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PCA9500

Features: • 8 general purpose input/output expander/collector• Drop in replacement for PCF8574 with integrated 2-kbit EEPROM• Internal 256 × 8 EEPROM• Self timed write cycle• 4 byte page write operation• I2C and SMBus interface logic• Internal power-on res...

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SeekIC No. : 004456271 Detail

PCA9500: Features: • 8 general purpose input/output expander/collector• Drop in replacement for PCF8574 with integrated 2-kbit EEPROM• Internal 256 × 8 EEPROM• Self timed write cycle&...

PCA9500 Data Sheet

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Part Number:
PCA9500
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/25

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Product Details

Description



Features:


• 8 general purpose input/output expander/collector
• Drop in replacement for PCF8574 with integrated 2-kbit EEPROM
• Internal 256 × 8 EEPROM
• Self timed write cycle
• 4 byte page write operation
• I2C and SMBus interface logic
• Internal power-on reset
• Noise filter on SCL/SDA inputs
• 3 address pins allowing up to 8 devices on the I2C/SMBus
• No glitch on power-up
• Supports hot insertion
• Power-up with all channels configured as inputs
• Low standby current
• Operating power supply voltage range of 2.5 V to 3.6 V
• 5 V tolerant inputs/outputs
• 0 kHz to 400 kHz clock frequency
• ESD protection exceeds 2000 V HBM per JESD22-A114,
   200 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101
• Latch-up testing is done to JESDEC Standard JESD78 which exceeds 100 mA
• Package offerred: SO16, TSSOP16, HVQFN16



Specifications

symbol partameter conditions MIN MAX unit
VDD Supply voltage   -0.5  6.0  V
VI/O DC voltage on an I/O   VSS- 0.5
 5.5  V
I I/O DC output current on an I/O    - +25  MA

ISS		 upply current    - 100  MA
Ptot Total power dissipation    - 400  MA
Tstg Storage temperature range    - +150  MA
Tamb Operating ambient temperature    -  +85  MW



Description

    The PCA9500 is an 8-bit I/O expander with an on-board 2-kbit EEPROM. The I/O expanders eight quasi bidirectional data pins can be independently assigned as inputs or outputs to monitor board level status or activate indicator devices such as LEDs. The system master writes to the I/O configuation bits in the same way as for thePCF8574. The data of PCA9500 for each Input or Output is kept in the corresponding Input or Output register. The system master  of PCA9500 can read all registers. The EEPROM can be used to store error codes or board manufacturing data for read-back by application software for diagnostic purposes and is included in the I/O expander package.




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