PCB2421P View Datasheet(PDF) - Philips Electronics
Part Name
Description
MFG CO.
'PCB2421P' PDF : 24 Pages View PDF
Philips Semiconductors
1K dual mode serial EEPROM
Preliminary specification
PCB2421
CONTENTS
1
2
3
4
5
6
6.1
6.2
6.3
6.3.1
6.3.2
6.3.3
6.3.4
6.3.5
6.3.6
6.3.7
6.4
6.4.1
6.4.2
6.5
6.6
6.7
6.7.1
6.7.2
6.7.3
6.8
6.8.1
6.8.2
6.8.3
6.8.4
6.8.5
6.8.6
FEATURES
GENERAL DESCRIPTION
ORDERING INFORMATION
BLOCK DIAGRAM
PINNING
FUNCTIONAL DESCRIPTION
Transmit-only mode (DDC1)
Initialization procedure
Bidirectional mode (DDC2B, I2C-bus mode)
Bidirectional mode bus characteristics
Bus not busy (A)
Start condition (B)
Stop condition (C)
Data valid (D)
Acknowledge
Slave address
Write operation
Byte write
Page write
Acknowledge polling
Write protection
Read operation
Current address read
Random read
Sequential read
Pin description
SDA
SCL
VCLK
WP
Test
n.c.
7
8
9
10
11
11.1
11.2
12
13
13.1
13.2
13.2.1
13.2.2
13.3
13.3.1
13.3.2
13.3.3
14
15
16
LIMITING VALUES
DC CHARACTERISTICS
EEPROM CHARACTERISTICS
AC CHARACTERISTICS
APPLICATION INFORMATION
Diode protection
Functional compatibility with microchip 24CL21
dual mode EEPROM
PACKAGE OUTLINES
SOLDERING
Introduction
DIP
Soldering by dipping or by wave
Repairing soldered joints
SO
Reflow soldering
Wave soldering
Repairing soldered joints
DEFINITIONS
LIFE SUPPORT APPLICATIONS
PURCHASE OF PHILIPS I2C COMPONENTS
1997 Apr 01
2
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