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What is PCA8581CP?

This electronic component, produced by the manufacturer "NXP Semiconductors", performs the same function as "128 x 8-bit EEPROM with I2C-bus interface".


PCA8581CP Datasheet PDF - NXP Semiconductors

Part Number PCA8581CP
Description 128 x 8-bit EEPROM with I2C-bus interface
Manufacturers NXP Semiconductors 
Logo NXP Semiconductors Logo 


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INTEGRATED CIRCUITS
DATA SHEET
PCA8581; PCA8581C
128 × 8-bit EEPROM with I2C-bus
interface
Product specification
Supersedes data of 1996 Aug 19
File under Integrated Circuits, IC12
1997 Apr 02

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PCA8581CP equivalent
Philips Semiconductors
128 × 8-bit EEPROM with I2C-bus interface
Product specification
PCA8581; PCA8581C
7 CHARACTERISTICS OF THE I2C-BUS
The I2C-bus is for bidirectional, two-line communication
between different ICs or modules. The two lines are a
serial data line (SDA) and a serial clock line (SCL). Both
lines must be connected to a positive supply via a pull-up
resistor. Data transfer may be initiated only when the bus
is not busy.
7.1 Bit transfer
One data bit is transferred during each clock pulse.
The data on the SDA line must remain stable during the
HIGH period of the clock pulse as changes in the data line
at this time will be interpreted as a control signal.
SDA
SCL
data line
stable;
data valid
change
of data
allowed
MBA607
Fig.3 Bit transfer.
7.2 Start and stop conditions
Both data and clock lines remain HIGH when the bus is not busy. A HIGH-to-LOW transition of the data line, while the
clock is HIGH is defined as the start condition (S). A LOW-to-HIGH transition of the data line while the clock is HIGH is
defined as the stop condition (P).
SDA
SCL
S
START condition
SDA
SCL
P
STOP condition
MBA608
Fig.4 Definition of START and STOP conditions.
1997 Apr 02
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for PCA8581CP electronic component.


Information Total 20 Pages
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