(China (Mainland))
Product Summary
The RadiSys R400EX is a High-Integration Intel486 System Controller. It is a member of the RadiSys family of long-life em-bedded core logic. Designed specifically to support Intel486 processors, the R400EX is a true third-generation embedded chip set that addresses the functional needs of embedded app-lications, as well as their requirement for a long product life. The R400EX incorporates features needed for a PC-compatible embedded system design and provides a simple, lowcost, seamless interface to additional chips such as video controllers or PCMCIA controllers. RadiSys is committed to long-term support for the R400EX.
Parametrics
R400EX absolute maximum ratings: (1)case temperature under bias: -65 to 110 ℃; (2)storage temperature: -65 to 110 ℃; (3)supply voltage with respect to gound: -0.5 to VCC+0.5 V; (4)voltage on any pin: -0.5 to VCC+0.5 V.
Features
R400EX features: (1)Supports Intel486 CPUs including ULP486 SX; (2)EDO/FPM DRAM controller supports from 1MB to 128MB; (3)Supports L1 write-back cache; (4)Two integrated 16550-compatible UARTs; (5)Integrated real-time clock; (6)Enhanced IDE interface or DRAM parity support; (7)Keyboard and mouse controller; (8)Power management; (9)SMI support; (10)5V or 3.3V operation; (11)Complete PC-engine logic; (12)Supports seven PC-compatible DMA channels; (13)Supports fifteen PC-compatible ISAbus interrupts; (14)Integrated 8254-compatible timer/counter.
Diagrams
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 R4000 |
Rectron |
Rectifiers HV Fst Rec Rct 200mA,4000V |
Data Sheet |
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R4000-B |
Rectron |
Rectifiers 200mA 4000V |
Data Sheet |
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R4000F |
Rectron |
Rectifiers USE 583-R4000F-B |
Data Sheet |
Negotiable |
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R4000F-B |
Rectron |
Rectifiers 200mA 4000V 500ns |
Data Sheet |
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R4000F-T |
Rectron |
Rectifiers 200mA 4000V 500ns |
Data Sheet |
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R4000-T |
Rectron |
Rectifiers 200mA 4000V |
Data Sheet |
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