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| CMOS : Low Power Consumption Oscillation Frequency : 20MHz ~ 58MHz Divider Ratio : fo/1 3-State Output Supply Voltage : 3.5V Mini Mold SOT-26 Package APPLICATIONS Crystal oscillator modules Communication equipment Microcomputers Clock units in motor control System clocks on boards Timers Palmtops 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. 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 Ultra Small Package : SOT-26 (150mW) mini mold 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) XC2141 ETR1401_001.doc 1669 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 A C T 2 1 A M R L DESCRIPTION : 3.5V : Large output capability, fundamental & overtone : CMOS (VDD/2) &TTL : CMOS (VDD/2) : TTL : 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/. 2pF. As the parasitic capacitance, Cg and Cd's capacitance is equivalent of 1670 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) 1671 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 msec 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" 1672 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 0.9VDD 0.1VDD at VDD/2, f0/1 Output MIN. 40 TYP. - MAX. 9 8 60 UNITS nsec nsec % 1673 |
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