Blink/PWM No
IO Min (mA) 8
Package Type TSSOP-16

Alternative Descriptions

I/O EXPANDER, 8BIT, 1MHZ, TSSOP-16 | element14
I/O Expander, 8Bit, 1Mhz, Tssop-16 | Newark Electronics
I/O Expander, 8 Bit, 8 I/Os, I2C, SMBus, 1.65 V to 5.5 V, 16 Pins, TSSOP | Avnet America
I2C and SMBus I/O Expander 16-Pin TSSOP T/R | Avnet Asia


Frequently Asked Questions

Where can I find additional details, specifications and documents for a PCA9654EDTR2G?

Additional datasheets, footprints and schematics for PCA9654EDTR2G are listed on our Part Details page. You can also find images and similar parts to PCA9654EDTR2G on this page.

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What category does PCA9654EDTR2G fall under?

The PCA9654EDTR2G is listed under Timing, Logic & Memory > Standard Logic > I/O Expanders.

Can I view similar or alternative parts?

You can view similar parts to PCA9654EDTR2G when available in the I/O Expanders range under the specifications section at the bottom of the details page.

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Is the PCA9654EDTR2G RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by ON Semiconductor.

Which authorised distributors for PCA9654EDTR2G have stock available?

Authorised distributors including element14, Farnell, Newark Electronics, Avnet America and Avnet Asia have stock available or on a lead time for PCA9654EDTR2G.

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