參數(shù)資料
型號(hào)： DP83848YBX/NOPB
廠商： National Semiconductor
文件頁數(shù)： 7/86頁
文件大?。?/td> 0K
描述： IC TXRX ETHERNET PHYTERA 48-LQFP
產(chǎn)品培訓(xùn)模塊： PHYTER® Family
標(biāo)準(zhǔn)包裝： 1,000
類型： 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)： 1/1
規(guī)程： 以太網(wǎng)
電源電壓： 3 V ~ 3.6 V
安裝類型： 表面貼裝
封裝/外殼： 48-LQFP 裸露焊盤
供應(yīng)商設(shè)備封裝： 48-LQFP 裸露焊盤（7x7）
包裝： 帶卷 (TR)
其它名稱： DP83848YBX
www.national.com
14
D
P
83
84
8YB
1.8 10 Mb/s and 100 Mb/s PMD Interface
1.9 Special Connections
1.10 Power Supply Pins
Signal Name
Type
Pin #
Description
TD-, TD+
I/O
16, 17
Differential common driver transmit output (PMD Output Pair).
These differential outputs are automatically configured to either
10BASE-T or 100BASE-TX signaling.
In Auto-MDIX mode of operation, this pair can be used as the Re-
ceive Input pair.
These pins require 3.3V bias for operation.
RD-, RD+
I/O
13, 14
Differential receive input (PMD Input Pair). These differential in-
puts are automatically configured to accept either 100BASE-TX
or 10BASE-T signaling.
In Auto-MDIX mode of operation, this pair can be used as the
Transmit Output pair.
These pins require 3.3V bias for operation.
Signal Name
Type
Pin #
Description
RBIAS
I
24
Bias Resistor Connection. A 4.87 k
1% resistor should be con-
nected from RBIAS to GND.
PFBOUT
O
23
Power Feedback Output. Parallel caps, 10
F (Tantalum pre-
ferred) and 0.1
F, should be placed close to the PFBOUT. Con-
nect this pin to PFBIN1 (pin 18) and PFBIN2 (pin 37). See
Section 5.4 for proper placement pin.
PFBIN1
PFBIN2
I
18
37
Power Feedback Input. These pins are fed with power from
PFBOUT pin. A small capacitor of 0.1
F should be connected
close to each pin.
Note: Do not supply power to these pins other than from
PFBOUT.
RESERVED
I/O
20, 21
RESERVED: These pins must be pulled-up through 2.2 k
resis-
tors to AVDD33 supply.
Signal Name
Pin #
Description
IOVDD33
32, 48
I/O 3.3V Supply
IOGND
35, 47
I/O Ground
DGND
36
Digital Ground
AVDD33
22
Analog 3.3V Supply
AGND
15, 19
Analog Ground
GNDPAD
49
Ground PAD
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DP83849CVS 制造商:Texas Instruments 功能描述:TRANSCEIVER, ENET PHYTER, DUAL, 80TQFP 制造商:Texas Instruments 功能描述:TRANSCEIVER, ENET PHYTER, DUAL, 80TQFP; Data Rate:100Mbps; Ethernet Type:IEEE 802.3u; Supply Voltage Min:3V; Supply Voltage Max:3.6V; Digital IC Case Style:TQFP; No. of Pins:80; Interface Type:MII, RMII, Serial; Operating Temperature;RoHS Compliant: Yes
DP83849CVS/NOPB 功能描述:以太網(wǎng) IC RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray
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