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參數(shù)資料
| 型號(hào)： | DS26303LN-75+A3 |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 31/101頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC LIU E1/T1/J1 3.3V 144-ELQFP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 線路接口裝置（LIU） |
| 驅(qū)動(dòng)器/接收器數(shù)： | 8/8 |
| 規(guī)程： | T1/E1/J1 |
| 電源電壓： | 3.135 V ~ 3.465 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 144-LQFP 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 144-LQFP 裸露焊盤 |
| 包裝： | 托盤 |
| 其它名稱： | 90-26303+7N3 |
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DS26303: 3.3V, T1/E1/J1, Short-Haul, Octal Line Interface Unit
35 of 101
Register Name:
TST
Register Description:
Template Select Transceiver Register
Register Address:
10h
Bit #
7
6
5
4
3
2
1
0
Name
—
TST2
TST1
TST0
Default
0
Bits 2 to 0: TST Template Select Transceiver [2:0] (TST [2:0]).
TST[2:0] is used to select the transceiver that the
transmit template select register (hex 11) applies to. See Table 5-10.
Table 5-10. TST Template Select Transceiver Register
TST[2:0]
CHANNEL
TST[2:0]
CHANNEL
000
1
100
5
001
2
101
6
010
3
110
7
011
4
111
8
Register Name:
TS
Register Description:
Template Select Register
Register Address:
11h
Bit #
7
6
5
4
3
2
1
0
Name
RIMPOFF
TIMPOFF
—
TIMPRM
TS2
TS1
TS0
Default
0
—
0
Bit 7: Receive Impedance Match Off (RIMPOFF).
If this bit is set, all the receive impedance match is turned off.
Bit 6: Transmit Impedance Termination Off (TIMPOFF).
If this bit is set, all the internal transmit terminating
impedance is turned off.
Bit 3: Transmit Impedance Receive Match (TIMPRM).
This bit selects the internal transmit termination
impedance and receive impedance match for E1 mode and T1/J1 mode. Note: If the part number ends with –120,
then the default is 120
Ω and 75Ω when set for El mode only.
DEVICE
BIT SETTING
E1 MODE (
Ω)
T1 MODE (
Ω)
DS26303L-120
0
120
100
DS26303L-120
1
75
110
DS26303L-75
0
75
100
DS26303L-75
1
120
110
Bits 2 to 0: Template Selection [2:0] (TS[2:0]).
Bits TS[2:0] are used to select E1 or T1/J1 mode, the template,
and the settings for various cable lengths. The impedance termination for the transmitter and impedance match for
the receiver are specified by bit TIMPRM. See Table 5-11 for bit selection of TS[2:0].
Table 5-11. Template Selection
TS[2:0]
LINE LENGTH
CABLE LOSS
(dB)
IMPEDANCE (
Ω)1
OPERATION MODE
011
0–133ft. ABAM
0.6
100/110
T1/J1
100
133–266ft. ABAM
1.2
100/110
T1
101
266–399ft. ABAM
1.8
100/110
T1
110
399–533ft. ABAM
2.4
100/110
T1
111
533–655ft. ABAM
3.0
100/110
T1
000
G.703 coaxial and twisted pair cable
75/120
E1
001 and 010
Reserved
—
1
See TIMPRM bit in SWM or TIMPRM pin in HWM for transmit impedance and receive match selection.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS26303LN-XXX | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| DS26303LN-XXX+ | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| DS26303L-XXX | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| DS26303L-XXX+ | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| DS26-32.768-STD-020 | 制造商:Micro Crystal Switzerland 功能描述: |
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