Product Summary
The NS486SXL-25 is a highly integrated embedded system controller incorporating an Intel486-class 32-bit processor along with all of the necessary System Service Elements, implementing a true system on a chip. The NS486SXL-25 is ideally suited for a wide variety of applications running in a segmented protect-mode environment.
Parametrics
NS486SXL-25 absolute maximum ratings: (1)Supply Voltage, VDD, VDDA: -0.5V to +7.0V; (2)Input Voltage, VI: -0.5V to VDD +0.5V; (3)Output Voltage, VO: -0.5V to VDD +0.5V; (4)Storage Temperature, TSTG: -65°C to +165°C; (5)Lead Temperature, TL Soldering (10 seconds): +260°C; (6)CIN Input Pin Capacitance: 5 to 7 pF; (7)CIN1 Clock Input Capacitance: 8 to 10 pF.
Features
NS486SXL-25 features: (1)Intel486 instructioset compatible (protected mode only)with optimized performance; (2)Operatioat 25 MHz with 5V supply; (3)Low cost 132-piPQFP package; (4)Industry standard interrupt controller, timers, and real time clock; (5)Protected WATCHDOG timer; (6)Optimized DRAM Controller (supports two banks, up to 8 Mbytes each); (7)Up to nine versatile, programmable chip selects; (8)Up to eight external interrupts directly supported, and additional interrupt expansiothrough aexternal PIC interface; (9)Glueless interface to ISA-type peripherals; (10)Arbitratiosupport for auxiliary processor; (11)Support for External Bus Masters, allowing them to access DRAM and on-chip Peripherals; (12)MICROWIRE™/Access.bus synchronous serial interfaces.
alt="NS486SXL-25 pin connection"
Diagrams

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![]() IC NS486SXL 132PQFP |
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(China (Mainland))











