CAT1021LI-25-G(2009) 데이터 시트보기 (PDF) - ON Semiconductor

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CAT1021LI-25-G
(Rev.:2009)

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

ON Semiconductor 

CAT1021, CAT1022, CAT1023

BLOCK DIAGRAM

EXTERNAL LOAD

VCC

VSS

DOUT

ACK

WORDADDRESS

BUFFERS

SENSEAMPS

SHIFT REGISTERS

COLUMN

DECODERS

SDA

START/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)

PIN CONFIGURATION

DIP Package (L)

SOIC Package (W)

TSSOP Package (Y)

MSOP Package (Z)

¯M¯R¯ 1

R¯¯E¯S¯E¯T¯ 2

WP 3

VSS 4

CAT1021

8 VCC

7 RESET

6 SCL

5 SDA

¯M¯R¯ 1

R¯¯E¯S¯E¯T¯ 2

NC 3

VSS 4

CAT1022

8 VCC

7 NC

6 SCL

5 SDA

¯M¯R¯ 1

R¯¯E¯S¯E¯T¯ 2

RESET 3

VSS 4

CAT1023

8 VCC

7 WDI

6 SCL

5 SDA

Doc. No. MD-3009 Rev. P

2

THRESHOLD VOLTAGE OPTION

Part Dash

Number

-45

-42

-30

-28

-25

Minimum

Threshold

4.50

4.25

3.00

2.85

2.55

Maximum

Threshold

4.75

4.50

3.15

3.00

2.70

(Bottom View)

TDFN Package: 3 mm x 3 mm

0.8mm maximum height - (ZD4)

VCC 8

RESET 7

SCL 6

SDA 5

CAT1021

1 ¯M¯R¯

2 R¯¯E¯S¯E¯T¯

3 WP

4 VSS

VCC 8

NC 7

SCL 6

SDA 5

CAT1022

1 ¯M¯R¯

2 R¯¯E¯S¯E¯T¯

3 NC

4 VSS

VCC 8

WDI 7

SCL 6

SDA 5

CAT1023

1 ¯M¯R¯

2 R¯¯E¯S¯E¯T¯

3 RESET

4 VSS

© 2009 SCILLC. All rights reserved.

Characteristics subject to change without notice

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