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參數(shù)資料
| 型號： | FSUSB30BQX |
| 廠商： | Fairchild Semiconductor |
| 文件頁數(shù)： | 11/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC USB SWITCH 2X2 14DQFN |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 功能： | USB 開關(guān) |
| 電路： | 1 x 2:2 |
| 導(dǎo)通狀態(tài)電阻： | 7 歐姆 |
| 電壓電源： | 單電源 |
| 電壓 - 電源，單路/雙路(±)： | 3 V ~ 4.3 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 14-DQFN |
| 包裝： | 帶卷 (TR) |
Micrel, Inc.
SY55859L
January 2010
8
M9999-012110-A
hbwhelp@micrel.com or (408) 955-1690
Functional Characteristics
SY55859L is a dual cross point with excellent pin-to-pin
and part-to-part skew matching. As shown in table 1,
based on the logic value at TTL input SELA0, output
QA0 replicates either input DA0 or DA1. TTL input
SELA1 selects whether output QA1 replicates input DA0
or DA1. As shown in table 2, TTL inputs SELB0 and
SELB1 perform similarly for outputs QB0 and QB1
respectively, choosing between inputs DB0 or DB1.
If the two control inputs are tied together, SY55859L
behaves as a redundant distribution device. Depending
on the state of the combined control inputs, QA0 and
QA1 will both replicate either DA0 or DA1. If the two
control inputs are made the logical complement of each
other, the SY55859L functions as a crosspoint, either
sending DA0 to QA0 and DA1 to QA1, or sending DA0
to QA1 and DA1 to QA0. The same applies to channel
B.
SY85859L’s CML outputs are source terminated to 50
individually, 100 differentially. The CML inputs are
parallel terminated, also to 50. This improves signal
integrity. With all terminations on chip, high-speed
interfacing is greatly simplified, eliminating the need for
external termination passive components. Figures 1 and
2 show the input and output structures.
SELA0
SELA1
QA0
QA1
Function
0
DA0
Fanout Buffer
0
1
DA0
DA1
Dual Buffer
1
0
DA1
DA0
Dual Buffer
1
DA1
Fanout Buffer
CTL
Same
Redundant Distribution
CTL
/CTL
Opposite
Crosspoint
Table 1. Input to Output Connectivity, Crosspoint A
SELA0
SELA1
QA0
QA1
Function
0
DA0
Fanout Buffer
0
1
DA0
DA1
Dual Buffer
1
0
DA1
DA0
Dual Buffer
1
DA1
Fanout Buffer
CTL
Same
Redundant Distribution
CTL
/CTL
Opposite
Crosspoint
Table 2. Input to Output Connectivity, Crosspoint B
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FSUSB30BQX_12 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Low-Power, Two-Port, High-Speed USB 2.0 (480Mbps) Switch |
| FSUSB30L10X | 功能描述:電源開關(guān) IC - USB Low Pwr 2-Prt Hi-Spd USB2.0 480MbpS Swtch RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
| FSUSB30L10X_12 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Low-Power, Two-Port, High-Speed USB 2.0 (480Mbps) Switch |
| FSUSB30L10X_F113 | 制造商:Fairchild Semiconductor Corporation 功能描述:FSCFSUSB30L10X_F113 LOW POWER 2-PORT HI- |
| FSUSB30MUX | 功能描述:電源開關(guān) IC - USB L- Pwr 2-Port Hi-Spd USB (480 Mbps) Swtch RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
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