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參數(shù)資料
| 型號(hào)： | SY89473UMG |
| 廠商： | Micrel Inc |
| 文件頁(yè)數(shù)： | 5/11頁(yè) |
| 文件大小： | 0K |
| 描述： | IC MUX LVPECL 2:1 PREC 24MLF |
| 標(biāo)準(zhǔn)包裝： | 75 |
| 系列： | SY89 |
| 類型： | 多路復(fù)用器 |
| 電路： | 1 x 2:1 |
| 獨(dú)立電路： | 1 |
| 電壓電源： | 單電源 |
| 電源電壓： | 3 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-VFQFN 裸露焊盤(pán)，24-MLF? |
| 供應(yīng)商設(shè)備封裝： | 24-MLF?（4x4） |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁(yè)面： | 1090 (CN2011-ZH PDF) |
| 其它名稱： | 576-1453 |
Micrel, Inc.
SY89473U
May 2007
3
M9999-052207-B
hbwhelp@micrel.com or (408) 955-1690
Pin Description
Pin Number
Pin Name
Pin Function
5, 2,
23, 20
IN0, /IN0
IN1, /IN1
Differential Inputs: These input pairs are the differential signal inputs to the device.
They accept AC or DC-coupled signals as small as 100mV (200mVPP). Note that
these inputs will default to an indeterminate state if left open. Each pin of a pair
internally terminates to a VT pin through 50. Please refer to the “Input Interface
Applications” section for more details.
3, 21
VREF-AC0,
VREF-AC1
Reference Voltage: These outputs bias to VCC -1.2V. They are used for AC-
coupling inputs IN and /IN. Connect VREF-AC directly to the corresponding VT pin.
Bypass with 0.01F low ESR capacitor to VCC. Maximum sink/source current is
±1.5mA. Due to the limited drive capability, the VREF-AC pin is only intended to
drive its respective VT pin. Please refer to the “Input Interface Applications” section
for more details.
4, 22
VT0, VT1
Input Termination Center-Tap: Each side of the differential input pair terminates to
a VT pin. The VT0 and VT1 pins provide a center-tap to a termination network for
maximum interface flexibility. Please refer to the “Input Interface Applications”
section for more details.
1, 6, 9, 10, 13,
19, 24
VCC
Positive Power Supply: Connect to +2.5V or +3.3V power supply. Bypass with
0.1F//0.01F low ESR capacitors as close to VCC pins as possible.
7, 8
11, 12
Q0, /Q0
Q1, /Q1
Differential Outputs: These differential LVPECL output pairs are a logic function of
the IN0, IN1, and SEL inputs. Please refer to the truth table below for details.
Unused output pairs can be left floating with no impact on jitter.
15
SEL
This single-ended TTL/CMOS-compatible input selects the inputs to the
multiplexer. Note that this input is internally connected to a 25k pull-up resistor
and will default to a logic HIGH state if left open. VTH = VCC/2. Please refer to the
“Timing Diagram” section for more details.
14, 17, 18
GND, Exposed
Pad
Ground: Ground pins and exposed pad must be connected to the same ground
plane.
Truth Table
INPUTS
OUTPUTS
IN0
/IN0
IN1
/IN1
SEL
Q
/Q
0
1
X
0
1
0
X
0
1
0
X
0
1
0
1
X
1
0
1
0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SY89473UMG TR | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 2.5/3.3V 2:1 LVPECL MUX w/ 1:2 Fanout (I Temp, Green) RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| SY89473UMGTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision LVPECL 2:1 Multiplexer with 1:2 |
| SY89474U | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision LVDS 2:1 Multiplexer with 1:2 |
| SY89474U_10 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision LVDS 2:1 Multiplexer with 1:2 |
| SY89474UMG | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 2.5/3.3V 2:1 LVDS MUX w/ 1:2 Fanout (I Temp, Green) RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
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