CAT813TZI-GT3 Catalyst / ON Semiconductor, CAT813TZI-GT3 Datasheet

Supervisory Circuits 4.65V Active-High

CAT813TZI-GT3

Manufacturer Part Number
CAT813TZI-GT3
Description
Supervisory Circuits 4.65V Active-High
Manufacturer
Catalyst / ON Semiconductor
Datasheet

Specifications of CAT813TZI-GT3

Number Of Voltages Monitored
1
Monitored Voltage
3 V, 3.6 V, 5 V
Manual Reset
Resettable
Watchdog
Watchdog
Supply Voltage (max)
5.5 V
Supply Voltage (min)
1.2 V
Supply Current (typ)
17 uA
Maximum Power Dissipation
330 mW
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
MSOP-8
Minimum Operating Temperature
- 40 C
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
µP Supervisory Circuits
FEATURES
 Reset guaranteed valid for 1.0 V V
 6µA supply current
 200ms Reset pulse width
 Watchdog timer function 1.6s timeout
 Accurate brownout detection reset in 3.0, 3.6,
 Secondary low supply monitoring on PFI input
 Pin and function compatible with the
 Operating Range from -40°C to +85°C
 RoHS Compliant SOIC 8-lead and MSOP 8-lead
APPLICATIONS
 Microprocessor and microcontroller based
 Instrument and control systems
 Portable equipment
PIN CONFIGURATION
© 2010 SCILLC. All rights reserved.
Characteristics subject to change without notice
and 5.0 volt systems
MAX705/MAX706/MAX813L products
packages
systems
(RESET for CAT813)
RESET
WDO
GND
V
V
MR
PFI
MR
CC
CC
1
2
3
4
MSOP 8-Lead
1
2
3
4
SOIC 8-Lead
8
7
6
5
8
7
6
5
WDO
RESET
(RESET for CAT813)
WDI
PFO
WDI
PFO
PFI
GND
CC
1
DESCRIPTION
The CAT705, CAT706, and CAT813 provide reset and
monitoring functions for the electronic systems. Each
device monitors the system voltage and maintains a
reset output until that voltage reaches the device’s
specified trip value and then maintains the reset
output active condition until the device’s internal timer
allows the system power supply to stabilize.
The devices have a watchdog input which can be
used to monitor a system signal and causes WDO
go low if the signal fails to change state prior to a
timeout condition.
The supervisory circuits provide a MR
initiates a reset if pulled low. The CAT705 and
CAT706 provide an active low RESET
CAT813 provides an active high RESET output.
There is a secondary supply monitor (PFI) included for
power-fail warning.
PIN FUNCTIONS
For Ordering Information details, see page 13.
Pin Name
RESET
RESET
¯¯¯¯¯¯
¯¯¯¯¯
WDO
GND
¯¯¯¯
PFO
WDI
¯¯¯
V
MR
PFI
CC
CAT705, CAT706, CAT813
Function
Manual Reset Input
Power Supply
Ground
Power Fail voltage monitor Input.
Power Fail Output
Watchdog Timer Input
CMOS Push-Pull Active Low Reset
Output (CAT705 & CAT706)
CMOS Push-Pull Active High Reset
Output (CAT813)
Watchdog Timer Output
¯¯¯¯¯¯ output. The
¯¯¯ input which
Doc. No. MD-3030, Rev. E
¯¯¯¯ to

Related parts for CAT813TZI-GT3

CAT813TZI-GT3 Summary of contents

Page 1

... The devices have a watchdog input which can be used to monitor a system signal and causes WDO go low if the signal fails to change state prior to a timeout condition. The supervisory circuits provide a MR initiates a reset if pulled low. The CAT705 and CAT706 provide an active low RESET CAT813 provides an active high RESET output. ...

Page 2

CAT705, CAT706, CAT813 BLOCK DIAGRAM RST 52kΩ WATCHDOG WDI TRANSITION DETECTION PFI 1.25V Device ¯¯¯¯¯¯ RESET RESET @ 4.65 V CAT705 x CAT706 @ 4.65 V CAT813 Doc. No. MD-3030, Rev 70µA RESET ...

Page 3

ABSOLUTE MAXIMUM RATINGS Parameters Supply Voltage All other pins ¯¯¯¯¯¯ ,WDO ¯¯¯¯ Output Current RESET, RESET Continuous Power Dissipations (T SOIC 8-lead (derate 5.9mW/ºC above +70ºC) MSOP 8-lead (derate 4.1mW/ºC above +70ºC) Storage Temperature Lead Soldering (10 seconds max) ESD ...

Page 4

CAT705, CAT706, CAT813 ELECTRICAL OPERATING CHARACTERISTICS Typical values 25ºC and 3.3V for the CAT706 T/S versions Symbol Parameter Conditions CAT705 CAT706 I Supply Current CAT813 CC CAT706 (R/S/T Versions) CAT705 ...

Page 5

ELECTRICAL OPERATING CHARACTERISTICS (continued) Typical values 25°C and 3.3V for the CAT706 T/S versions Symbol Parameter WATCHDOG INPUT t Watchdog Timeout Period WD t WDI Pulse Width ...

Page 6

CAT705, CAT706, CAT813 TYPICAL ELECTRICAL OPERATING CHARACTERISTICS TABLES V Supply Current vs. Temperature -40 - TEMPERATURE (ºC) Doc. No. MD-3030 Rev. E 1.06 1.04 1.02 1.00 ...

Page 7

FUNCTIONAL DESCRIPTION PROCESSOR RESET The CAT705, CAT706 & CAT813 detect supply voltage (V ) conditions that are below the specified CC voltage trip value (V ) and provide a reset output to RST maintain correct system operation. On power-up, ¯¯¯¯¯¯ ...

Page 8

CAT705, CAT706, CAT813 WATCHDOG TIMER The CAT705, CAT706, & CAT813 Watchdog input (WDI). The watchdog timer function ¯¯¯¯ ) signal and forces controls the watchdog output (WDO ¯¯¯¯ low (active) when the WDI input does the WDO not ...

Page 9

CAT705 CAT706 GND CAT813 PFI RESET (CAT705 & CAT706) RESET (CAT813 © 2010 SCILLC. All rights reserved. Characteristics subject to change without notice V Tristate CC WDO RESET/RESET 150kΩ WDI PFO 110kΩ ...

Page 10

CAT705, CAT706, CAT813 APPLICATION NOTES µP’s with Bidirectional Reset Pins ¯¯¯¯¯¯ output can be pulled low by processors The RESET like the 68HC11 allowing for a system reset issued by the processor. The maximum pullup current that can be sourced ...

Page 11

PACKAGE OUTLINE DRAWINGS (1) (2) MSOP 8-Lead 3.0 x 3.0mm ( TOP VIEW SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MO-187 © 2010 SCILLC. ...

Page 12

CAT705, CAT706, CAT813 (1) (2) SOIC 8-Lead 150 mils (V) PIN # 1 IDENTIFICATION TOP VIEW D e SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MS-012. Doc. No. MD-3030 Rev. E ...

Page 13

EXAMPLE OF ORDERING INFORMATION Prefix Device # Suffix CAT 706 Product Optional Number Company ID 705 706 813 TOP MARKING INFORMATION (FOR ALL THRESHOLDS) NiPdAu Finish (-G) Device # Package Top Marking CAT705 MSOP CAT706 MSOP CAT813 MSOP ORDERING PART ...

Page 14

CAT705, CAT706, CAT813 REVISION HISTORY Date Rev. Description 21-Jan-08 A Initial Issue 3-Nov-08 B Change logo and fine print to ON Semiconductor Update Features Update Applications Update Description Update Block Diagram 27-Oct-09 C Update Recommended Operating Conditions Update Electrical Operating ...

Related keywords