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THIS DOCUMENT IS FOR MAINTENANCE PURPOSES ONLY AND IS NOT RECOMMENDED FOR NEW DESIGNS
ADVANCE INFORMATION
DS3661-1*2
SP8610 1000MHz44 4 SP8611 1300/1500MHz44 4
The SP8610 and SP8611 are asynchronous ECL divide by four circuits with ECL compatible outputs which can also be used to drive 100 lines. They feature input sensitivities of 600mV p-p (800mV p-p above 1300MHz).
NC NC NC CLOCK INPUT NC
1 2 3 4 5 6 7 14 13 12
VCC (0V) NC NC OUTPUT OUTPUT NC NC
FEATURES s ECL Compatible Outputs
s AC-Coupled Inputs (Internal Bias)
QUICK REFERENCE DATA s Supply Voltage: 25*2V
SP8610 SP8611
11 10
INTERNAL BIAS DECOUPLING VEE
9 8
s Power Consumption: 380mW s Max. Input Frequency: 1500MHz (SP8611B) s Temperature Range:
A Grade: 255C to 1110C (1125C with suitable heat sink) B Grade: 0C to 170C
DG14
Fig. 1 Pin connections - top view
ABSOLUTE MAXIMUM RATINGS
Supply voltage, VEE Output current Storage temperature range Max. junction temperature Max. clock input voltage 28V 15mA 265C to 1150C 1175C 2*5V p-p
ORDERING INFORMATION
SP8610 A DG SP8610 B DG SP8610 AA DG SP8610 NA 1C SP8611 A DG SP8611 B DG SP8611 AA DG SP8611 NA 1C
VCC (0V) 14
11 CLOCK INPUT 4 DIVIDE BY 2 DIVIDE BY 2 10
OUTPUT
OUTPUT
6 INTERNAL BIAS DECOUPLING
7 VEE
Fig. 2 Functional diagram
SP8610/11
ELECTRICAL CHARACTERISTICS
Unless otherwise stated, the Electrical Characteristics are guaranteed over specified supply, frequency and temperature range Supply voltage, VCC = 0V, VEE = 25*2V 6 0*25V Temperature, TAMB = 255C to 1125C (A Grade) (Note 1), 0C to 170C (B Grade) Value Characteristic Maximum frequency (sinewave input) Symbol fMAX Min. 1*0 1*3 1*5 Max. Units Type Conditions Notes
Minimum frequency (sinewave input) Current consumption Output low voltage Output high voltage Minimum output swing
fMIN IEE VOL VOH VOUT 21*92 20*93 500
GHz SP8605A,B Input = 400-1200mV p-p GHz SP8606A Input = 800-1200mV p-p GHz SP8606B Input = 400-1200mV p-p Input = 600-1200mV p-p All 150 MHz VEE = 25*45V, outputs All 100 mA unloaded All VEE = 25*2V, RL = 430 21*62 V (25C) VEE = 25*2V, RL = 430 All 20*75 V (25C) VEE = 25*2V, RL = 430 All mV
6 6 6 4 5
5
NOTES 1. The A Grade devices must be used with a heat sink to maintain chip temperature below 1150C when operating in a TAMB of 1125C. 2. The temperature coefficients of VOH = 11*2mV/C, and VOL = 10*24mV/C but these are not tested. 3. The test configuration for dynamic testing is shown in Fig.5. 4. Tested at 25C and 1125C only (170C for B grade). 5. Tested at 25C only 6. Tested at 1125C only (170C for B grade).
SP8611A 1400 INPUT AMPLITUDE (mV p-p) 1200 1000 800 600 400 TCASE = 1125C 200 TCASE = 255C 0 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 INPUT FREQUENCY (MHz) SP8611B
GUARANTEED * OPERATING WINDOW
TCASE = 170C
* Tested as specified
in table of Electrical Characteristics
Fig. 3 Typical input characteristic of SP8611
THERMAL CHARACTERISTICS
uJC approximately 30C/W uJA approximately 110C/W
OPERATING NOTES
1. The clock input (pin 4) should be capacitively coupled to the signal source. The input signal path is completed by connecting a capacitor from the internal bias decoupling, pin 6, 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 10k resistor from the unused input to VEE i.e. from pin 4 to pin 7. This will reduce the input sensitivity by approximately 100mV. 3. The circuit will operate at very low input frequencies but slew rate must be better than 200V/s. 4. The input impedance of the SP8610/11 is a function of frequency, see Fig. 4. 5. The emitter follower outputs require external load resistors. These should not be less than 330 and a value of 430 is recommended. Interfacing to ECLlll/10K is shown in Fig. 7. 6. These devices may be used with split suopply lines and ground referenced input; a suitable configuration is shown in Fig. 6. 7. All components should be suitable for the frequency in use.
2
SP8610/11
j1 j 0.5 j2
j 0.2
1300 1400 1500 1200 1100 1000 0.2 0.5 1 2 5
j5
0
900 2j 5 2j 0.2 800 700 600 500
2j 2 2j 0.5 2j 1
Fig. 4 Typical input impedance. Test conditions: supply voltage = 25*2V, ambient temperature = 25C, frequencies in MHz, Impedances normalised to 50
VCC = 0V 10n 4 33 33 MONITOR 1n 20 6 14 11 50 50 1n 1n 50 LINE TO SCOPE
50 SIGNAL SOURCE
DUT
7
10
430
430 VEE = 25*2V60*25V
25dB ATTENUATOR NETWORK
10n
Fig. 5 Toggle frequency test circuit
13V 10n 50 SIGNAL SOURCE 50 6 7 430 430 VEE = 22*2V 10n 4 14 11 50 50 1n OUTPUT 1n OUTPUT
DUT
10
Fig. 6 Circuit for using the input signal about ground potential
3
SP8610/11
VCC = 0V 47 Q
0V
SP8610/11
Q 430 430
ECLlll ECL10K
SP8610/11
ECLlll ECL10K
1*5k
25*2V
25*2V
LOW POWER INTERFACING
Fig. 7 Interfacing SP8610/11 to ECL10K and ECLlll
14
1n INPUT
4 11 ECL OUTPUT
400
DIVIDE BY 4
10
6 1n
BIAS 430 7 25*2V 1n 430
Fig. 8 Typical application showing interfacing
4
SP8610/11
NOTES
5
SP8610/11
PACKAGE DETAILS
Dimensions are shown thus: mm (in).
1 5*59/7*87 (0*220/0*310) 14 0*20/0*36 (0*008/0*014) PIN 1 REF NOTCH 7*62 (0*3) NOM CTRS
1*14/1*65 (0*045/0*065) 20*32 (0*800) MAX
SEATING PLANE
5*08/(0*20) MAX
0*51 (0*02) 3*18/4*06 MIN (0*125/0*160)
0*36/0*58 (0*014/0*23)
14 LEADS AT 2*54 (0*10) NOM. SPACING
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.
14-LEAD CERAMIC DIL - DG14
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 q FRANCE & BENELUX Les Ulis Cedex Tel: (1) 64 46 23 45 Fax : (1) 64 46 06 07 q GERMANY Munich Tel: (089) 3609 06-0 Fax : (089) 3609 06-55 q ITALY Milan Tel: (02) 66040867 Fax: (02) 66040993 q JAPAN Tokyo Tel: (3) 5276-5501 Fax: (3) 5276-5510 q NORTH AMERICA Scotts Valley, USA Tel: (408) 438 2900 Fax: (408) 438 7023. q SOUTH EAST ASIA Singapore Tel: (65) 3827708 Fax: (65) 3828872 q SWEDEN Stockholm Tel: 46 8 702 97 70 Fax: 46 8 640 47 36 q UK, EIRE, DENMARK, FINLAND & NORWAY Swindon Tel: (0793) 518510 Fax : (0793) 518582 These are supported by Agents and Distributors in major countries world-wide. (c) GEC Plessey Semiconductors 1994 Publication No. DS3661 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 regarding 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, which are available on request.
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