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參數(shù)資料
| 型號(hào)： | DS26900LN+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 1/49頁 |
| 文件大小： | 0K |
| 描述： | IC JTAG MUX/SWITCH 144-LQFP |
| 標(biāo)準(zhǔn)包裝： | 90 |
| 系列： | * |
| 功能： | * |
| 電壓電源： | 單電源 |
| 電壓 - 電源，單路/雙路(±)： | 3.14 V ~ 3.47 V |
| 電流 - 電源： | * |
| 工作溫度： | * |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 144-LQFP |
| 供應(yīng)商設(shè)備封裝： | 144-LQFP（20x20） |
| 包裝： | 托盤 |
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______________________________________________Maxim Integrated Products 1
Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple
revisions of any device may be simultaneously available through various sales channels. For information about device
errata, go to: www.maxim-ic.com/errata. For pricing, delivery, and ordering information, please contact Maxim Direct at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
DS26900
JTAG Multiplexer/Switch
General Description
The DS26900 is a JTAG signal multiplexer providing
connectivity between one of three master ports and
up to 18 (36 in cascade configuration) secondary
ports. The device is fully configurable from any one of
the
three
master
ports.
The
DS26900
can
automatically detect the presence JTAG devices on
the secondary ports.
The DS26900 can be used in multiple configurations
including as a single device, two cascaded devices,
or two redundant devices.
All device control and configuration is accomplished
through standard JTAG operations via the selected
master port.
Applications
MicroTCA Chassis
ATCA Chassis
AMC Carrier Cards
JSM Modules
System Level JTAG
MicroTCA JSM Functional Diagram
AMC1
DS26900
JTAG
SWITCH
AMC2
AMC3
AMC4
AMC18
AMCn
MCH1
MCH2
CRAFT
MASTER1
MASTER3
MASTER2
Features
Efficient Solution for Star Architecture JTAG
Provides Transparent Communications
Between the Arbitrated Master and a Selected
Secondary Port
Single-Package Solution Provides 18
Secondary Ports
Two-Package Cascade Configuration
Provides 36 Secondary Ports
Three Arbitrated Master Ports
Autodetection of Port Presence
Internal Pullup/Down Resistors
Two 32-Bit Scratchpad Registers
Four GPIO Pins for Read/Write Control and
Signaling Applications
Operation Up to 50MHz
Signal Path Modification Options
Redundancy with High-Impedance Pin
Independent Periphery JTAG
Configuration Mode Uses IEEE 1149.1 TAP
Controller
Supports Live Insertion/Withdrawal
3.3V Operation
Industrial Temperature Operation
RoHS-Compliant Packaging
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
DS26900LN+
-40
°C to +85°C
144 LQFP
+Denotes a lead(Pb)-free/RoHS-compliant package.
19-5747; Rev 1; 2/11
MicroTCA and ATCA are registered trademarks of PICMG.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS26900LN+ | 功能描述:多路器開關(guān) IC JTAG MUX RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| DS26900N+ | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:JTAG Multiplexer/Switch |
| DS26C31 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:CMOS QUAD TRI-STATE DIFFERENTIAL LINE DRIVER |
| DS26C31 DIE | 制造商:Texas Instruments 功能描述: |
| DS26C31_BBA3026X WAF | 制造商:Texas Instruments 功能描述: |
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