SP8790

Obsolescence Notice This product is obsolete. This information is available for your convenience only. For more information on Zarlink’s obsolete products and replacement product lists, please visit http://products.zarlink.com/obsolete_products/ THIS DOCUMENT IS FOR MAINTENANCE PURPOSES ONLY AND IS NOT RECOMMENDED FOR NEW DESIGNS ADVANCE INFORMATION DS3675-1·2 SP8790 60MHz44 (2-MODULUS EXTENDER) The SP8790 is a divide-by-four counter designed for use with 2-modulus dividers. It increases the minimum division ratio of the 2-modulus divider while retaining the same difference in division ratio. The device is suitable for use in low power frequency synthesis interfacing to CMOS or TTL. CLOCK INPUT CLOCK INPUT 7 8 CONTROL INPUT 6 5 4 VEE NC 3 COUNTER OUTPUT 1 2 CONTROL OUTPUT VCC FEATURES s Very Low Power s Control Input and Counter Output will Interface Directly to TTL or CMOS s Interfaces to GPS SP8000 Series Programmable 2-Modulus Dividers QUICK REFERENCE DATA s Supply Voltage: 5·0V CM8 Fig. 1 Pin connections - bottom view s Power Consumption: 40mW s Temperature Range: 255°C to 1125°C (A Grade) 230°C to 170°C (B Grade) ABSOLUTE MAXIMUM RATINGS Supply voltage Open collector output voltage Storage temperature range Max. junction temperature Max. clock input voltage Output sink current 8V 12V 265°C to 1150°C 1175°C 2·5V p-p 10mA ORDERING INFORMATION SP8790 A CM SP8790 B CM CONTROL INPUT 6 CONTROL OUTPUT 2 VCC 1 D Q D Q OUTPUT STAGE 3 OPEN COLLECTOR COUNTER OUTPUT...