CAT1025(2004) 데이터 시트보기 (PDF) - Catalyst Semiconductor => Onsemi

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CAT1025
(Rev.:2004)

Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM and Manual Reset

Catalyst Semiconductor => Onsemi 

CAT1024, CAT1025

BLOCK DIAGRAM — CAT1024, CAT1025

EXTERNAL LOAD

VCC

VSS

DOUT

ACK

WORD ADDRESS

BUFFERS

SENSE AMPS

SHIFT REGISTERS

COLUMN

DECODERS

SDA

WP*

START/STOP

LOGIC

CONTROL

LOGIC

XDEC

2kbit

EEPROM

Threshold Voltage Options

Part Dash Minimum Maximum

Number Threshold Threshold

-45

4.50

4.75

-42

4.25

4.50

-30

3.00

3.15

-28

2.85

3.00

-25

2.55

2.70

DATA IN STORAGE

HIGH VOLTAGE/

TIMING CONTROL

RESET Controller

STATE COUNTERS

SCL

Precision

SLAVE

MR

Vcc Monitor

ADDRESS

COMPARATORS

*CAT1025 Only

* RESET RESET

PIN FUNCTIONS

Pin Name Function

NC

RESET

VSS

SDA

SCL

RESET

VCC

WP

MR

No Connect

Active Low Reset Input/Output

Ground

Serial Data/Address

Clock Input

Active High Reset Output (CAT1025 only)

Power Supply

Write Protect (CAT1025 only)

Manual Reset Input

OPERATING TEMPERATURE RANGE

Industrial

Extended

-40˚C to 85˚C

-40˚C to 125˚C

Doc. No. 3008, Rev. M

2

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