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3D3701-2 Datasheet(PDF) 3 Page - Data Delay Devices, Inc. |
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3D3701-2 Datasheet(HTML) 3 Page - Data Delay Devices, Inc. |
3 / 4 page 3D3701 APPLICATION NOTES (CONT’D) POWER SUPPLY AND TEMPERATURE CONSIDERATIONS The delay of CMOS integrated circuits is strongly dependent on power supply and temperature. The monolithic 3D3701 oscillator utilizes novel and innovative compensation circuitry to minimize the frequency variations induced by fluctuations in power supply and/or temperature. The thermal coefficient is reduced to 250 PPM/C, which is equivalent to a variation, over the -40C to 85C operating range, of ±1.5% from the room- temperature frequency setting. The power supply coefficient is reduced, over the 3.0V to 3.6V operating range, to ±0.5% of the frequency setting at the nominal 3.3VDC power supply. These specifications hold for the lower frequencies only. For higher dash numbers, the variations will be slightly greater, as noted in Table 1. It is essential that the power supply pin be adequately bypassed and filtered. In addition, the power bus should be of as low an impedance construction as possible. Power planes are preferred. DEVICE SPECIFICATIONS TABLE 2: ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL MIN MAX UNITS NOTES DC Supply Voltage VDD -0.3 7.0 V Input Pin Voltage VIN -0.3 VDD+0.3 V Input Pin Current IIN -1.0 1.0 mA 25C Storage Temperature TSTRG -55 150 C Lead Temperature TLEAD 300 C 10 sec TABLE 3: DC ELECTRICAL CHARACTERISTICS (-40C to 85C, 3.0V to 3.6V) PARAMETER SYMBOL MIN TYP MAX UNITS NOTES Static Supply Current* IDD 3.5 5.5 mA High Level Input Voltage VIH 2.0 V Low Level Input Voltage VIL 0.8 V High Level Input Current IIH 1.0 µA VIH = VDD Low Level Input Current IIL 1.0 µA VIL = 0V High Level Output Current IOH -20.0 -4.0 mA VDD = 3.0V VOH = 2.4V Low Level Output Current IOL 4.0 15.0 mA VDD = 3.0V VOL = 0.4V Output Rise & Fall Time TR & TF 2.0 2.5 ns CLD = 5 pf *IDD(Dynamic) = 2 * CLD * VDD * F Input Capacitance = 10 pf typical where: CLD = Average capacitance load/output (pf) Output Load Capacitance (CLD) = 25 pf max F = Device frequency (GHz) Doc #06026 DATA DELAY DEVICES, INC. 3 12/5/2006 3 Mt. Prospect Ave. Clifton, NJ 07013 |
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