DS8674

DS8673 DS8674 Low Power VHF UHF Prescalers April 1988 DS8673 DS8674 Low Power VHF UHF Prescalers General Description The DS8673 and DS8674 products are low power prescalers which divide by 64 and 256 respectively The devices are used in frequency synthesis applications such as TV CATV cellular phone and instrumentation to divide a very high frequency down to a frequency usable by low power MOS PLL’s The devices have differential buffered inputs and complementary ECL outputs The inputs provide high input sensitivity and good isolation The DS8673 is pin compatible with Plessey’s SP4531 SP4632 and Motorola’s MC12073 products The DS8674 is pin compatible with Plessey’s SP4653 and Motorola’s MC12074 products Features Y Y Y Y Y 1 0 GHz operating frequency 25 mA typical supply current 20 mV rms input sensitivity 0 8V complementary ECL outputs Low output radiation Block and Connection Diagrams Dual-In-Line Package TL F 9340 – 1 Top View Order Number DS8673N or DS8674N See NS Package Number N08E TL F 9340 – 2 C1995 National Semiconductor Corporation TL F 9340 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note 1) Output Voltage Operating Free Air Temperature Range Storage Temperature Range ESD rating is to be determined VCC a 0 5V b 40 C to a 85 C b 65 C to a 150 C If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage Input Voltage 7V 7V Recommen...