Datenblatt-Suchmaschine für elektronische Bauteile |
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MC33064LP Datenblatt(PDF) 1 Page - Microsemi Corporation |
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MC33064LP Datenblatt(HTML) 1 Page - Microsemi Corporation |
1 / 10 page PACKAGE ORDER INFORMA TION T A (°C) Plastic SOIC 8-pin 0 to 70 MC34064DM MC34064LP -40 to 85 MC33064DM MC33064LP -55 to 125 — — DM Plastic TO-92 3-pin LP DESCRIPTION The MC34064 is an undervoltage sensing circuit designed specifically for use as a reset controller in microproces- sor-based systems. It offers the designer an economical, space-efficient solution for low supply voltage detection when used in combination with a single pull- up resistor. Adding one capacitor offers the functionality of a programmable delay time after power returns. The 34064 consists of a temperature stable reference comparator with hysteresis, high-current clamping diode and open KEY FEATURES s Monitors 5V Supplies (V T = 4.6V Typ.) s Outputs Fully Defined At V IN = 1V (See Figure 1) s Glitch-Free Supply Current During Switching (See Product Highlight) ! Ultra-Low Supply Current (500µA Max.) ! Temperature Compensated I CC For Extremely Stable Current Consumption ! µP Reset Function Programmable With 1 External Resistor And Capacitor ! Comparator Hysteresis Prevents Output Oscillation ! Electrically Compatible With Motorola MC34064 ! Pin-to-Pin Compatible With Motorola MC34064/MC34164. collector output stage capable of sinking up to 60mA. The MC34064's RESET output is specified to be fully functional at V IN=1V. A major improve- ment over competing products is the glitch-free supply current during undervoltage detection. Competing products demand a step function increase in operating current during the time that you least want or need it.... during power loss. See Product Highlight below. PRODUCT HIGHLIGHT SUPPLY CURRENT VS. INPUT VOLTAGE APPLICATIONS s s s s s All Microprocessor Or Microcontroller Designs Using 5V Supplies s s s s s Simple 5V Undervoltage Detection -10 -6 0 250 280 Input Voltage less Threshold Voltage - (mV) 400 265 295 310 -8 -4 -2 R L = No Load 24 6 8 10 340 370 355 385 325 ACTIVE REGION MONITOR REGION U NDER VOL T AGE S ENSING C IRCUIT P RODUCTION D AT A S HEET T HE I NFINITE P OWER OF I NNOV A TION MC33064/MC34064 Note: All surface-mount packages are available in Tape & Reel. Append the letter "T" to part number. (i.e. MC34064DMT) NOTE: For current data & package dimensions, visit our web site: http://www.linfinity.com. Copyright © 1999 Rev. 1.3 6/99 1 11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841, 714-898-8121, FAX: 714-893-2570 L IN F INITY M ICROELECTRONICS I NC . |
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