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參數(shù)資料
| 型號(hào)： | SY58620LMGTR |
| 廠商： | MICREL INC |
| 元件分類(lèi)： | 通信及網(wǎng)絡(luò) |
| 英文描述： | Precision 4.25Gbps CML Backplane Transceiver with Integrated Loopback |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, QCC24 |
| 封裝： | 4 X 4 MM, LEAD FREE, MLF-24 |
| 文件頁(yè)數(shù)： | 4/18頁(yè) |
| 文件大?。?/td> | 662K |
| 代理商： | SY58620LMGTR |
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Micrel, Inc.
SY58620L
Pin Description
Inputs
September 2005
4
M9999-093005-B
hbwhelp@micrel.com
or (408) 955-1690
Pin Number
Pin Name
Pin Description
23
LOOPBACK
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
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
pull-down resistor and will
default to a LOW state if left open. V
TH
= V
CC
/2.
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
. Input
will default to an indeterminate state if RXIN inputs are 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
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
. Input will default to an
indeterminate state if TXIN inputs are 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 is obtained with 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.
11
TXVT
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.
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| SY58621L | 制造商:MICREL 制造商全稱(chēng):Micrel Semiconductor 功能描述:Precision 3.2Gbps CML/LVPECL Backplane Transceiver with Integrated Loopback |
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| SY58621LMG TR | 功能描述:總線(xiàn)收發(fā)器 4.25Gbps Transceiver w/ CML/LVPECL Outputs (I Temp, Green) RoHS:否 制造商:Fairchild Semiconductor 邏輯類(lèi)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(lèi)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(shí)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(chēng):Micrel Semiconductor 功能描述:Precision 3.2Gbps CML/LVPECL Backplane Transceiver with Integrated Loopback |
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