CAT24C208 데이터 시트보기 (PDF) - Catalyst Semiconductor => Onsemi

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CAT24C208

8-Kb Dual Port Serial EEPROM

Catalyst Semiconductor => Onsemi 

CAT24C208

PIN CONFIGURATION

SOIC (W)

DSP VCC 1

DSP SCL 2

DSP SDA 3

VSS 4

8 DDC VCC

7 EDID SEL

6 DDC SCL

5 DDC SDA

PIN DESCRIPTION

Pin Number

Pin Name

1

DSP VCC

2

DSP SCL

3

DSP SDA

4

VSS

5

DDC SDA

6

DDC SCL

7

EDID SEL

8

DDC VCC

Function

Device power from display controller

The CAT24C208 DSP serial clock bidirectional pin is used to clock all

data transfers into or out of the device DSP SDA pin and is also used to

block DSP Port access when DDC Port is active.

DSP Serial Data/Address. The bidirectional DSP serial data/address pin

is used to transfer data into and out of the device from a display

controller. The DSP SDA pin is an open drain output and can be wire-

OR'ed with other open drain or open collector outputs.

Device ground.

DDC Serial Data/Address. The bidirectional DDC serial data/address

pin is used to transfer data into and out of the device from a DDC host.

The DDC SDA pin is an open drain output and can be wire-OR'ed with

other open drain or open collector outputs.

The CAT24C208 DDC serial clock bidirectional pin is used to clock all

data transfers into or out of the device DDC SDA pin, and is used to

block DDC Port for access when DSP Port is active.

EDID select. The CAT24C208 EDID select input selects the active bank

of memory to be accessed via the DDC SDA/SCL interface as set in

the configuration register.

Device power when powered from a DDC host.

Doc. No. 1044, Rev. F

2

© 2006 by Catalyst Semiconductor, Inc.

Characteristics subject to change without notice

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