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I/O Expanders | PCA9654E

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

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Overview

The PCA9654E provides 8 bits of General Purpose parallelInput/Output (GPIO) expansion for I2C鈭抌us/SMBus applications.
The PCA9654E consists of 8鈭抌it 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鈭抎rain 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鈭抩n 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 I2颁鈭抌耻蝉/厂惭叠耻蝉.

  • 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鈭抲p
  • Internal Power鈭抩n Reset
  • 64 Programmable Slave Addresses Using 3 Address Pins
  • 8 I/O Pins which Default to 8 Inputs

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PCA9654EDR2G

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Last Shipments

CAD Model

Pb

A

H

P

SOIC-16

751B-05

1

260

REEL

2500

N

8

64 Slave ID Addresses

1.65

5.5

Yes

Yes

No

8

Price N/A

More Details

PCA9654EDTR2G

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Last Shipments

CAD Model

Pb

A

H

P

TSSOP-16

948F-01

1

260

REEL

2500

N

8

64 Slave ID Addresses

1.65

5.5

Yes

Yes

No

8

Price N/A

More Details

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Reliability Data

Die Related Summary Data

Device: PCA9654EDR2G

Equivalent to wafer fab process: CMOS SUB

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

CMOS SUB

2

920154574

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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