CAT1026YI-30 View Datasheet(PDF) - Catalyst Semiconductor => Onsemi

Part Name

Description

MFG CO.

CAT1026YI-30

Dual Voltage Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM

Catalyst Semiconductor => Onsemi 

CAT1026, CAT1027

BLOCK DIAGRAM

EXTERNAL LOAD

VCC

VSS

DOUT

ACK

WORDADDRESS

BUFFERS

SDA

START/STOP

LOGIC

CONTROL

LOGIC

XDEC

SENSEAMPS

SHIFT REGISTERS

COLUMN

DECODERS

2kbit

EEPROM

RESET THRESHOLD 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

VCC Monitor

VCC

+

-

VREF

RESET

Controller

DATA IN STORAGE

HIGHVOLTAGE/

TIMING CONTROL

STATE COUNTERS

SCL

SLAVE

WDI

ADDRESS

(CAT1027) COMPARATORS

VSENSE

AuxiliaryVoltage Monitor

+

-

VREF

RESET

(CAT1026)

RESET

VLOW

PIN CONFIGURATION

DIP Package (L)

SOIC Package (W)

TSSOP Package (Y)

MSOP Package (Z)

VLOW 1

R¯¯E¯S¯E¯T¯ 2

VSENSE 3

VSS 4

CAT1026

8 VCC

7 RESET

6 SCL

5 SDA

VLOW 1

R¯¯E¯S¯E¯T¯ 2

VSENSE 3

VSS 4

CAT1027

8 VCC

7 WDI

6 SCL

5 SDA

(Bottom View)

TDFN Package: 3mm x 3mm

0.8mm maximum height - (ZD4)

VCC 8

RESET 7

SCL 6

SDA 5

CAT1026

1 VLOW

2 R¯¯E¯S¯E¯T¯

3 VSENSE

4 VSS

VCC 8

WDI 7

SCL 6

SDA 5

CAT1027

1 VLOW

2 R¯¯E¯S¯E¯T¯

3 VSENSE

4 VSS

Doc. No. 3010 Rev. L

2

© 2007 Catalyst Semiconductor, Inc.

Characteristics subject to change without notice

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