CAT1027WI-45-GT3 ON Semiconductor, CAT1027WI-45-GT3 Datasheet - Page 8

• Manufacturer Part Number: CAT1027WI-45-GT3
• Description: IC SUPERVISR CPU 2K EEPROM 8SOIC
• Manufacturer: ON Semiconductor
• Type: Multi-Voltage Supervisorr

Specifications of CAT1027WI-45-GT3

• Number Of Voltages Monitored: 2
• Output: Open Drain or Open Collector
• Reset: Active Low
• Reset Timeout: 130 ms Minimum
• Voltage - Threshold: 4.5V, Adj
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

CAT1026, CAT1027
Figure 1. RESET Output Timing
RESE T
RESE T
Figure 2: Auxiliary Voltage Monitor Timing
Figure 3: Auxiliary Voltage Monitor
Doc. No. MD-3010 Rev. P
V
CC
V
RVALID
V
TH
V SENSE
V LOW
V REF
Externally adjustable
V TH-ADJ
threshold
t
PURST
t RPD2
R 1
R 2
V TH-ADJ = V REF ×
V AUX
V SENSE
CAT1026/27
t RPD2
t
GLITCH
R 1 + R 2
8
t
RPD
R 2
V LOW
= 1.25V ×
V CC
R 1 + R 2
R 2
t RPD2
t
PURST
Power Fail
Interrupt
Characteristics subject to change without notice
t RPD2
© 2009 SCILLC. All rights reserved.
t
RPD