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 prescal-
ers 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鈥檚
The devices have differential buffered inputs and comple-
mentary ECL outputs The inputs provide high input sensitiv-
ity and good isolation The DS8673 is pin compatible with
Plessey鈥檚 SP4531 SP4632 and Motorola鈥檚 MC12073 prod-
ucts The DS8674 is pin compatible with Plessey鈥檚 SP4653
and Motorola鈥檚 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 鈥?1
Top View
Order Number DS8673N or DS8674N
See NS Package Number N08E
TL F 9340 鈥?
C
1995 National Semiconductor Corporation
TL F 9340
RRD-B30M105 Printed in U S A