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this document is for maintenance purposes only and is not recommended for new designs
SP8602 500mhz 4 4 4 4 4 2 sp8604 300mhz 4 4 4 4 4 2 ds3658-12 the SP8602 and sp8604 are emitter coupled logic dividers which feature ecl10k compatible outputs when used with external pulldown resistors. the inputs are ac coupled. features n ecl compatible outputs n ac-coupled inputs (internal bias) quick reference data n supply voltage: 2 52v n power consumption: 85mw n temperature range: 2 55 c to 1 125 c (a grade) 2 30 c to 1 70 c (b grade) fig. 1 pin connections - bottom view cm8 ordering information SP8602 a cm SP8602 b cm sp8604 a cm sp8604 b cm 5962-92059 (smd) (SP8602) absolute maximum ratings supply voltage, v ee output current storage temperature range max. junction temperature max. clock input voltage 1 2 6 7 3 5 8 4 v ee (case) clock input output output clock input v cc (0v) nc internal bias decoupling divide by 2 v cc (0v) internal bias decoupling clock input clock input v ee output output 35 6 7 1 2 8 fig. 2 functional diagram 2 8v 10ma 2 65 c to 1 150 c 1 175 c 25v p-p advance information
2 SP8602/4 maximum frequency (sinewave input) minimum frequency (sinewave input) power supply current output low voltage output high voltage minimum output swing f max f min i ee v ol v oh v out 500 300 2 18 2 085 400 min. max. 40 18 2 14 2 07 value notes mhz mhz mhz ma v v mv 3 3 input = 400-800mv p-p input = 400-800mv p-p input = 400-800mv p-p v ee = 2 52v, outputs unloaded v ee = 2 52v v ee = 2 52v v ee = 2 52v electrical characteristics unless otherwise stated, the electrical characteristics are guaranteed over specified supply, frequency and temperature range supply voltage, v cc = 0v, v ee = 2 52v 6 025v temperature, t amb = 2 55 c to 1 125 c (a grade), 2 30 c to 1 70 c (b grade) conditions units symbol characteristic type SP8602 sp8604 both both both both both fig. 4 typical input impedance. test conditions: supply voltage = 2 52v, ambient temperature = 25 c, frequencies in mhz, impedances normalised to 50 w notes 1. the temperature coefficients of v oh = 1 163mv/ c, and v ol = 1 034mv/ c but these are not tested. 2. the test configuration for dynamic testing is shown in fig.5. 3. tested at 25 c only. 1000 800 600 400 200 0 0 100 200 300 400 500 input frequency (mhz) input amplitude (mv p-p) * tested as specified in table of electrical characteristics t amb = 2 55 c to 1 125 c (a grade) sp8604 SP8602 guaranteed * operating window t amb = 2 30 c to 1 70 c (b grade) fig. 3 typical input characteristics of SP8602 and sp8604 400 500 j 2 j 1 j 0.5 j 0.2 0 2 j 0.2 2 j 0.5 2 j 1 2 j 2 1 0.5 0.2 j 5 2 j 5 2 5 300 200 100 50
3 SP8602/4 operating notes 1. the clock inputs (pins 1 and 2) can be driven single ended or differentially and should be capacitively coupled to the signal source. the input signal path is completed by connecting a capacitor from the internal bias decoupling, pin 3, to ground. 2. in the absence of a signal the device will self-oscillate. if this is undesirable, it may be prevented by connecting a 15k w resistor from the unused input to v ee . this will reduce the input sensitivity by approximately 100mv. 3. the circuit will operate down to dc but slew rate must be better than 100v/ m s. 4. the outputs are compatible with eclii. there is an internal load of 4k w on each output. the outputs can be interfaced to ecl10k by the addition of 15k w pulldown resistors from the outputs to v ee to increase output voltage swing. 5. input impedance is a function of frequency, see fig. 4. 6. all components should be suitable for the frequency in use. fig. 5 test circuit fig. 6 typical application showing interfacing dut 450 450 10n 10n to sampling scope v ee 5 6 7 8 1 2 1n 1n from generator input 1 to sampling scope 1n 33 33 20 1n 33 20 33 1n 33 20 3 to sampling scope from generator input 2 35k 35k 7 6 4k 4k 8 440 1 2 5 bias ecl output 15k 15k 1n 1n 1n 15k v ee input 440 divide by 2
4 SP8602/4 headquarters operations gec plessey semiconductors cheney manor, swindon, wiltshire sn2 2qw, united kingdom. tel: (0793) 518000 fax: (0793) 518411 gec plessey semiconductors p.o. box 660017 1500 green hills road, scotts valley, ca95067-0017 united states of america. tel (408) 438 2900 fax: (408) 438 5576 customer service centres l france & benelux les ulis cedex tel: (1) 64 46 23 45 fax : (1) 64 46 06 07 l germany munich tel: (089) 3609 06-0 fax : (089) 3609 06-55 l italy milan tel: (02) 66040867 fax: (02) 66040993 l japan tokyo tel: (3) 5276-5501 fax: (3) 5276-5510 l north america scotts valley, usa tel: (408) 438 2900 fax: (408) 438 7023. l south east asia singapore tel: (65) 3827708 fax: (65) 3828872 l sweden stockholm tel: 46 8 702 97 70 fax: 46 8 640 47 36 l uk, eire, denmark, finland & norway swindon tel: (0793) 518510 fax : (0793) 518582 these are supported by agents and distributors in major countries world-wide. ? gec plessey semiconductors 1994 publication no. ds3658 issue no. 1.2 march 1994 this publication is issued to provide information only which (unless agreed by the company in writing) may not be used, applied or reproduced for any purpose nor form part of any order or contract nor to be regarded as a representation relating to the products or services concerned. no warranty or guarantee express or implied is made regard ing the capability, performance or suitability of any product or service. the company reserves the right to alter without prior knowledge the specification, design or price of any product or service. information concerning possible methods of use is provided as a guide only and does not constitute any guarantee that such methods of use will be satisfactory in a specific piece of equipment. it is the user's responsibility to fully determine the performance and suitability of any equipment using such information and to ensure that any publication or data used is up to date and has not been superseded. these products are not suitable for use in any medical products whose failure to perform may result in significant injury or death to the user. all products and materials are sold and services provided subject to the company's conditions of sale, w hich are available on request. package details dimensions are shown thus: mm (in). 483/533 p.c.d. (0190/0210) 45 041/053 (0016/0021) 1270/1428 (0500/0570) 419/470 (0165/0185) 800/851 (0315/0335) 863/939 (0340/0370) 025/102 (0010/0040) 1 2 3 4 5 6 7 8 notes 1. controlling dimensions are inches. 2. this package outline diagram is for guidance only. please contact your gps customer service centre for further information. 8-lead metal can - cm8
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