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參數(shù)資料
| 型號： | MIC2341-2YTQ |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 24/32頁 |
| 文件大小： | 1277K |
| 描述： | IC HOT PLUG CTLR DUAL PCI 48TQFP |
| 標(biāo)準(zhǔn)包裝： | 250 |
| 類型： | 熱交換控制器 |
| 應(yīng)用： | 通用型，PCI Express? |
| 內(nèi)部開關(guān)： | 無 |
| 電源電壓： | 3.3V，12V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-TQFP |
| 供應(yīng)商設(shè)備封裝： | 48-TQFP（7x7） |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1085 (CN2011-ZH PDF) |
| 其它名稱： | 576-2995 |
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Micrel, Inc.
MIC2341/2341R
October 2007
24
M9999-102507-A
(408) 944-0800
external 10k& resistor to V
STBY
or a local logic supply.
Each /PWRGD[A/B] output is asserted when a slot has
been enabled and has successfully begun delivering
power to its respective +12V, +3.3V, and VAUX outputs.
The /DLY_PWRGD[A/B] outputs are asserted 164ms
after its corresponding /PWRGD[A/B] output. An
equivalent logic diagram for /PWRGD[A/B] is shown in
Figure 8 with their corresponding state diagrams.
Figure 8. State Diagrams for /PWRGD[A/B] and
/DLY_PWRGD[A/B]
SYSPWRGD Digital Output
SYSPWRGD is an open-drain, asserted active-HIGH
digital output provided by the MIC2341 for additional slot
status information to the service or system processor.
This output is normally connected by an external 10k&
resistor to V
STBY
or a local logic supply. There is one
SYSPWRGD output for each MIC2341 and this signal
becomes activated after power-on-reset. This signal is
asserted unless at least one PCIe slot is occupied, either
ON[A/B] and/or AUXEN[A/B] of the slot in question is
asserted, either /FORCE_ON[A/B] inputs are not
asserted, and the output voltages at the load are lower
than respective Power-is-Good output threshold
voltages. Functionality of the SYSPWRGD output signal
has been designed to accommodate single- and dual-
slot applications as well as applications where the
MAIN[A/B] outputs are used, but the VAUX[A/B] outputs
are not. In multiple MIC2341 applications where one or
more PCIe slots are unused and one or multiple ON[A/B]
and AUXEN[A/B] input signals are not asserted, each
SYSPWRGD digital output will appear asserted
facilitating an OR-tying of all SYSPWRGD output
signals, thereby ensuring correct logic functionality
across the entire system. See Table 1 for the
SYSPWRGD truth table.
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| MIC2341-2YTQ TR | 功能描述:熱插拔功率分布 Dual -Slot PCI Express Hot-Plug Controller RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MIC2341R-2YTQ | 功能描述:熱插拔功率分布 Dual -Slot PCI Express Hot-Plug Controller RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MIC2341R-2YTQ TR | 功能描述:熱插拔功率分布 Dual -Slot PCI Express Hot-Plug Controller RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MIC2342-2YTQ | 功能描述:熱插拔功率分布 Dual -Slot PCI Express Hot-Plug Controller RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MIC2342-2YTQ TR | 功能描述:熱插拔功率分布 Dual -Slot PCI Express Hot-Plug Controller RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
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