R3111x Series Low Input Voltage Detector The R3111x Series are CMOS-based voltage detector ICs that can operate at low voltage. R3111x is a simple voltage detector without an internal delay circuit. FEATURES * Supply Current (ISS1) ***********************Typ. 1A (VDD=-VDET+2V, R3111x15x) * Operating Voltage Range (VDD) ******0.7V to 10.0V (Topt=25C) * Detector Threshold Range (-VDET) *******0.9V to 6.0V (internally fixed) * Reset Signal ***********************************"L" (A and C Versions) * * Temp. coeff. of Detector Threshold*** Typ. 100ppm/C * Two Output Types ************************** Nch. Open Drain and CMOS * Packages *************************************** SON1612-6, SC-82AB, SC-88A, SOT-23-3,SOT-23-5, SOT-89, TO-92 "H" (B Version) Detector Threshold Accuracy ********* 2% BLOCK DIAGRAMS R3111xxxxA R3111xxxxB R3111xxxxC (Nch. open drain "L" output) (Nch. open drain "H" output) (CMOS "L" output) VDD VDD VDD OUT OUT OUT Vref Vref Vref GND SELECTION GUIDES Package Quantity per Reel SON1612-6 4,000 pcs SC-82AB 3,000 pcs SC-88A 3,000 pcs SOT-23-3 3,000 pcs SOT-23-5 3,000 pcs SOT-89 1,000 pcs TO-92 2,500 pcs GND GND TIMING CHART Part No. R3111D.xx.1. -TR-F R3111Q.xx.1. -TR-F R3111Q.xx.2. -TR-F R3111N.xx.2. -TR-F R3111N.xx.1. -TR-F R3111H.xx.1. -T1-F R3111E.xx.1. -TZ-F Released Voltage +VDET Supply Detector Threshold -VDET Voltage (VDD) Minimum Operating VDDL GND Voltage Hysteresis Hysteresis Hysteresis Pull-up Voltage Output Voltage (VOUT) GND tPLH tPLH R3111xxxxA tPLH R3111xxxxB R3111xxxxC .xx. : Specify the detector threshold within the range 0.9V (.09.) to 6.0V (.60.) in 0.1V steps. . : Select the output type from (.A.) Nch. open drain "L" output, (.B.) Nch. open drain "H" output or (.C.) CMOS "L" output. PACKAGES (Top View) SON1612-6 1 2 3 4 5 6 6 5 4 1 2 3 OUT VDD GND NC VDD NC SC-82AB 4 1 1 2 3 4 3 2 OUT VDD NC GND SC-88A 5 1 1 2 3 4 5 SOT-23-3 4 2 3 OUT NC VDD NC GND SOT-23-5 5 3 1 1 2 3 1 2 OUT GND VDD 1 2 3 4 5 SOT-89 TO-92 4 2 3 OUT VDD GND NC NC 1 2 3 1 2 3 OUT VDD GND 1 1 2 3 2 3 VDD GND OUT APPLICATIONS * Microcontroller and logic circuit reset * Battery checker * Window comparator No.EK-071-091101 * Wave shaping circuit * Battery back-up circuit * Power failure detector CMOS Voltage Detector 1. The products and the product specifications described in this document are subject to change or discontinuation of production without notice for reasons such as improvement. Therefore, before deciding to use the products, please refer to Ricoh sales representatives for the latest information thereon. 2. 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