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PCF8570

Features: · Operating supply voltage 2.5 to 6.0 V· Low data retention voltage; minimum 1.0 V· Low standby current; maximum 15 mA· Power-saving mode; typical 50 nA· Serial input/output bus (I2C-bus)· Address by 3 hardware address pins· Automatic word address incrementing· Available in DIP8 and SO8 ...

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SeekIC No. : 004456454 Detail

PCF8570: Features: · Operating supply voltage 2.5 to 6.0 V· Low data retention voltage; minimum 1.0 V· Low standby current; maximum 15 mA· Power-saving mode; typical 50 nA· Serial input/output bus (I2C-bus)·...

PCF8570 Data Sheet

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Part Number:
PCF8570
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:

· Operating supply voltage 2.5 to 6.0 V
· Low data retention voltage; minimum 1.0 V
· Low standby current; maximum 15 mA
· Power-saving mode; typical 50 nA
· Serial input/output bus (I2C-bus)
· Address by 3 hardware address pins
· Automatic word address incrementing
· Available in DIP8 and SO8 packages.


Application

` Telephony:
        RAM expansion for stored numbers in repertory dialling (e.g. PCD33xxA applications)
` General purpose RAM for applications requiring extremely low current and low-voltage RAM retention, such as battery or capacitor-backed.
` Radio, television and video cassette recorder:
        channel presets
` General purpose:
        RAM expansion for the microcontroller families PCD33xxA, PCF84CxxxA, P80CLxxx and most other microcontrollers.


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER MIN. MAX. UNIT
VDD supply voltage (pin 8) -0.8 +8.0 V
VI input voltage (any input) -0.8 VDD + 0.8 V
II DC input current - ±10 mA
IO DC output current - ±10 mA
IDD positive supply current - ±50 mA
ISS negative supply current - ±50 mA
Ptot total power dissipation per package - 300 mW
PO power dissipation per output - 50 mW
Tamb operating ambient temperature -40 +85
Tstg storage temperature -65 +150



Description

The PCF8570 is a low power static CMOS RAM, organized as 256 words by 8-bits.

Addresses and data of PCF8570 are transferred serially via a two-line bidirectional bus (I2C-bus). The built-in word address register PCF8570 is incremented automatically after each written or read data byte. Three address pins, A0, A1 and A2 are used to define the hardware address, allowing the use of up to 8 devices connected to the bus without additional hardware.




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