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參數(shù)資料
| 型號(hào)： | STP2022PQFP |
| 元件分類(lèi)： | 參考電壓二極管 |
| 英文描述： | Low Current Operation at 250 ，Low Reverse Leakage,Low Noise Zener Diode |
| 中文描述： | 250 的低電流運(yùn)算，低反向泄露，低噪聲穩(wěn)壓二極管 |
| 文件頁(yè)數(shù)： | 1/20頁(yè) |
| 文件大小： | 221K |
| 代理商： | STP2022PQFP |
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STP2000QFP
Master I/O
32-bit SBus Master I/ O Controller
D
ESCRIPTION
The STP2000 Master I/ O Controller is an integrated SBus master device with built-in standard I/ O capabili-
ties for general purpose computing or embedded applications. The STP2000 directly interfaces the CPU
through the system bus, SBus, to three major I/ O channels for peripherals. The I/ O channels include SCSI-II,
ethernet and a parallel port. Together, with the STP2001 Slave I/ O Controller, it provides a complete I/ O
subsystem.
The STP2000 SBus interface is a 32-bit interface that supports both DMA and slave modes. There is data buff-
ering and flow control on each of the I/ O channels. Each channel has access to the SBus through the controller
which is capable of DMA transfers of up to 32-byte bursts. The SBus slave port is used mostly for status and
control.
The STP2000 incorporates an ethernet controller, a Fast 8-bit SCSI-II controller, and a Centronics parallel port
controller in a single package. The SCSI-II channel directly drives external peripherals. The ethernet channel
can be connected to an external transceiver chip that supports twisted pair ethernet or AUI ethernet. The par-
allel port channel can be routed to external transceivers.
Features
Benefits
Single-chip solution to standard SPARC DVMA devices
Compatible with microSPARC, SuperSPARC and any
SBus based system
Supports concurrent 10 MByte/sec SCSI transfers,
1.25 MByte/sec Ethernet transfers, and 4 MByte/sec
Parallel Port transfers
Direct master/slave SBus interface
JTAG internal and boundary SCAN logic
160-pin PQFP packaging
IC is also available from NCR Corp. (PN - NCR89C100)
Saves cost, power, board space, and weight
Standard low-cost solution
Improved system performance
Improved system performance
Improved chip and board level testability
Cost effective packaging
Second source
July 1997
This Material Copyrighted by Its Respective Manufacturer
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| STP2024PQFP | Low Current Operation at 250 ，Low Reverse Leakage,Low Noise Zener Diode |
| STP20N10FI | Low Current Operation at 250 ，Low Reverse Leakage,Low Noise Zener Diode |
| STP20N10 | N - CHANNEL ENHANCEMENT MODE POWER MOS TRANSISTOR |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STP2024PQFP | 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:DMA Controller |
| STP2024QFP | 制造商:SUN 功能描述: 制造商:SUN 功能描述:Electronic Component |
| STP-203 | 制造商:Hosa Technology 功能描述:Audio Cable 3M 1/4" TRS To Dual 1/4" TS 制造商:HOSA 功能描述:AUDIO CABLE 3M 1/4 IN TRS TO DUAL 1/4 IN TS |
| STP-204 | 制造商:Hosa Technology 功能描述:Audio Cable 4M 1/4" TRS To Dual 1/4" TS 制造商:HOSA 功能描述:AUDIO CABLE 4M 1/4 IN TRS TO DUAL 1/4 IN TS |
| STP20N06 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:N - CHANNEL ENHANCEMENT MODE POWER MOS TRANSISTOR |
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