CAT1022(2004) 데이터 시트보기 (PDF) - Catalyst Semiconductor => Onsemi

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CAT1022
(Rev.:2004)

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

Catalyst Semiconductor => Onsemi 

CAT1021, CAT1022, CAT1023

BLOCK DIAGRAM

EXTERNAL LOAD

VCC

VSS

DOUT

ACK

WORD ADDRESS

BUFFERS

SENSE AMPS

SHIFT REGISTERS

COLUMN

DECODERS

SDA

START/STOP

LOGIC

WP

(CAT1021)

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

RESET

(CAT1021/23)

RESET

WDI

(CAT1023)

PIN CONFIGURATION

DIP Package (P, L)

SOIC Package (J, W)

TSSOP Package (U, Y)

MSOP Package (R, Z)

(Bottom View)

TDFN Package: 3mm x 3mm

0.8mm maximum height - (RD4, ZD4)

MR 1

RESET 2

WP 3

VSS 4

CAT1021

8 VCC

7 RESET

6 SCL

5 SDA

VCC 8

RESET 7

SCL 6

SDA 5

CAT1021

1 MR

2 RESET

3 WP

4 VSS

MR 1

RESET 2

NC 3

VSS 4

CAT1022

8 VCC

7 NC

6 SCL

5 SDA

MR 1

RESET 2

RESET 3

VSS 4

CAT1023

8 VCC

7 WDI

6 SCL

5 SDA

VCC 8

NC 7

SCL 6

SDA 5

CAT1022

1 MR

2 RESET

3 NC

4 VSS

VCC 8

WDI 7

SCL 6

SDA 5

CAT1023

1 MR

2 RESET

3 RESET

4 VSS

Doc. No. 3009, Rev. K

2

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