Electronic Components Datasheet Search |
|
MAX6392KA17-T Datasheet(PDF) 1 Page - Maxim Integrated Products |
|
MAX6392KA17-T Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 9 page General Description The MAX6391/MAX6392 microprocessor (µP) supervisory circuits provide sequenced logic reset outputs for multi- component or dual-voltage systems. Each device can monitor two supply voltages and time-sequence two reset outputs to control the order in which system components are turned on and off. The MAX6391/MAX6392 increase system reliability and reduce circuit complexity and cost compared to separate ICs or discrete components. The MAX6391/MAX6392 monitor VCC as the master reset supply. Both RESET1 and RESET2 are asserted whenever VCC drops below the selected factory-fixed reset threshold voltage. RESET1 remains asserted as long as VCC is below the threshold and deasserts 140ms (min) after VCC exceeds the thresholds. RESET IN2 is monitored as the secondary reset supply and is adjustable with an external resistive-divider net- work. RESET2 is asserted whenever either VCC or RESET IN2 is below the selected thresholds. RESET2 remains asserted 140ms (min) or a capacitor- adjustable time period after VCC and RESET IN2 exceed their thresholds. RESET2 is always deasserted after RESET1 during system power-up and is always asserted before RESET1 during power-down. The MAX6391 includes two internal pullup resistors for RESET1 and RESET2 (the open-drain outputs can be externally connected to the desired pullup voltages). The MAX6392 includes an active-low manual reset input (MR) that asserts both RESET1 (push-pull) and RESET2 (open drain). The MAX6391/MAX6392 are available in small 8-pin SOT23 packages and are specified over the -40°C to +85°C extended temperature range. Applications Computers Controllers Critical µP Power Monitoring Set-Top Boxes Printers Servers/Workstations Industrial Equipment Multivoltage Monitoring Features o Preset VCC Reset Threshold Voltages from 1.58V to 4.63V (master supply) o Customer-Adjustable RESET IN2 to Monitor Voltages Down to 625mV (secondary supply) o Fixed (140ms min) R RE ES SE ET T1 1 Timeout o Fixed (140ms min) or Customer-Adjustable R RE ES SE ET T2 2 Timeout Period o Guaranteed Reset Valid to VCC = 1V o Active-Low Open-Drain Outputs or Push- Pull/Open-Drain Combination o Internal Open-Drain Pullup Resistors (for external VOH voltage connections) o Manual Reset Input (MAX6392 only) o Immune to Short Negative VCC Transients o 15µA Typical Supply Current o Few External Components o Small 8-Pin SOT23 Package Dual-Voltage µP Supervisory Circuits with Sequenced Reset Outputs ________________________________________________________________ Maxim Integrated Products 1 R2 RESET2 GND 1 2 8 7 R1 RESET1 VCC CSRT RESET IN2 SOT23-8 TOP VIEW 3 4 6 5 MAX6391 Pin Configurations Ordering Information 19-2210; Rev 1; 10/02 *Insert the desired suffix (see Selector Guide) into the blanks to complete the part number. The MAX6391/MAX6392 require a 2.5k minimum order increment and are available in tape-and- reel only. Samples are typically available for standard versions (see Selector Guide for standard versions). Contact factory for availability. PART* TEMP RANGE PIN-PACKAGE MAX6391KA_ _-T -40 °C to +85°C SOT23-8 MAX6392KA_ _-T -40 °C to +85°C SOT23-8 Pin Configurations continued at end of data sheet. 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. Typical Operating Circuit appears at end of data sheet. |
Similar Part No. - MAX6392KA17-T |
|
Similar Description - MAX6392KA17-T |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.COM |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |