CAT823 CATALYST [Catalyst Semiconductor], CAT823 Datasheet
CAT823
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CAT823 Summary of contents
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... The CAT823 and CAT824 also have a watchdog input which can be used to monitor a system signal and cause a reset to be issued if the signal fails to change state prior to a timeout condition ...
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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 CAT823 x x CAT824 CAT825 Doc. No. MD-3027, Rev. A ...
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... Exposure to any absolute maximum rating for extended periods may affect device performance and reliability. © Catalyst Semiconductor, Inc. Characteristics subject to change without notice (1) = +70º CAT823, CAT824, CAT825 Ratings Units 0.3) V ...
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... The RESET short-circuit current is the maximum pull-up current when reset is driven low by a bidirectional output. Doc. No. MD-3027 Rev 2.0V to 3.6V for the R/S/T/Y/Z version 3.0V for the R version; and V CC Conditions CAT823 (L/M Versions) CAT824 (L/M Versions) CAT823 (R/S/T/Y/Z Versions) CAT824 (R/S/T/Y/Z Versions) CAT825 (L/M Versions) CAT825 (R/S/T/Y/Z Versions) CAT82_L at -40ºC ≤ T ≤ +85ºC A CAT82_M at -40ºC ≤ T ≤ +85ºC A CAT82_T at -40º ...
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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 Parameter WATCHDOG INPUT (CAT823 & CAT824) t Watchdog Timeout Period WD t WDI Pulse Width WDI V IL (3) WDI Input Voltage V IH (4) WDI Input Current MANUAL RESET INPUT(CAT823 & ...
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... CAT823, CAT824, CAT825 TYPICAL ELECTRICAL OPERATING CHARACTERISTICS TABLES V Supply Current vs. Temperature -40 - TEMPERATURE (ºC) Doc. No. MD-3027 Rev. A 1.06 1.04 1.02 1.00 0.98 0.96 0.94 -40 80 100 120 6 Normalized Reset Threshold Voltage vs. Temperature - 100 TEM PERATURE (ºC) TEMPERATURE (°C) © ...
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... Catalyst Semiconductor, Inc. Characteristics subject to change without notice MANUAL RESET voltage (V ) The CAT823 and CAT825 each have a Manual Reset CC ¯¯¯ ) input to allow for alternative control of the reset (MR outputs. The MR ¯¯¯¯¯¯ (and nection to a pushbutton (see Figure 1). The MR is internally pulled up by 52kΩ ...
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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 within 1.12 seconds. Timeout of the ¯ ...
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... Characteristics subject to change without notice VALID STROBE t WD (MAX) RST V RST V (MIN) RST (MAX) RST V RST V (MIN) RST t RP RESET RESET 9 CAT823, CAT824, CAT825 INDETERMINATE STROBE MIN. MAX. RESET Slews with RESET (CAT824 & CAT825) Doc. No. MD-3027, Rev. A ...
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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 by the CAT82_L/M is 1.5mA (and by the CAT82_T/R/S/Z/Y is 800µ ...
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... Catalyst Semiconductor, Inc. Characteristics subject to change without notice SYMBO L MIN A A1 0.01 A2 0.80 b 0. θ θ CAT823, CAT824, CAT825 NOM MAX 1.00 0.05 0.10 0.87 0.90 0.45 0.15 0.20 2.90 BSC 2.80 BSC 1.60 BSC 0.95 TYP 0.40 0.50 0.60 REF 0.25 BSC 0º 8º END VIEW Doc. No. MD-3027, Rev. A ...
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... CAT823, CAT824, CAT825 (1)(2) SC-70 5-Lead (SD TOP VIEW θ1 b θ1 SIDE VIEW For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes: (1) All dimensions in millimeters. Angles in degrees. (2) Complies with JEDEC MO-203. Doc. No. MD-3027 Rev. A SYMBOL ...
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... Notes: (1) All packages are RoHS-compliant (Lead-free, Halogen-free). (2) The standard lead finish is NiPdAu. (3) This device used in the above example is a CAT823LTDI -GT3 (4.63V, TSOT-23 5-Lead, Industrial Temperature, NiPdAu, Tape & Reel) (4) Contact factory for package availability. © Catalyst Semiconductor, Inc. Characteristics subject to change without notice ...
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REVISION HISTORY Date Rev. Reason 09/10/2007 A Initial Release Copyrights, Trademarks and Patents © Catalyst Semiconductor, Inc. Trademarks and registered trademarks of Catalyst Semiconductor include each of the following: Beyond Memory™, DPP™, EZDim™, LDD™, MiniPot™ and Quad-Mode™ Catalyst Semiconductor has ...