PCB2421P View Datasheet(PDF) - Philips Electronics

Part Name

Description

MFG CO.

PCB2421P

1K dual mode serial EEPROM

Philips Electronics 

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Philips Semiconductors

1K dual mode serial EEPROM

Preliminary specification

PCB2421

4 BLOCK DIAGRAM

book, full pagewidth

VSS VDD

4

8

WP

SDA

SCL

VCLK

3

5

6

I/O

CONTROL

7 LOGIC

MEMORY

CONTROL

LOGIC

X

DECODER

HV GENERATOR

EEPROM

ARRAY

PAGE LATCHES

2

n.c.

TEST(1)

1

PCB2421

Y

DECODER

SENSE AMPLIFIER

R/W CONTROL

(1) Factory use only.

Fig.1 Block diagram.

MBG271

5 PINNING

SYMBOL PIN

DESCRIPTION

TEST

1 factory use only: must be tied to VDD;

may not be left open-circuit

n.c.

2 may be tied to VSS, VDD, or left

open-circuit

WP

3 write protect input (LOW = write

protected, HIGH = not write protected);

may not be left open-circuit

VSS

SDA

4 ground

5 serial data input/output

SCL

6 serial clock input/output (DDC2B)

VCLK

7 serial clock input (transmit-only mode,

DDC1)

VDD

8 supply voltage

handbook, halfpage

TEST 1

n.c. 2

WP 3

VSS 4

8 VDD

7 VCLK

PCB2421

6 SCL

5 SDA

MBG272

Fig.2 Pin configuration.

1997 Apr 01

4

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