CAT823TTDI-GT3 ON Semiconductor, CAT823TTDI-GT3 Datasheet

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System Supervisory Voltage Reset with Watchdog and Manual Reset FEATURES n Automatically restarts microprocessor after Power failure n Monitors pushbutton for external override n Accurate under voltage system monitoring n Brownout detection system reset for use with 3.0, 3.3, and ...

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CAT823, CAT824, CAT825 BLOCK DIAGRAM LEVEL SENSE & WDI* TIMER TOLERANCE CC BIAS V CC VOLTAGE REFERENCE 52kΩ MR* * Functions Available by Device Device ¯¯¯¯¯¯ RESET ¯¯¯ RESET MR CAT823 x x CAT824 x x CAT825 ...

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ABSOLUTE MAXIMUM RATINGS Parameters Supply Voltage All other pins Input Current ¯¯¯¯¯¯ Output Current RESET, RESET Continuous Power Dissipations (T SC-70 5-lead (derate 3.1mW/ºC above +70ºC) TSOT-23 5-lead (derate 7.1mW/ºC above +70ºC) Storage Temperature Operating Ambient Temperature Lead ...

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CAT823, CAT824, CAT825 ELECTRICAL OPERATING CHARACTERISTICS DC Characteristics 3.0V to 5.5V for L/M versions -40ºC ≤ T ≤ +85ºC unless otherwise noted. Typical Values 3.3V for the T/S versions ...

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ELECTRICAL OPERATING CHARACTERISTICS (continued) DC Characteristics 3.0V to 5.5V for L/M versions -40ºC ≤ T ≤ +85ºC unless otherwise noted. Typical Values 3.3V for the T/S versions Symbol ...

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CAT823, CAT824, CAT825 TYPICAL ELECTRICAL OPERATING CHARACTERISTICS V Supply Current vs. Temperature -40 - TEMPERATURE (ºC) Doc. No. MD-3027 Rev. D 1.06 1.04 1.02 1.00 0.98 ...

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FUNCTIONAL DESCRIPTION PROCESSOR RESET The CAT823-825 detect supply conditions that are below the specified voltage trip value (V ) and provide a reset output to maintain RST correct system operation. On power-up, RESET RESET if available) are kept active for ...

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CAT823, CAT824, CAT825 WATCHDOG TIMER The CAT823 and CAT824 provide a Watchdog input (WDI). The watchdog timer function forces RESET (and RESET in the CAT824) signals active when the WDI input does not have a transition from low-to-high or high-to-low ...

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Figure 5. Timing Diagram – Strobe Input INVALID STROBE WDI RESET Figure 6. Timing Diagram – Power Down RESET RESET (CAT824 & CAT825) Figure 7. Timing Diagram – Power © 2010 SCILLC. All rights ...

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CAT823, CAT824, CAT825 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 ...

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PACKAGE OUTLINE DRAWINGS (1)(2) TSOT-23 5-Lead (TD TOP VIEW b SIDE VIEW Notes: (1) All dimensions in millimeters. Angles in degrees. (2) Complies with JEDEC standard MO-193. © 2010 SCILLC. All rights reserved. Characteristics subject to change without ...

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CAT823, CAT824, CAT825 (1)(2) SC-70 5-Lead (SD TOP VIEW θ1 b θ1 SIDE VIEW Notes: (1) All dimensions in millimeters. Angles in degrees. (2) Complies with JEDEC MO-203. Doc. No. MD-3027 Rev. D SYMBOL ...

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EXAMPLE OF ORDERING INFORMATION Prefix Device # CAT 823 Product Optional Number Company ID 823 824 825 TOP MARKING INFORMATION (FOR ALL THRESHOLDS) Device # Package CAT823 TSOT-23 CAT824 TSOT-23 CAT825 TSOT-23 CAT823 SC-70 CAT824 SC-70 CAT825 SC-70 Notes: (1) ...

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... CAT823, CAT824, CAT825 ORDERING INFORMATION Reset Device Threshold CAT823LTDI-GT3 4.63V CAT823MTDI-GT3 4.38V CAT823TTDI-GT3 3.08V CAT823STDI-GT3 2.93V CAT823RTDI-GT3 2.63V CAT823ZTDI-GT3 2.32V CAT823YTDI-GT3 2.19V CAT823LSDI-GT3 4.63V CAT823MSDI-GT3 4.38V CAT823TSDI-GT3 3.08V CAT823SSDI-GT3 2.93V CAT823RSDI-GT3 2.63V CAT823ZSDI-GT3 2.32V CAT823YSDI-GT3 2.19V CAT824LTDI-GT3 4.63V CAT824MTDI-GT3 4.38V CAT824TTDI-GT3 3 ...

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... Update Package Outline Drawings 23-May-08 B Update Top Mark Information 5-Nov-08 C Change logo and fine print to ON Semiconductor 01-July-10 D Update Ordering Information Table ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein ...