cdp6872 Intersil Corporation, cdp6872 Datasheet
cdp6872
Related parts for cdp6872
cdp6872 Summary of contents
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... Copyright Description The CDP6872 is a very low power crystal-controlled oscillators that can be externally programmed to operate between 10kHz and 10MHz. For normal operation it requires only the addition of a crystal. The part exhibits very high stability over a wide operating voltage and temperature range. ...
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... FREQ (NOTE 1) 7 FREQ 2 ENABLE FREQ NOTE: 1. Logic input pull-up resistors are constant current source of 0.4 A. CDP6872 EXTERNAL CRYSTAL OSC OSC OUT R F 15pF S1b S1c BUFFER AMP FREQUENCY SELECTION TRUTH TABLE ...
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... Calculated using the equation Human body model. 3. This product is production tested at +25 4. Duty cycle will vary with supply voltage, oscillation frequency, and parasitic capacitance on the crystal pins. Specifications CDP6872 Operating Conditions Operating Temperature (Note -40 -0. +0.3V Storage Temperature Range -65 SS ...
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... A secondary source of wasted supply current is parasitic or crystal load capacitance on pins 2 and 3. The CDP6872 is designed to work with most available crystals in its frequency range with no external components required. Two 15pF capacitors are internally switched onto crystal pins 2 and 3 to compensate the oscillator in the 10kHz to 100kHz frequency range ...
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... Crystal Selection For general purpose applications, a Parallel Mode Crystal is a good choice for use with the CDP6872. However for applications where a precision frequency is required, the designer needs to consider other factors. Crystals are available in two types or modes of oscillation, Series and Parallel. Series Mode crystals are manufactured to operate at a specifi ...
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... CDP6872 Layout Considerations Due to the extremely low current (and therefore high imped- ance) the circuit board layout of the CDP6872 must be given special attention. Stray capacitance should be minimized. Keep the oscillator traces on a single layer of the PCB. Avoid putting a ground plane above or below this layer. The traces ...
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... Type: Nitride ( Over Silox (SiO 3 4 Å Å Silox Thickness Å Å Nitride Thickness DIE ATTACH: Material: Silver Epoxy - Plastic DIP and SOIC SUBSTRATE POTENTIAL Metallization Mask Layout CRYSTAL (2) CRYSTAL (3) CDP6872 , 3% Phos) 2 CDP6872 7 (7) FREQ 2 (6) FREQ 1 ...
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... IN CC 300 250 GENERATOR 200 150 X AT +25 100 TAL 50 0 -100 - TEMPERATURE ( FIGURE 9. DISABLE SUPPLY CURRENT vs TEMPERATURE †Refer to Test Circuit (Figure 1). CDP6872 C = 18pF OSC = 40pF) FIGURE 6. OUTPUT WAVEFORM ( 30pF † GENERATOR (1V ...
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... FIGURE 13. SUPPLY CURRENT vs FREQUENCY 18pF, GENERATOR L 250 200 150 100 FREQUENCY (MHz) FIGURE 15. DISABLED SUPPLY CURRENT vs FREQUENCY †Refer to Test Circuit (Figure 1). CDP6872 (Continued) 1400 † =1, C (1V ) P-P 1200 1000 800 600 V = +5V CC 400 200 0 ...
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... +5V, GENERATOR CC 300 250 200 150 100 100 200 300 400 500 600 700 800 900 1000 1100 FREQUENCY (kHz) FIGURE 21. SUPPLY CURRENT vs FREQUENCY †Refer to Test Circuit (Figure 1). CDP6872 (Continued) † +5V ...
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... DATA COLLECTED USING CRYSTALS AT EACH FREQUENCY RECOMMENDED FOR 100kHz TO 1MHz RANGE 40 0 500 1000 1500 2000 FREQUENCY (kHz) FIGURE 27. DUTY CYCLE vs FREQUENCY †Refer to Test Circuit (Figure 1). CDP6872 (Continued 100kHz +25 C TAL † ...
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... 100kHz 5MHz (pF) L FIGURE 33. RISE/FALL TIME vs C †Refer to Test Circuit (Figure 1). CDP6872 (Continued 5V 32kHz 1MHz 5 5MHz 10MHz -100 FIGURE 30. EDGE JITTER vs TEMPERATURE 100kHz ...
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... FIGURE 39. DUTY CYCLE 32kHz S value will be proportional to the effective series resis GND SS 311.6 A/V o 177 1000pF 100 CDP6872 100K 1M 10M FREQUENCY (Hz) = GND SS 6.56 A/V 180 170 160 o 166 150 1000pF 1 F 140 2 3 130 100 CDP6872 120 ...
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... Dambar protrusions shall not exceed 0.010 inch (0.25mm the maximum number of terminal positions. 10. Corner leads (1, N, N/2 and N for E8.3, E16.3, E18.3, E28.3, E42.6 will have a B1 dimension of 0.030 - 0.045 inch (0.76 - 1.14mm). CDP6872 E8.3 (JEDEC MS-001-BA ISSUE D) 8 LEAD DUAL-IN-LINE PLASTIC PACKAGE SYMBOL ...
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... For information regarding Intersil Corporation and its products, see web site http://www.intersil.com Sales Office Headquarters NORTH AMERICA Intersil Corporation P. O. Box 883, Mail Stop 53-204 Melbourne, FL 32902 TEL: (407) 724-7000 FAX: (407) 724-7240 CDP6872 M8.15 (JEDEC MS-012-AA ISSUE C) 8 LEAD NARROW BODY SMALL OUTLINE PLASTIC PACKAGE SYMBOL ...