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| CF5011 series 1.8V Crystal Oscillator Module ICs OVERVIEW The CF5011 series are low-voltage crystal oscillator module ICs that operate at 1.8V. The crystal oscillator circuit and output buffer employ a low-voltage CMOS process operating at 1.8V. The crystal oscillator circuit has a built-in thin-film feedback resistor with good temperature characteristics and built-in capacitors with excellent frequency response, making possible a stable 3rd-harmonic oscillator with only the addition of a crystal element. FEATURES I I I I I 3rd-harmonic oscillation 1.6 to 2.0V operating supply voltage range 30 to 70MHz recommended operating frequency range Inverter amplifier feedback resistor built-in Oscillator capacitors CG , CD built-in I I I I I Standby function fO output frequency (oscillator frequency) 8mA output drive capability (VDD = 1.6V) CMOS output duty level Chip form (CF5011xxx) SERIES CONFIGURATION Version CF5011ALA CF5011ALB1 CF5011ALC1 CF5011ALD1 CF5011ANA CF5011ANB CF5011ANC CF5011AND 1. Under development Note: Recommended operating frequency is not the guaranteed value but is measured using NPC's standard crystal. Recommended operating frequency [MHz] 30 to 40 40 to 50 50 to 60 60 to 70 30 to 40 40 to 50 50 to 60 60 to 70 Built-in capacitance [pF] gm ratio CG 1.0 1.0 1.0 1.5 1.0 1.0 1.0 1.5 14 8 8 8 14 8 8 8 CD 16 16 16 16 16 16 16 16 Rf [k] 4.0 3.9 2.2 2.7 4.0 3.9 2.2 2.7 Standby function Yes Yes Yes Yes No No No No ORDERING INFORMATION Device CF5011xxx-1 Package Chip form NIPPON PRECISION CIRCUITS INC.--1 CF5011 series PAD LAYOUT (Unit:m) VDD Q (920,1310) Y (0,0) INHN XTN XT VSS X Chip size: 0.92 x 1.31 mm Chip thickness: 300 30 m Chip base: VDD level PIN DESCRIPTION and PAD DIMENSIONS Pad dimensions [m] Name I/O Description X Operation mode control input. INHN I XT XTN VSS Q VDD I O - O - BLOCK DIAGRAM CF5011ALx VDD VSS XTN CG Rf 1 Cf CD XT Rf 2 Q XT Q INHN Substrate potential: VDD HA5011A 195 212 385 575 766 765 162 212 212 212 1152 1152 CF5011ANx VDD VSS XTN CG Rf 2 Rf 1 Cf CD INHN Substrate potential: VDD NIPPON PRECISION CIRCUITS INC.--2 CF5011 series SPECIFICATIONS Absolute Maximum Ratings VSS = 0V Parameter Supply voltage range Input voltage range Output voltage range Operating temperature range Storage temperature range Output current Symbol VDD VIN VOUT Topr Tstg IOUT Condition Rating -0.5 to +3.6 -0.5 to VDD + 0.5 -0.5 to VDD + 0.5 -40 to +85 -65 to +150 25 Unit V V V C C mA Recommended Operating Conditions VSS = 0V, f 70MHz, CL = 15pF unless otherwise noted. Parameter Supply voltage Input voltage Operating temperature Symbol VDD VIN TOPR Condition Rating min 1.6 VSS -20 typ - - - max 2.0 VDD +80 Unit V V C Electrical Characteristics VDD = 1.6 to 2.0V, VSS = 0V, Ta = -20 to +80C unless otherwise noted. Parameter HIGH-level output voltage LOW-level output voltage Output leakage current HIGH-level input voltage LOW-level input voltage Current consumption Standby current INHN pull-up resistance Symbol VOH VOL IZ VIH VIL IDD IST RUP1 RUP2 Condition Q: Measurement cct 1, VDD = 1.6V, IOH = 8mA Q: Measurement cct 2, VDD = 1.6V, IOL = 8mA Q: Measurement cct 2, INHN = LOW, VDD = 2.0V INHN INHN Measurement cct 3, load cct 1, INHN = open, CL = 15pF, f = 70MHz Measurement cct 3, INHN = LOW Measurement cct 4, INHN = LOW Measurement cct 4, INHN = 0.7VDD CF5011ALx CF5011ALx CF5011ALx CF5011ANx VOH = VDD VOL = VSS Rating min 1.1 - - - 0.7VDD - - - 0.4 50 3.20 3.12 1.76 2.16 50 9.3 13.02 7.44 14.88 14.88 typ 1.3 0.3 - - - - 9 - - - 4.0 3.9 2.2 2.7 - 10 14 8 16 16 max - 0.4 10 10 - 0.3VDD 18 100 8 150 4.80 4.68 2.64 3.24 150 10.7 14.98 8.56 17.12 17.12 Unit V V A A V V mA A M k k k k k k pF pF pF pF pF CF5011ALA, ANA AC feedback resistance Rf1 Design value, determined by the internal wafer pattern CF5011ALB, ANB CF5011ALC, ANC CF5011ALD, AND DC feedback resistance AC feedback capacitance Rf2 Cf CG Built-in capacitance CD Design value, determined by the internal wafer pattern Measurement cct 5 Design value, determined by the internal wafer pattern Design value, determined by the internal wafer pattern CF5011ALA, ANA CF5011ALB, ALC, ALD CF5011ANB, ANC, AND CF5011ALA, ANA CF5011ALB, ALC, ALD CF5011ANB, ANC, AND NIPPON PRECISION CIRCUITS INC.--3 CF5011 series Switching Characteristics VDD = 1.6 to 2.0V, VSS = 0V, Ta = -20 to +80C unless otherwise noted. Rating Parameter Output rise time Output fall time Output duty cycle1 Output disable delay time2 Output enable delay time2 Symbol tr tf Duty tPLZ tPZL Condition min Measurement cct 3, load cct 1, 0.2VDD to 0.8VDD , CL = 15pF Measurement cct 3, load cct 1, 0.8VDD to 0.2VDD , CL = 15pF Measurement cct 3, load cct 1, Ta = 25C, VDD = 1.8V, CL = 15pF, f 70MHz Measurement cct 3, load cct 1, Ta = 25C, VDD = 1.6V, CL 15pF - - 40 - - typ 1 1 - - - max 3.5 3.5 60 100 100 ns ns % ns ns Unit 1. Monitored in sample lots. 2. In the case of the CF5011ALx, oscillator stop function is built-in. When INHN goes LOW, normal output stops. When INHN goes HIGH, normal output is not resumed until after the oscillator start-up time has elapsed. Current consumption and Output waveform with NPC's standard crystal f (MHz) R () 18.62 20.53 22.17 15.37 25.42 L (mH) 16.24 11.34 7.40 3.83 4.18 Ca (fF) 1.733 1.396 1.370 1.836 1.254 Cb (pF) 5.337 3.989 4.105 5.191 5.170 Cb 30 40 50 60 70 L Ca R FUNCTIONAL DESCRIPTION Standby Function Output three-state function (CF5011ALx, CF5011ANx) When INHN goes LOW, the oscillator output on Q goes high impedance. Oscillator stop function (CF5011ALx) When INHN goes LOW, the oscillator stops. Version CF5011ALx LOW HIGH (or open) CF5011ANx LOW INHN HIGH (or open) Q fO output frequency High impedance fO output frequency High impedance Oscillator Normal operation Stop Normal operation Normal operation NIPPON PRECISION CIRCUITS INC.--4 CF5011 series MEASUREMENT CIRCUITS Measurement cct 1 Measurement cct 4 Signal Generator R1 C1 XT VDD Q XTN INHN VSS XT X'tal R2 VDD Q RUP1 = VDD IPR (VPR = VSS) XTN INHN VSS Q output VOH 0V V VPR IPR RUP2 = VDD VPR IPR (VPR = 0.7V DD) 1.0VP-P , 10MHz sine wave input signal C1 : 0.001F R1 : 50 R2 : 137.5 A Measurement cct 2 Measurement cct 5 IOL, IZ VDD XT Q XTN INHN VSS IZ VDD XT Rf2 = VDD IRf A V VOL A IRf XTN INHN VSS Measurement cct 3 Load cct 1 A XT X'tal XTN INHN VDD IDD Q output CL Q VSS CL = 15pF (Including probe capacitance) NIPPON PRECISION CIRCUITS INC.--5 CF5011 series Switching Time Measurement Waveform Tr , Tf , Duty Q output 0.8VDD 0.2VDD TW 0.8VDD 0.2VDD DUTY measurement voltage (0.5V DD) tr Output duty cycle tf Q output TW T DUTY measurement voltage (0.5VDD) DUTY= TW/ T 100 (%) Output Enable/Disable Delay The following figure shows the oscillator timing during normal operation (CF5011ANx only). In case of CF5011ALx, the oscillator stops when the device is in standby. When standby is released, the oscillator starts and stable oscillator output occurs after a short delay. INHN VIH VIL tPLZ Q output INHN input waveform tPZL tr = tf 10ns NIPPON PRECISION CIRCUITS INC.--6 CF5011 series NIPPON PRECISION CIRCUITS INC. reserves the right to make changes to the products described in this data sheet in order to improve the design or performance and to supply the best possible products. Nippon Precision Circuits Inc. assumes no responsibility for the use of any circuits shown in this data sheet, conveys no license under any patent or other rights, and makes no claim that the circuits are free from patent infringement. Applications for any devices shown in this data sheet are for illustration only and Nippon Precision Circuits Inc. makes no claim or warranty that such applications will be suitable for the use specified without further testing or modification. The products described in this data sheet are not intended to use for the apparatus which influence human lives due to the failure or malfunction of the products. Customers are requested to comply with applicable laws and regulations in effect now and hereinafter, including compliance with export controls on the distribution or dissemination of the products. Customers shall not export, directly or indirectly, any products without first obtaining required licenses and approvals from appropriate government agencies. NIPPON PRECISION CIRCUITS INC. 4-3, Fukuzumi 2-chome, Koto-ku, Tokyo 135-8430, Japan Telephone: +81-3-3642-6661 Facsimile: +81-3-3642-6698 http://www.npc.co.jp/ Email: sales@npc.co.jp NC0110AE 2002.01 NIPPON PRECISION CIRCUITS INC.--7 |
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