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Part Number: NS32490D
Description: The DP8390DNS32490D Network Interface Controller (NIC) is a microCMOS VLSI device designed to ease interfacing with CSM...
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NS32490D
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General Description
NS32490D General Description
The DP8390DNS32490D Network Interface Controller (NIC) is a microCMOS VLSI device designed to ease interfacing with CSMACD type local area networks including Ethernet Thin Ethernet (Cheapernet) and StarLAN The NIC implements all Media Access Control (MAC) layer functions for transmission and reception of packets in accordance with the IEEE 8023 Standard Unique dual DMA channels and an internal FIFO provide a simple yet efficient packet management design To minimize system parts count and cost all bus arbitration and memory support logic are integrated into the NIC
The NIC is the heart of a three chip set that implements the complete IEEE 8023 protocol and node electronics as shown below The others include the DP8391 Serial Network Interface (SNI) and the DP8392 Coaxial Transceiver Interface (CTI)
NS32490D Maximum Ratings
SupplyVoltage(VCC) ......................................-0.5Vto7.0V
DCInputVoltage(VIN) ...........................-0.5VtoVCC +0.5V
DCOutputVoltage(VOUT) ......................-0.5VtoVCC+ 0.5V
StorageTemperatureRange(TSTG) ...............-65to150
PowerDissipation(PD).......................................... 500mW
LeadTemperature(Soldering10sec)......................... 260
ESDrating(RZAP =1.5k,CZAP =120pF) .....................1600V
DCInputVoltage(VIN) ...........................-0.5VtoVCC +0.5V
DCOutputVoltage(VOUT) ......................-0.5VtoVCC+ 0.5V
StorageTemperatureRange(TSTG) ...............-65to150
PowerDissipation(PD).......................................... 500mW
LeadTemperature(Soldering10sec)......................... 260
ESDrating(RZAP =1.5k,CZAP =120pF) .....................1600V
NS32490D Features
Compatible with IEEE 8023Ethernet IIThin Ethernet StarLAN
Interfaces with 8- 16- and 32-bit microprocessor systems
Implements simple versatile buffer management
Requires single 5V supply
Utilizes low power microCMOS process
Includes
-Two 16-bit DMA channels
-16-byte internal FIFO with programmable threshold
- Network statistics storage
Supports physical multicast and broadcast address filtering
Provides 3 levels of loopback
Utilizes independent system and network clocks
Interfaces with 8- 16- and 32-bit microprocessor systems
Implements simple versatile buffer management
Requires single 5V supply
Utilizes low power microCMOS process
Includes
-Two 16-bit DMA channels
-16-byte internal FIFO with programmable threshold
- Network statistics storage
Supports physical multicast and broadcast address filtering
Provides 3 levels of loopback
Utilizes independent system and network clocks
NS32490D Connection Diagram
NS32491
PDF/DataSheet Download
- Datasheet: NS32491
- File Size: 179712 KB
- Manufacturer: NSC [National Semiconductor]
- Click here to Download
- ·NS32828
- NSC [National Semiconductor]
- 1 Megabit High Speed Dynamic RAM Controller/Drivers
- 945262 KB
- ·NS32829
- NSC [National Semiconductor]
- 1 Megabit High Speed Dynamic RAM Controller/Drivers
- 945262 KB
- ·NS32FV100FV
- NSC [National Semiconductor]
- System Controller
- 978748 KB
- ·NS32FV16-20
- NSC [National Semiconductor]
- Advanced Imaging/Communication Signal Processors
- 1079022 KB
- ·NS32FV16-25
- NSC [National Semiconductor]
- Advanced Imaging/Communication Signal Processors
- 1079022 KB
- ·NS32FX100-15
- NSC [National Semiconductor]
- System Controller
- 978748 KB
- ·NS32FX100VF
- NSC [National Semiconductor]
- System Controller
- 978748 KB
- ·NS32FX161-15
- NSC [National Semiconductor]
- Advanced Imaging/Communication Signal Processors
- 1079022 KB
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