CAT1027ZI-28 View Datasheet(PDF) - Catalyst Semiconductor => Onsemi

Part Name

Description

MFG CO.

CAT1027ZI-28

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

Catalyst Semiconductor => Onsemi 

CAT1026, CAT1027

Figure 1. RESET Output Timing

VTH

VRVALID

VCC

t PURS T

RESE T

tGLITCH

t RPD

t PURS T

t RPD

RESE T

Figure 2: Auxiliary Voltage Monitor Timing

VREF

VSENSE

tRPD2

VLOW

tRPD2

tRPD2

tRPD2

Figure 3: Auxiliary Voltage Monitor

VAUX

Externally adjustable

threshold

VTH-ADJ

R1

R2

VCC

CAT1026/27

VLOW

VSENSE

Power Fail

Interrupt

Doc. No. 3010 Rev. L

VTH-ADJ

=

VREF

×

R1 + R2

R2

=

1.25V × R1 + R2

R2

8

© 2007 Catalyst Semiconductor, Inc.

Characteristics subject to change without notice

Share Link: