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DP802518 TROPIC TsunamiTM TROPIC IITM Microcode ROM



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October 1993 DP802518 TROPIC Tsunami TM TROPIC II TM Microcode ROM General Description Features The DP802518 Tsunami is the microcode device for the high performance Token Ring Protocol Interface Controller TROPIC II Token Ring chipset this device features an interface compatible to the DP80253 controller which allows direct connection without the use of glue logic The DP802518 Tsunami is implemented using National Semiconductor s Advanced CMOS process and operates from a single 5V g 10 power supply The Tsunami is available in either a 28 pin DIP or 32 pin PLCC package Y Y Y TROPIC II compatible Glueless interface High performance CMOS Surface Mount and DIP Packages 28 pin molded plastic DIP 32 pin PLCC Block Diagram TL F 11914 1 TRI STATE is a registered trademark of National Semiconductor Corporation TROPIC TsunamiTM and TROPIC IITM are trademarks of National Semiconductor Corporation C1995 National Semiconductor Corporation TL F 11914 RRD B30M105 Printed in U S A DP802518 TROPIC Tsunami TROPIC II Microcode ROM PRELIMINARY Connection Diagrams PLCC DIP TL F 11914 3 Order Number DP802518V See NS Package Number VA32A TL F 11914 2 Order Number DP802518N See NS Package Number N28B Commercial Temperature Range 0 C to a 70 C VCC e 5V g 10 Parameter Order Number Check Sum DP802518 N V xxxx Pin Names A0 A15 Addresses CE Chip Enable OE Output Enable O0 O7 Outputs NC No Connect 2 Absolute Maximum Ratings Note 1 Operating Range If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Storage Temperature Range Temperature VCC Commercial 0 C to a 70 C 5V g 10 b 65 C to a 150 C All Input Voltages with Respect to Ground b 0 6V to a 7V VCC Supply Voltage with Respect to Ground b 0 6V to a 7V ESD Protection All Output Voltages with Respect to Ground l 2000V VCC a 1 0V to GND b0 6V Read Operation DC Electrical Characteristics Over operating range Symbol VIL Parameter Test Conditions



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