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| CMOS Low Supply Current Oscillator Frequency : 20MHz to 58MHz 3 State Output : fo/1, fo/2, fo/4, fo/8 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 Features 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. Output frequency can be selected from four frequencies : Fundamental f0/1, Divided f0/2, f0/4, f0/8. Oscillator Frequency : 20MHz to 58MHz Divider Ratio : Selectable from f0/1, f0/2, f0/4, f0/8 Output : 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 INH/ 1 6 XT/ XT 2 5 VDD VSS 3 4 Q0 PIN NUMBER 1 2 3 4 5 6 PIN NAME INH/ XT VSS Q0 VDD XT/ FUNCTION Control * Oscillator Connection (Input) GND Output Power Supply Oscillator Connection (Output) SOT-26 (TOP VIEW) * Control pin has pull-up resistor built-in. !0 INH, Q0 Pin Function INH/ H open L H = High Level L = Low Level Q0 Output Output High Impedance (oscillator stopped) Absolute Maximum Ratings PARAMETER SYMBOL Supply Voltage VDD Input Voltage VIN Power Dissipation Pd Operating Ambient Temp. Topr Storage Temp. Tstg CONDITIONS VSS - 0.3 to VSS + 7.0 VSS - 0.3 to VDD + 0.3 150 -30 to +75 -55 to +125 UNITS V V mW O C O C Block Diagram Q0 V DD Rup XT XT INH 1/2 1/2 1/2 Vss Electrical Characteristics XC2141C21AMR (overtone) f0/1 V DD =3.5V, Fosc=53MHz, Rf=7.5k , No Load, Ta = 25 OC 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 Leakage Current SYMBOL V DD TST V IH V IL IOH IOL IDD1 IDD2 RUP IOZ CONDITIONS MIN 3.15 2.4 0.4 VOH = 3.15V VOL = 0.35V / INH = OPEN, Q0 = OPEN / INH = "L" / INH = 3.15V / INH = "L" -8 12 10 520 200 10 TYP 3.50 5.00 MAX 3.85 UNITS V msec V V mA mA mA A k A 50 !0 XC2141C22AMR (overtone) f0/2 V DD =3.5V, Fosc=53MHz, Rf=7.5k , No Load, Ta = 25 OC 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 Leakage Current SYMBOL V DD TST V IH V IL IOH IOL IDD1 IDD2 RUP IOZ CONDITIONS MIN 3.15 2.4 0.4 V OH = 3.15V V OL = 0.35V / INH = OPEN, Q0 = OPEN / INH = "L", Rf=7.5k / INH = 3.15V / INH = "L" -8 12 9.5 520 200 10 TYP 3.50 5.00 MAX 3.85 UNITS V msec V V mA mA mA A k A 50 XC2141C24AMR (overtone) f0/4 V DD =3.5V, Fosc=53MHz, Rf=7.5k, No Load, Ta = 25 OC 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 Leakage Current SYMBOL V DD TST V IH V IL IOH IOL IDD1 IDD2 RUP IOZ CONDITIONS MIN 3.15 2.4 0.4 V OH = 3.15V V OL = 0.35V / INH = OPEN, Q 0 = OPEN / INH = "L", Rf=7.5k / INH = 3.15V / INH = "L" -8 12 9 520 200 10 TYP 3.50 5.00 MAX 3.85 UNITS V msec V V mA mA mA A k A 50 XC2141C28AMR (overtone) f0/8 V DD =3.5V, Fosc=53MHz, Rf=7.5k , No Load, Ta = 25 OC 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 Leakage Current SYMBOL V DD TST V IH V IL IOH IOL IDD1 IDD2 RUP IOZ CONDITIONS MIN 3.15 2.4 0.4 V OH = 3.15V V OL = 0.35V / INH = OPEN, Q 0 = OPEN / INH = "L", Rf=7.5k / INH = 3.15V / INH = "L" -8 12 8.5 520 200 10 TYP 3.50 5.00 MAX 3.85 UNITS V msec V V mA mA mA A k A 50 !0 Switching Characteristics CMOS Duty, VDD =3.5V, Load = 15pF, Ta = 25 OC PARAMETER Output Rise Time Output Fall Time Duty Cycle 1 Duty Cycle 2 SYMBOL TTLH TTHL DUTY 1 DUTY 2 CONDITIONS 0.1V DD 0.9V DD 0.9V DD 0.1V DD at VDD /2, f0/1 Output at VDD /2, Divider Output MIN TYP MAX 9 8 60 55 UNITS nsec nsec % % 40 45 Switching Waveforms Switching Time CMOS Output Q0 Output 0.9VDD DUTY measure level 0.9VDD 0.5VDD TW 0.1VDD 0.1VDD TTLH TTHL Duty Cycle DUTY measure level 0.5 V DD !0 TW T DUTY=(TW/T) x 100% Standard Parts PART No. XC2141C21A XC2141C22A XC2141C24A XC2141C28A DUTY LEVEL CMOS (VDD/2) CMOS (VDD/2) CMOS (VDD/2) CMOS (VDD/2) DIVIDER f0/1 f0/2 f0/4 f0/8 Rf External External External External Cg. Cd External External External External Cg, Cd : Add a 2pF capacitor between VDD & XT and/or VDD & XT/. Ordering Information XC 2 1 4 1 x x x x x x abcdefg h DESIGNATOR DESCRIPTION Supply Voltage : 4 = 3.5V Product Series : 1 = Large output capability, fundamental & overtone Duty Level : A = CMOS (VDD/2) & TTL C = CMOS (VDD/2) T = TTL 2 DESIGNATOR DESCRIPTION Divider Ratio : 1=f0/1, 2=f0/2, 4=f0/4, 8=f0/8 Fundamental / Overtone Rf, Cg, Cd : A = No Rf, Cg,Cd = 2pF Package : M = SOT-26 a b e f g c d h Device Orientation : R = Embossed Tape (orientation of device : right) L= Embossed Tape (orientation of device : left) Marking 6 5 4 Represents the Divider Ratio MARK E F RATIO f0/1 f0/2 MARK H K RATIO f0/4 f0/8 !0 1 2 3 Represents the Duty Level SOT-26 (TOP VIEW) MARK 2 DUTY LEVEL CMOS (VDD /2) Represents 'A' which equals 'No Rf, Cg,Cd = 2pF' Represents the Assembly Lot No. (based on internal standards) |
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