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參數(shù)資料
| 型號： | SY58621L |
| 廠商： | Micrel Semiconductor,Inc. |
| 英文描述： | Precision 3.2Gbps CML/LVPECL Backplane Transceiver with Integrated Loopback |
| 中文描述： | 精密達(dá)3.2Gbps CML / LVPECL信號背板收發(fā)器集成環(huán)回 |
| 文件頁數(shù)： | 4/19頁 |
| 文件大?。?/td> | 308K |
| 代理商： | SY58621L |
Micrel, Inc.
SY58621L
January 2006
4
M9999-012006-B
hbwhelp@micrel.com
or (408) 955-1690
Pin Description
Inputs
Pin Number
Pin Name
Pin Description
LOOPBACK Mode Control. TTL/CMOS control input. LOOPBACK is an active HIGH signal
used to control the LOOPBACK MUX. LOOPBACK is internally connected to a 25k
Ω
pull-
down resistor and will default to a LOW state if left open. V
TH
= V
CC
/2.
Receiver Output Control. TTL/CMOS control input. /RXEN is an active LOW signal used to
enable the receiver outputs. /RXEN is internally connected to a 25k
Ω
pull-down resistor and will
default to a LOW state if left open. V
TH
= V
CC
/2.
23
LOOPBACK
20
/RXEN
1, 2
RXIN, /RXIN
Receiver Differential Input. Input accepts AC differential signals as small as 10mV (20mV
PP
).
Each pin internally terminates to V
CC_RXIN
-1.3V (internal voltage reference) through 50
Ω
. Input
will default to an indeterminate state if left open. See figure 6b.
7
/TXEN
Transmitter Output Control. TTL/CMOS control input. /TXEN is an active LOW signal used to
enable the transmitter output. /TXEN is internally connected to a 25k
Ω
pull-down resistor and
will default to a LOW state if left open. V
TH
= V
CC
/2.
14, 13
TXIN, /TXIN
Transmitter Differential Input. Input accepts AC- or DC-coupled differential signals as small as
100mV (200mV
PP
). Each pin terminates to the TXVT
pin through 50
Ω
. Note that this input will
default to an indeterminate state if left open. See figure 6a.
9
TXVCTRL
Transmitter Output Swing Control. Input that controls the output amplitude of the transmitter.
The operating range of the control input is from V
REF_CTRL
(max swing) to V
CC
(min swing).
Control of the output swing can be obtained by using a variable resistor between V
REF_CTRL
and
V
CC_TXQ
through a wiper driving TXVCTRL. Setting TXVCTRL to V
CC_TXQ
sets the output swing
to min swing. Refer to the “Interface Applications” and “Output Stage” sections for more
details.
Input Termination Center-Tap. Each side of the transmitter differential input pair terminates to
the TXVT
pin. The TXVT
pin provides a center-tap to a termination network for maximum
interface flexibility. Refer to the “Input Stage” section for more details.
11
TXVT
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相關(guān)代理商/技術(shù)參數(shù) |
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| SY58621L_10 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision 3.2Gbps CML/LVPECL Backplane |
| SY58621LMG | 功能描述:總線收發(fā)器 4.25Gbps Transceiver w/ CML/LVPECL Outputs (I Temp, Green) RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| SY58621LMG TR | 功能描述:總線收發(fā)器 4.25Gbps Transceiver w/ CML/LVPECL Outputs (I Temp, Green) RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| SY58621LMGTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision 3.2Gbps CML/LVPECL Backplane Transceiver with Integrated Loopback |
| SY58626L | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:DC-to-6.4Gbps Backplane Transmit Buffer with |
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