CALIFORNIA MICRO DEVICES
PDN001
Schottky Diode Network
Features
• Highly effective termination on controlled and uncontrolled line impedances • 18 terminating lines/package • Saves board space and component cost
Applications
• Reduce overshoots and undershoots on high speed data lines
Product Description
Reflections on high speed data lines lead to undershoot and overshoot disturbances which may result in improper system operation. Resistors, when used to terminate these high speed data lines, increase power consumption and degrade the output high level resulting in reduced noise immunity. For these reasons, Schottky diodes are often recommended for termination. CAMD’s PDN001 Schottky Diode minimizes the overshoots and undershoots and provides effective termination of high speed data lines under variable loading conditions.
Note: The PDN001 has been improved and is available as an upgraded device — PACDN005. The PACDN005 is recommended for all new designs.
SCHEMATIC CONFIGURATION
S TA N D A R D PA R T O R D E R I N G I N F O R M AT I O N
Package Pins 20 Style QSOP Tubes PDN001/T Ordering Part Number Tape & Reel PDN001/R Part Marking PDN001
S TA N D A R D S P E C I F I C AT I O N S
Parameter Operating Temperature Range Diode Forward Voltage @IF = 1mA @IF = 12mA Supply Voltage Channel Clamp Current Power Dissipation, Max, TA = 25°C Channel Leakage, 0 ≤ VIN ≤ VDD Storage Temperature Package Power Rating
© 2000 California Micro Devices Corp. All rights reserved. 7/14/2000
Symbol
Rating 0°C to 70°C 0.45V (typical), 0.55V (Max) 1V 0.3V to 7V ±5mA 900mW 100nA −65°C to 150°C 1W, Max
C016097D
VDD – VSS ICLAMP
215 Topaz Street, Milpitas, California 95035
Tel: (408) 263-3214
Fax: (408) 263-7846
www.calmicro.com
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