參數(shù)資料
型號(hào)： TLK2201AIRCPR
廠商： Texas Instruments, Inc.
英文描述： ETHERNET TRANSCEIVERS
中文描述： 以太網(wǎng)收發(fā)器
文件頁(yè)數(shù)： 4/21頁(yè)
文件大?。?/td> 343K
代理商： TLK2201AIRCPR
TLK2201A, TLK2201AI
ETHERNET TRANSCEIVERS
SLLS572
–
JUNE 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
detailed description (continued)
transmission latency
Data transmission latency is defined as the delay from the initial 10-bit word load to the serial transmission of
bit 9. The minimum latency in TBI mode is 19 bit times. The maximum latency in TBI mode is 20 bit times. The
minimum latency in DDR mode is 29 bit times, and maximum latency in DDR mode is 30 bit times.
10 Bit Code
TXP, TXN
TD(0
–
9)
REFCLK
td(Tx latency)
10 Bit Code
b9
Figure 1. Transmitter Latency Full Rate Mode
data reception
The receiver portion deserializes the differential serial data. The serial data is retimed based on an interpolated
clock generated from the reference clock. The serial data is then aligned to the 10-bit word boundaries and
presented to the protocol controller along with receive byte clocks (RBC0, RBC1).
receiver clock select mode
There are two modes of operation for the parallel busses. 1)The 10-bit (TBI) mode and 2) 5-bit (DDR) mode.
When in TBI mode, there are two user-selectable clock modes that are controlled by the RBCMODE terminal.
1) Full-rate clock on RBC0 and 2) Half-rate clocks on RBC0 and RBC1. When in the DDR mode, only a full-rate
clock is available on RBC0; refer to Table 1.
Table 1. Mode Selection
MODESEL
RBCMODE
MODE
FREQUENCY
(TLK2201A)
FREQUENCY
(TLK2201AI)
0
0
TBI half-rate
100
–
125 MHz
120
–
125 MHz
0
1
TBI full-rate
100
–
160 MHz
120
–
160 MHz
1
0
DDR
100
–
125 MHz
120
–
125 MHz
1
1
DDR
100
–
125 MHz
120
–
125 MHz
In the half-rate mode, two receive byte clocks (RBC0 and RBC1) are 180 degrees out of phase and operate
at one-half the data rate. The clocks are generated by dividing down the recovered clock. The received data
is output with respect to the two receive byte clocks (RBC0, RBC1) allowing a protocol device to clock the
parallel bytes using the RBC0 and RBC1 rising edges. The outputs to the protocol device, byte 0 of the received
data valid on the rising edge of RBC1. Refer to the timing diagram shown in Figure 2.
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參數(shù)描述
TLK2201AIRCPRG4 功能描述:以太網(wǎng) IC 1.0 to 1.6 Gbps Gb Ethernet Transceiver 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
TLK2201AJR 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.0Gb to 1.6Gb SMALL FORM-FACTOR ETHERNET TRANSCEIVER
TLK2201AJRGQE 功能描述:以太網(wǎng) IC 1.0 to 1.6 Gbps Ethernet Trnscvr 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
TLK2201AJRZQE 功能描述:以太網(wǎng) IC 1.0-1.6 Gbps Gigabit Ethernet Trncvr 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
TLK2201ARCP 功能描述:以太網(wǎng) IC 1.0 to 1.6 Gbps Gb Ethernet Transceiver 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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