Series ICs for use with Crystal Oscillators ◆CMOS : Low Supply Current ■Applications ◆Oscillator Frequency : 4MHz ~ 70MHz ●Crystal Oscillator Modules ◆Built-In Oscillator Capacitors ●Communication Equipment ◆Divider Ratio ●Microcomputers : fo/1, fo/2, fo/4, fo/8 ●Clock Units in Motor Control ◆3-State Output ●System Clocks on Boards ◆Supply Voltage : 5.0V ●Timers ◆Mini Mold SOT-26 Package ●Palmtops ■General Description ■Features The XC2151 series are a group of high frequency, CMOS low power crystal oscillators with oscillator & divider circuitry, oscillator capacitors and amplifier feedback resistors built-in. An oscillator circuit can be created from just an external crystal. Output frequency can be selected from four frequencies : Fundamental f0/1, Divided f0/2, f0/4, f0/8. The output buffer is 3-State and has a fanout of 10 - TTL. High Precision ■Pin Configuration XT 6 VDD 5 QO 4 SOT-26 (TOP VIEW) 1 INH 2 XT 3 VSS : Built-in oscillator capacitors 16pF TYP (or selectable from 10 ~ 20pF) : On-chip amplifier feedback resistor 5MΩ TYP (or selectable from 1.6kΩ ~ 8.4kΩ) Oscillator Frequency : 4MHz ~ 70MHz Divider Ratio : Selectable from f0/1, f0/2, f0/4, f0/8 Output : 3-State, 10 - TTL fanout Operating Voltage Range : 4.0V ~ 6.0V Small Quiescent Current Stand-By Function Low Cost : Oscillator circuit can be created from just an external crystal Ultra Small Package : SOT-26 (150mW) mini mold ■Pin Assignment PIN NUMBER 1 2 3 4 5 6 PIN NAME /INH XT VSS Q0 V DD /XT FUNCTION Control * Oscillator Connection (Input) GND Output Power Supply Oscillator Connection (Output) * Control pin has pull-up resistor built-in. ■INH, Q0 Pin Function 14 XC2151x51 /INH "H" "L" open Q0 Output High Impedance (oscillator stopped) Output XC2151x55 /INH "H" "L" open Q0 Output High Impedance (oscillator stopped) Output "H" = High Level "L" = Low Level 1023 XC2151 Series ■Product Classification ●Ordering Information X C 2 1 5 1X X X X X X ↑↑↑↑↑↑↑↑ ab c d e f g h DESIGNATOR a DESCRIPTION Supply Voltage : 5 = 5.0V DESIGNATOR e Product Series : 1 = Large output capability, fundamental & overtone Duty Level : A = CMOS (V DD/2) & TTL C = CMOS (VDD/2) T = TTL Output Capability : 5 = 10TTL b c d f g h DESCRIPTION Stand-by Mode and Divider Ratio : 1=f0/1 (CE), 2=f0/2 (CE), 4=f0/4 (CE), 8=f0/8 (CE), 5=f0/1 (OE) Fundamental / Overtone Rf, Cg, Cd : (please refer to electrical characteristics tables) Package : M = SOT-26 Device Orientation : R= Embossed Tape (Standerd Feed) L= Embossed Tape (Reverse Feed) ■Marking q Represents the Divider Ratio q w e r SOT-26 (TOP VIEW) MARK A B RATIO f0/1 f0/2 MARK C D w Represents Stand-by Mode, Duty Level & Output Capability MARK 5 6 7 STAND-BY MODE CE CE CE 8 OE DUTY LEVEL CMOS (VDD/2), TTL CMOS (VDD/2) TTL XC2151T=TTL , XC2151C=CMOS e Represents Fundamental / Overtone and Rf, Cg, Cd 14 1024 RATIO f0/4 f0/8 r Represents the Assembly Lot No. (based on internal standards) OUTPUT CAPABILITY 10TTL 10TTL 10TTL 10TTL XC2151 Series ■Block Diagram 1) XC2151A Series VDD QO Cd Cg RUP Rf XT 1/2 1/2 1/2 VSS XT INH 2) XC2151T/C Series VDD QO Cg Cd RUP XT VSS XT INH ■Absolute Maximum Ratings PARAMETER Supply Voltage Input Voltage Power Dissipation Operating Ambient Temp. Storage Temp. 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 O C O C 14 1025 XC2151 Series ■Electrical Characteristics XC2151T51A / 55A (overtone) VDD=5.0V, Fosc=20MHz, No Load, Ta = 25°C PARAMETER SYMBOL Operating Supply Voltage Input Voltage 'High' Input Voltage 'Low' Output Current 'High' Output Current 'Low' Supply Current 1 Supply Current 2 (51A) Supply Current 2 (55A) Input Pull-Up Resistance Internal Oscillator Capacitance Internal Oscillator Feedback Resistance Output Disable Leakage Current V DD V IH V IL I OH I OL I DD1 I DD2 I DD2 RUP Cg,Cd Rf I OZ CONDITIONS MIN TYP 4.0 2.4 MAX UNITS 6.0 25 5 23 200 22 6.1 10 V V V mA mA mA µA mA kΩ pF kΩ µA MAX UNITS 6.0 V V V mA mA mA µA mA kΩ pF kΩ µA 0.4 V OH = 4.6V V OL = 0.4V / INH = OPEN, Q0 = OPEN / INH = "L" / INH = "L" / INH = 4.5V see note below - 10 16 18 2 16 50 18 5.0 20 5.5 MIN TYP / INH = "L" note : the values for Cg,Cd are the designed values. XC2151T51D / 55D (overtone) VDD=5.0V, Fosc=70MHz, No Load, Ta = 25°C PARAMETER SYMBOL Operating Supply Voltage Input Voltage 'High' Input Voltage 'Low' Output Current 'High' Output Current 'Low' Supply Current 1 Supply Current 2 (51D) Supply Current 2 (55D) Input Pull-Up Resistance Internal Oscillator Capacitance Internal Oscillator Feedback Resistance Output Disable Leakage Current V DD V IH V IL I OH I OL I DD1 I DD2 I DD2 RUP Cg,Cd Rf I OZ CONDITIONS 4.0 2.4 0.4 V OH = 4.6V V OL = 0.4V / INH = OPEN, Q 0 = OPEN / INH = "L" / INH = "L" / INH = 4.5V see note below - 10 16 25 2 23 50 9 2.7 10 3.0 Rf (k Ω) Cg/Cd (pF) 5.5 4.0 3.0 3.0 20 20 13 10 / INH = "L" 35 5 32 200 11 3.3 10 note : the values for Cg,Cd are the designed values. XC2151T (overtone) PART No. 14 1026 XC2151T51A XC2151T51B XC2151T51C XC2151T51D DUTY LEVEL TTL TTL TTL TTL OUTPUT 10TTL 10TTL 10TTL 10TTL DIVIDER RATIO f0 / 1 f0 / 1 f0 / 1 f0 / 1 RECOMMENDED FREQUENCY RANGE 20MHz 30MHz 43MHz 55MHz to 33MHz to 45MHz to 57MHz to 70MHz XC2151 Series XC2151C51F / 55F (overtone) VDD=5.0V, Fosc=20MHz, No Load, Ta = 25°C PARAMETER SYMBOL Operating Supply Voltage Input Voltage 'High' Input Voltage 'Low' Output Current 'High' Output Current 'Low' Supply Current 1 Supply Current 2 (51F) Supply Current 2 (55F) Input Pull-Up Resistance Internal Oscillator Capacitance Internal Oscillator Feedback Resistance Output Disable Leakage Current V DD V IH V IL I OH I OL I DD1 I DD2 I DD2 RUP Cg,Cd Rf I OZ CONDITIONS MIN TYP 4.0 2.4 MAX UNITS 6.0 25 5 23 200 22 6.1 10 V V V mA mA mA µA mA kΩ pF kΩ µA MAX UNITS 6.0 V V V mA mA mA µA mA kΩ pF kΩ µA 0.4 V OH = 4.6V V OL = 0.4V / INH = OPEN, Q 0 = OPEN / INH = "L" / INH = "L" / INH = 4.5V see note below - 10 16 18 2 16 50 18 5.0 20 5.5 MIN TYP / INH = "L" note : the values for Cg,Cd are the designed values. XC2151C51L / 55L (overtone) VDD=5.0V, Fosc=70MHz, No Load, Ta = 25°C PARAMETER SYMBOL Operating Supply Voltage Input Voltage 'High' Input Voltage 'Low' Output Current 'High' Output Current 'Low' Supply Current 1 Supply Current 2 (51L) Supply Current 2 (55L) Input Pull-Up Resistance Internal Oscillator Capacitance Internal Oscillator Feedback Resistance Output Disable Leakage Current V DD V IH V IL I OH I OL I DD1 I DD2 I DD2 RUP Cg,Cd Rf I OZ CONDITIONS 4.0 2.4 0.4 V OH = 4.6V V OL = 0.4V / INH = OPEN, Q 0 = OPEN / INH = "L" / INH = "L" / INH = 4.5V see note below - 10 16 25 2 23 50 9 2.7 10 3.0 Rf (k Ω) 5.5 4.0 3.0 3.0 Cg/Cd (pF) 20 20 13 10 / INH = "L" 35 5 32 200 11 3.3 10 note : the values for Cg,Cd are the designed values. XC2151C (overtone) PART No. XC2151C51F XC2151C51H XC2151C51K XC2151C51L DUTY LEVEL CMOS (V DD /2) CMOS (V DD /2) CMOS (V DD /2) CMOS (V DD /2) OUTPUT 10TTL 10TTL 10TTL 10TTL DIVIDER RATIO f0 / 1 f0 / 1 f0 / 1 f0 / 1 RECOMMENDED 20MHz to 33MHz 30MHz to 45MHz 43MHz to 57MHz 55MHz to 70MHz 14 1027 XC2151 Series XC2151A510 / 519 ( fundamental ) VDD=5.0V, Fosc=20MHz, No Load, Ta = 25°C PARAMETER SYMBOL Operating Supply Voltage Input Voltage 'High' Input Voltage 'Low' Output Current 'High' Output Current 'Low' Supply Current 1 Supply Current 2 Input Pull-Up Resistance Internal Oscillator Capacitance Internal Oscillator Feedback Resistance Output Disable Leakage Current V DD V IH V IL I OH I OL I DD1 I DD2 RUP Cg,Cd Rf I OZ CONDITIONS MIN TYP 4.0 2.4 MAX UNITS 6.0 10 V V V mA mA mA µA kΩ pF ΜΩ µA MAX UNITS 6.0 V V V mA mA mA µA kΩ pF ΜΩ µA 0.4 V OH = 4.6V V OL = 0.4V / INH = OPEN, Q 0 = OPEN / INH = "L" / INH = 4.5V see note below - 10 16 2 50 12 5 200 16 5 note : the values for Cg,Cd are the designed values with XC2151A510. The XC2151A519 is an external type. XC2151A580 / 589 ( fundamental, f0 / 8 ) VDD=5.0V, Fosc=20MHz, No Load, Ta = 25°C PARAMETER SYMBOL Operating Supply Voltage Input Voltage 'High' Input Voltage 'Low' Output Current 'High' Output Current 'Low' Supply Current 1 Supply Current 2 Input Pull-Up Resistance Internal Oscillator Capacitance Internal Oscillator Feedback Resistance Output Disable Leakage Current V DD V IH V IL I OH I OL I DD1 I DD2 RUP Cg,Cd Rf I OZ CONDITIONS MIN TYP 4.0 2.4 0.4 V OH = 4.6V V OL = 0.4V / INH = OPEN, Q 0 = OPEN / INH = "L" / INH = 4.5V see note below - 10 16 2 50 12 5 200 16 5 10 note : the values for Cg,Cd are the designed values with XC2151A580. The XC2151A589 is an external type. XC2151A ( fundamental ) PART No. 14 1028 DUTY LEVEL OUTPUT DIVIDER RATIO Rf (M Ω) Cg/Cd (pF) RECOMMENDED FREQUENCY RANGE XC2151A510 XC2151A520 XC2151A540 XC2151A580 CMOS (V DD /2), TTL CMOS (V DD /2), TTL CMOS (V DD /2), TTL CMOS (V DD /2), TTL 10TTL 10TTL 10TTL 10TTL f0 / 1 f0 / 2 f0 / 4 f0 / 8 5.0 5.0 5.0 5.0 16 16 16 16 4MHz 4MHz 4MHz 4MHz to 30MHz to 30MHz to 30MHz to 30MHz XC2151A519 XC2151A529 XC2151A549 XC2151A589 CMOS (V DD /2), TTL CMOS (V DD /2), TTL CMOS (V DD /2), TTL CMOS (V DD /2), TTL 10TTL 10TTL 10TTL 10TTL f0 / 1 f0 / 2 f0 / 4 f0 / 8 5.0 5.0 5.0 5.0 16 (ext.) 16 (ext.) 16 (ext.) 16 (ext.) 4MHz 4MHz 4MHz 4MHz to 30MHz to 30MHz to 30MHz to 30MHz XC2151 Series ■Switching Characteristics XC2151T (overtone, fundamental) TTL Duty, VDD=5.0V, Ta = 25°C PARAMETER SYMBOL CONDITIONS MIN Output Rise Time Output Fall Time Duty Cycle TTLH TTHL DUTY Load=10TTL, 0.4V 2.4V Load=10TTL, 2.4V 0.4V Load=10TTL @ 1.4V 45 TYP MAX UNITS 5 5 55 nsec nsec % Switching Time TTL Output QO Output 2.4V DUTY measure level 1.4V 2.4V TW 0.4V TTLH 0.4V TTHL Duty Cycle DUTY measure level 1.4V TW T DUTY=(TW/T)×100% 14 1029 XC2151 Series XC2151C (overtone, fundamental) TTL Duty, VDD=5.0V, Ta = 25°C PARAMETER SYMBOL CONDITIONS MIN Output Rise Time Output Fall Time Duty Cycle TTLH TTHL DUTY CL=15pF, 0.1V DD 0.9VDD CL=15pF, 0.9V DD 0.1VDD CL =15pF @ V DD / 2 45 Switching Time CMOS Output QO Output 0.9VDD 0.9VDD DUTY measure level 0.5VDD TW 0.1VDD TTLH 0.1VDD TTHL Duty Cycle DUTY measure level 0.5×VDD TW T 14 1030 DUTY=(TW/T)×100% TYP MAX UNITS 5 5 55 nsec nsec %