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参数资料
| 型号： | MIC2341-2YTQ |
| 厂商： | Micrel Inc |
| 文件页数： | 8/32页 |
| 文件大小： | 1277K |
| 描述： | IC HOT PLUG CTLR DUAL PCI 48TQFP |
| 标准包装： | 250 |
| 类型： | 热交换控制器 |
| 应用： | 通用型，PCI Express? |
| 内部开关： | 无 |
| 电源电压： | 3.3V，12V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-TQFP |
| 供应商设备封装： | 48-TQFP（7x7） |
| 包装： | 管件 |
| 产品目录页面： | 1085 (CN2011-ZH PDF) |
| 其它名称： | 576-2995 |
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Micrel, Inc.
MIC2341/2341R
October 2007
8
M9999-102507-A
(408) 944-0800
Pin Description (cont.)
Pin Number
Pin Name
Pin Function
47
40
/DLY_PWRGDA
/DLY_PWRGDB
/DLY_PWRGD[A/B] are open-drain, asserted active-LOW digital outputs that are
normally connected by an external 10k& pull-up resistor (each) to VSTBY or to a
local logic supply. Each output signal is asserted approximately 164 ms after
their respective /PWRGD[A/B] output signals are asserted. The
/DLY_PWRGD[A/B] output signals are de-asserted when the /PWRGD[A/B]
outputs are de-asserted or upon a high-to-low transition on the ON[A/B] or
AUXEN[A/B] inputs. There is approximately a 1-ms delay between the de-
assertion of /DLY_PWRGD[A/B] and its corresponding /PWRGD[A/B] digital
outputs. Please consult the /PWRGD[A/B] and /DLY_PWRGD[A/B] state
diagrams within the Applications Information section for more detail.
46
SYSPWRGD
System Power is Good. SYSPWRGD is an open-drain, active-HIGH digital
output that is normally connected by an external 10k& pull-up resistor to VSTBY
or to a local logic supply. The SYSPWRGD output signal is asserted LOW when:
(1) /CRSW[A] is asserted, ON[A] is asserted, /FORCE_ON_A is HIGH, and
either MAIN 12V[A] or MAIN 3V[B] output is below its output Power-Good
threshold;
(2) /CRSW[B] is asserted, ON[B] is asserted, /FOCRE_ON_B is HIGH, and
either MAIN 12V[B] or MAIN 3V[B] output is below its output Power-Good
threshold;
(3) /CRSW[A] is asserted, AUXEN[A] is asserted, /FORCE_ON_A is HIGH, and
the VAUXA output is below its output Power-Good threshold; or
(4) /CRSW[B] is asserted, AUXEN[B] is asserted, /FORCE_ON_B is HIGH, and
VAUXB output is below its Power-Good threshold.
For all other conditions, the SYSPWRGD output is open-drain. For more
information with respect to the SYSPWRGD output signal, please consult the
Functional Description section.
38
/INT
Interrupt Output: This open-drain, asserted active-LOW digital output is normally
connected by an external 10k& resistor to VSTBY or a local logic supply. This
signal is asserted whenever a power fault is detected. Checking the status of
/FAULT_MAIN[A/B] or /FAULT_AUX[A/B] output will determine which slot and
which rail caused the interrupt. To de-assert this signal output, please follow
instructions provided on /FAULT_MAIN[A/B] and /FAULT_AUX[A/B] output pin
descriptions.
17
33
45
AGND
3 Pins, IC Ground Connections: Tie directly to the systems analog GND plane
directly at the device.
7
18
19
20
30
NC
Reserved: Make no external connections to these pins.
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| MIC2341-2YTQ TR | 功能描述:热插拔功率分布 Dual -Slot PCI Express Hot-Plug Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MIC2341R-2YTQ | 功能描述:热插拔功率分布 Dual -Slot PCI Express Hot-Plug Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MIC2341R-2YTQ TR | 功能描述:热插拔功率分布 Dual -Slot PCI Express Hot-Plug Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MIC2342-2YTQ | 功能描述:热插拔功率分布 Dual -Slot PCI Express Hot-Plug Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MIC2342-2YTQ TR | 功能描述:热插拔功率分布 Dual -Slot PCI Express Hot-Plug Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
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