MAX808LCSA Maxim Integrated Products, MAX808LCSA Datasheet
MAX808LCSA
Available stocks
Related parts for MAX808LCSA
MAX808LCSA Summary of contents
Page 1
... RESET MAX808 OUT GND ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. 8-Pin µP Supervisory Circuits with ±1.5% Reset Accuracy ____________________________Features ♦ Precision Voltage Monitoring, ±1.5% Reset Accuracy ♦ ...
Page 2
Supervisory Circuits with ±1.5% Reset Accuracy ABSOLUTE MAXIMUM RATINGS Input Voltage (with respect to GND) V .......................................................................-0. ....................................................................-0.3V to +6V BATT All Other Pins........................................-0. Input Current V Peak ..........................................................................1. Continuous ...
Page 3
ELECTRICAL CHARACTERISTICS (continued 4.6V to 5.5V for the MAX80_L Typical values are MIN MAX PARAMETER SYMBOL RESET AND LOW-LINE Reset Threshold V RST Reset-Threshold Hysteresis LOWLINE to ...
Page 4
Supervisory Circuits with ±1.5% Reset Accuracy ELECTRICAL CHARACTERISTICS (continued 4.6V to 5.5V for the MAX80_L Typical values are MIN MAX PARAMETER SYMBOL CHIP-ENABLE GATING (MAX808) ...
Page 5
Operating Characteristics (continued 5V 2.8V, no load +25°C, unless otherwise noted.) CC BATT A MAX808 CHIP-ENABLE PROPAGATION DELAY vs. CE OUT LOAD CAPACITANCE 8 50Ω DRIVER ...
Page 6
Supervisory Circuits with ±1.5% Reset Accuracy ____________________________Typical Operating Characteristics (continued 5V 2.8V, no load +25°C, unless otherwise noted.) CC BATT A BATTERY CURRENT vs. INPUT SUPPLY VOLTAGE ...
Page 7
Description (continued) PIN NAME MAX801 MAX808 5 — RESET CE OUT — — WDI CE IN — BATT 8 8 OUT V CC BATT BATTERY-BACKUP COMPARATOR RESET COMPARATOR LOW-LINE COMPARATOR 2.275V GND CE IN ...
Page 8
Supervisory Circuits with ±1.5% Reset Accuracy V V RST LOWLINE RESET V RESET t RP (MAX801 OUT (MAX808) V BATT SHOWN FOR 5V ...
Page 9
REGULATOR LOWLINE HOLD MAX801 MAX808 GND C > HOLD LOAD SHDN V LR Figure 3. Using LOWLINE to Provide a Power-Fail Warning to the µP calculate the amount of capacitance required ...
Page 10
Supervisory Circuits with ±1.5% Reset Accuracy MAX801 Watchdog Timer The watchdog monitors the µP’s activity. If the µP does not toggle the watchdog input (WDI) within 1.6sec, reset asserts for the reset timeout period. The internal 1.6sec timer ...
Page 11
V (max) RST V CC MAX808 OUT 50Ω DRIVER GND Figure 7. MAX808 CE Gate Test Circuit In enabled mode, CE OUT’s impedance is equivalent to 75Ω in series with the source driving CE IN. In disabled ...
Page 12
... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 12 __________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 © 2005 Maxim Integrated Products Fall Time CC Figure 9 ...