CAT1021 Просмотр технического описания (PDF) - ON Semiconductor

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CAT1021

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

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CAT1021, CAT1022, CAT1023

Table 1. THRESHOLD VOLTAGE OPTION

Part Dash

Number

Minimum

Threshold

Maximum

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

EXTERNAL LOAD

VCC

VSS

BLOCK DIAGRAM

DOUT

ACK

WORDADDRESS

BU F F E R S

SENSEAMPS

SHIFT REGISTERS

COLUMN

DECODERS

SDA

STA RT/ STOP

LOGIC

WP

(CAT1021)

CONTROL

LOGIC

XDEC

2kbit

EEPROM

DATA IN STORAGE

HIGHVOLTAGE/

TIMING CONTROL

RESET Controller

STATE COUNTERS

SCL

Precision

SLAVE

MR

Vcc Monitor

ADDRESS

COMPARATORS

RESET

(CAT1021/23)

RESET

WDI

(CAT1023)

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