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| XC2141 Series ICs for use with Crystal Oscillators ETR1401_001 GENERAL DESCRIPTION The XC2141 series are a group of high frequency, CMOS low power crystal oscillators with on-chip divider circuitry that operate from a supply voltage of 3.5V. APPLICATIONS Crystal oscillator modules Communication equipment Microcomputers Clock units in motor control System clocks on boards Timers Palmtops FEATURES Oscillation Frequency Divider Ratio Output : 20MHz ~ 58MHz : f0/1 : 3-State Operating Voltage Range : 3.5V 10% Small Quiescent Current : 10mA (FOSC=53MHz) Stand-By Function CMOS Ultra Small Package : Low Power Consumption : SOT-26 (150mW) PIN CONFIGURATION PIN ASSIGNMENT PIN NUMBER 1 2 3 4 5 PIN NAME /INH XT VSS Q0 VDD /XT FUNCTION Control * Oscillator Connection (Input) GND Output Power Supply Oscillator Connection (Output) SOT-26 (TOP VIEW) 6 * Control pin has pull-up resistor built-in. INH, Q0 PIN FUNCTION /INH "H" open "L" "H" = High level "L" = Low level Q0 Output Output High Impedance (oscillation stopped) 1/6 XC2141 Series PRODUCT CLASSIFICATION Ordering Information XC21 DESIGNATOR DESCRIPTION Supply Voltage Product Series Duty Level Fixed Number Divider Ratio Fundamental / Overtone Rf, Cg, Dc Package Device Orientation SYMBOL 4 1 C 2 1 A M R L DESCRIPTION : 3.5V : Large output capability, fundamental & overtone : CMOS (VDD/2) : Fixed : f0/1 : No Rf, Cg, Cd = 2pF : SOT-26 : Embossed tape, standard feed : Embossed tape, reverse feed STANDARD PARTS PART NUMBER XC2141C21A DUTY LEVEL CMOS (VDD/2) DIVIDER f0/1 Rf External Cg & Cd External Cg & Cd: Add a 2pF capacitor between VDD & XT and/or VDD & XT/. As the parasitic capacitance, Cg and Cd's capacitance is equivalent of 2pF. 2/6 XC2141 Series BLOCK DIAGRAM ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Input Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL VDD VIN Pd Topr Tstg CONDITIONS VSS - 0.3 ~ VSS + 7.0 VSS - 0.3 ~ VDD + 0.3 150 -30 ~ +75 -55 ~ +125 UNITS V V mW ELECTRICAL CHARACTERISTICS XC2141C21AMR (Overtone) f0/1 VDD=3.5V, FOSC=53MHz, Rf=7.5k, No Load, Ta = 25 PARAMETER Operating Supply Voltage Oscillation Start-Up Time Input Voltage 'High' Input Voltage 'Low' Output Current 'High' Output Current 'Low' Supply Current 1 Supply Current 2 Input Pull-Up Resistance Output Disable Leak Current SYMBOL VDD TST VIH VIL IOH IOL IDD1 IDD2 RUP IOZ CONDITIONS MIN. 3.15 2.4 50 TYP. 3.50 5.00 -8 12 MAX. 3.85 0.4 10 520 200 10 UNITS V ms V V mA mA mA A k A VOH = 3.15V VOL = 0.35V / INH = OPEN, Q0 = OPEN / INH = "L" / INH = 3.15V / INH = "L" 3/6 XC2141 Series SWITCHING CHARACTERISTICS CMOS Duty, VDD=3.5V, Load = 15pF, Ta = 25 PARAMETER Output Rise Time Output Fall Time Duty Cycle 1 SYMBOL TTLH TTHL DUTY 1 CONDITIONS 0.1VDD 0.9VDD at VDD/2, 0.9VDD 0.1VDD f0/1 Output MIN. 40 TYP. - MAX. 9 8 60 UNITS ns ns % 4/6 XC2141 Series PACKAGING INFORMATION SOT-26 MARKING RULE Represents divider ratio MARK E RATIO f0/1 Represents duty level MARK 2 DUTY LEVEL CMOS (VDD/2) Represents 'A' which equals 'No Rf, Cg, Cd = 2pF' Represents assembly lot number (based on internal standards) 5/6 XC2141 Series 1. The products and product specifications contained herein are subject to change without notice to improve performance characteristics. Consult us, or our representatives before use, to confirm that the information in this catalog is up to date. 2. We assume no responsibility for any infringement of patents, patent rights, or other rights arising from the use of any information and circuitry in this catalog. 3. Please ensure suitable shipping controls (including fail-safe designs and aging protection) are in force for equipment employing products listed in this catalog. 4. The products in this catalog are not developed, designed, or approved for use with such equipment whose failure of malfunction can be reasonably expected to directly endanger the life of, or cause significant injury to, the user. (e.g. Atomic energy; aerospace; transport; combustion and associated safety equipment thereof.) 5. Please use the products listed in this catalog within the specified ranges. Should you wish to use the products under conditions exceeding the specifications, please consult us or our representatives. 6. We assume no responsibility for damage or loss due to abnormal use. 7. All rights reserved. No part of this catalog may be copied or reproduced without the prior permission of Torex Semiconductor Ltd. 6/6 |
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