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參數(shù)資料
| 型號(hào)： | SY89474UMG TR |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 5/11頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MUX 2:1 LVDS 1:2 FANOUT 24MLF |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 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，24-MLF? |
| 供應(yīng)商設(shè)備封裝： | 24-MLF?（4x4） |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | SY89474UMGTR SY89474UMGTR-ND |
Micrel, Inc.
SY89474U
August 2005
3
M9999-081105
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 undetermined 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 ±5% 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 LVDS 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 should be terminated with 100 across the outputs.
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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| SY89529LTH | 功能描述:IC SYNTHESIZER CLK 200MHZ 32TQFP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器，PLL，頻率合成器 系列:Precision Edge® 產(chǎn)品變化通告:Product Discontinuation 04/May/2011 標(biāo)準(zhǔn)包裝:96 系列:- 類型:時(shí)鐘倍頻器，零延遲緩沖器 PLL:帶旁路 輸入:LVTTL 輸出:LVTTL 電路數(shù):1 比率 - 輸入:輸出:1:8 差分 - 輸入:輸出:無/無 頻率 - 最大:133.3MHz 除法器/乘法器:是/無 電源電壓:3 V ~ 3.6 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:管件 其它名稱:23S08-5HPGG |
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