XC2141_001 TOREX | Alldatasheet
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ICs for use with Crystal Oscillators /INH Q0 "H" Output open Output "L" High Impedance (oscillation stopped) PIN NUMBER PIN NAME FUNCTION 1 /I NH Control *
2 XT Oscillator Connection (Input)
3 V SS GND
4 Q0 Output
5 V DD Power Supply
6 /XT Oscillator Connection (Output) ■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 ■PIN CONFIGURATION ■FEATURES Oscillation Frequency : 20MHz ~ 58MHz Divider Ratio : f0/1 Output : 3-State Operating Voltage Range : 3.5V ±10% Small Quiescent Current : 10mA (F OSC=53MHz) Stand-By Function CMOS : Low Power Consumption Ultra Small Package : SOT-26 (150mW) ■PIN ASSIGNMENT * Control pin has pull-up resistor built-in. ■INH, Q0 PIN FUNCTION "H" = High level "L" = Low level SOT-26 (TOP VIEW) ETR1401_001
DESIGNATOR DESCRIPTION SYMBOL DESCRIPTION ① Supply Voltage 4 : 3.5V ② Product Series 1 : Large output capability, fundamental & overtone ③ Duty Level C : CMOS (V DD/2) ④ Fixed Number 2 : Fixed ⑤ Divider Ratio 1 : f0/1 ⑥ Fundamental / Overtone Rf, Cg, Dc A : No Rf, Cg, Cd = 2pF ⑦ Package M : SOT-26 R : Embossed tape, standard feed ⑧ Device Orientation L : Embossed tape, reverse feed PART NUMBER DUTY LEVEL DIVIDER Rf Cg & Cd XC2141C21A CMOS (V DD/2) f0/1 External External ■PRODUCT CLASSIFICATION
- Ordering Information XC21①②③④⑤⑥⑦⑧ ■STANDARD PARTS 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.
PARAMETER SYMBOL CONDITIONS UNITS Supply Voltage V DD V SS - 0.3 ~ VSS + 7.0 V Input Voltage V IN V SS - 0.3 ~ VDD + 0.3 V Power Dissipation Pd 150 mW Operating Temperature Range Topr -30 ~ +75 ℃ Storage Temperature Range Tstg -55 ~ +125 ℃ PARAMETER SYMBOL CONDITIONS MIN. TYP . MAX. UNITS Operating Supply Voltage V DD 3.15 3.50 3.85 V Oscillation Start-Up Time T ST - 5.00 - ms Input Voltage 'High' V IH 2.4 - - V Input Voltage 'Low' V IL - - 0.4 V Output Current 'High' I OH V OH = 3.15V - - 8 - mA Output Current 'Low' I OL V OL = 0.35V - 12 - mA Supply Current 1 I DD1 / I NH = OPEN, Q0 = OPEN - - 10 mA Supply Current 2 I DD2 / I NH = "L" - - 520 μA Input Pull-Up Resistance R UP / I NH = 3.15V 50 - 200 k Ω Output Disable Leak Current I OZ / I NH = "L" - - 10 μA ■BLOCK DIAGRAM ■ABSOLUTE MAXIMUM RATINGS ■ELECTRICAL CHARACTERISTICS XC2141C21AMR (Overtone) f0/1 VDD=3.5V, FOSC=53MHz, Rf=7.5kΩ, No Load, Ta = 25℃
PARAMETER SYMBOL CONDITIONS MIN. TYP . MAX. UNITS Output Rise Time T TLH 0.1V DD 0 . 9 V DD - - 9 ns Output Fall Time T THL 0.9V DD 0 . 1 V DD - - 8 ns Duty Cycle 1 DUTY 1 at V DD/2, f0/1 Output 40 - 60 % ■SWITCHING CHARACTERISTICS CMOS Duty, VDD=3.5V, Load = 15pF, Ta = 25℃
2 CMOS (V DD/2)
■PACKAGING INFORMATION
- SOT-26 ■MARKING RULE ①Represents divider ratio ②Represents duty level ③Represents 'A' which equals 'No Rf, Cg, Cd = 2pF' ④Represents assembly lot number (based on internal standards)
- 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.