PCF8570T datasheet(4/20 Pages) PHILIPS

部件名	PCF8570T

功能描述	256 x 8-bit static low-voltage RAM with I2C-bus interface

PDF	20 Pages

Scroll/Zoom	100%

制造商	PHILIPS [NXP Semiconductors]

网页	http://www.nxp.com

标志

4 / 20 page

1999 Jan 06

Philips Semiconductors

Product speciﬁcation

256

× 8-bit static low-voltage RAM with

I2C-bus interface

PCF8570

BLOCK DIAGRAM

Fig.1 Block diagram.

handbook, full pagewidth

MLB928

WORD

ADDRESS

SHIFT

POWER

RESET

INPUT

FILTER

ROW

SELECT

MEMORY

CELL

ARRAY

COLUMN

SELECT

MULTIPLEXER

R/W

CONTROL

I C BUS

CONTROL

SCL

SDA

VDD

VSS

TEST

PCF8570

PINNING

SYMBOL

DESCRIPTION

hardware address input 0

hardware address input 1

hardware address input 2

VSS

negative supply

SDA

serial data input/output

SCL

serial clock input

TEST

Input for power-saving mode (see section

“Power-saving mode”). Also used as a test output

during manufacture. TEST should be tied to VSS

during normal operation.

VDD

positive supply

Fig.2 Pin configuration.

page

MLB929

PCF8570

SCL

SDA

VDD

VSS

TEST

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