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參數(shù)資料
| 型號(hào)： | DS26334GN+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 44/121頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC INTERFACE LINE 16CH 256-CSBGA |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 40 |
| 類型： | 線路接口裝置（LIU） |
| 驅(qū)動(dòng)器/接收器數(shù)： | 16/16 |
| 規(guī)程： | IEEE 1149.1 |
| 電源電壓： | 3.135 V ~ 3.465 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 256-LBGA，CSBGA |
| 供應(yīng)商設(shè)備封裝： | 256-CSBGA（17x17） |
| 包裝： | 托盤 |
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DS26334 3.3V, 16-Channel, E1/T1/J1 Short/Long-Haul Line Interface Unit
29 of 121
5.5.6.1
ANSI T1.231 for T1 and J1 Modes
For short-haul mode, loss is detected if the received signal level is less than 200mV for duration of 192 bit periods.
LOS is reset if the all of the following criteria are met:
24 or more ones are detected in 192-bit period with a detection threshold of 300mV measured
at RTIP and RRING.
During the 192 bits less than 100 consecutive zeros are detected.
8 consecutive zeros are not detected if B8ZS is set.
For long-haul mode, loss is detected if the received signal level is less than 30mV for duration of 192 bit periods.
LOS is reset if the all of the following criteria are met:
24 or more ones are detected in 192-bit period with a detection threshold of 40mV measured
at RTIP and RRING.
During the 192 bits less than 100 consecutive zeros are detected.
8 consecutive zeros are not detected if B8ZS is set.
5.5.6.2
ITU-T G.775 for E1 Modes
For short-haul mode, LOS is detected if the received signal level is less than 200mV for a continuous duration of
192 bit periods. LOS is reset if the receive signal level is greater than 300mV for a duration of 192 bit periods.
For long-haul mode, LOS is detected if the received signal level is less than 12mV for a continuous duration of 192
bit periods. LOS is reset if the receive signal level is greater than 20mV for a duration of 192 bit periods.
5.5.6.3
ETS 300 233 for E1 Modes
For short-haul mode, LOS is detected if the received signal level is less than 200mV for a continuous duration of
2048 (1ms) bit periods. LOS is reset if the receive signal level is greater than 300mV for a duration of 192 bit
periods.
For long-haul mode, LOS is detected if the received signal level is less than 12mV for a continuous duration of 192
bit periods. LOS is reset if the receive signal level is greater than 20mV for a duration of 192 bit periods.
5.5.7
AIS
Table 5-8 outlines the DS26334 AIS related specifications. Table 5-9 states the AIS functionality in the DS26334.
The registers related to the AIS detection are shown in Table 5-10.
Table 5-8. AIS Criteria ANSI T1.231, ITU-T G.775, and ETS 300 233 Specifications
CRITERIA
STANDARD
ITU-T G.775 for E1
ETS 300 233 for E1
ANSI T1.231 for T1
AIS
Detection
Criteria
2 or fewer zeros in each of 2
consecutive 512-bit stream
received.
Fewer than 3 zeros detected in
512 bit period.
Fewer than 9 zeros detected in
a 8192-bit period (a ones
density of 99.9% over a period
of 5.3ms) are received.
AIS
Clearance
Criteria
3 or more zeros in each of 2
consecutive 512-bit streams
received.
3 or more zeros in 512 bits
received.
9 or more zeros detected in a
8192-bit period are received.
Table 5-9. AIS Detection and Reset Criteria for DS26334
CRITERIA
STANDARD
ITU-T G.775 for E1
ETS 300 233 for E1
ANSI T1.231 for T1
AIS
Detection
Criteria
2 or fewer zeros in each of 2
consecutive 512-bit streams
received.
Fewer than 3 zeros detected in
512-bit period.
Fewer than 9 zeros contained
in 8192 bits.
AIS
Clearance
Criteria
3 or more zeros in each of 2
consecutive 512-bit streams
received.
3 or more zeros in 512 bits
received.
9 or more bits received in a
8192-bit stream.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS26334GN+ | 功能描述:電信集成電路 3.3V E1/T1/J1 16Ch Short/Long Haul LIU RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray |
| DS26334GNA2 | 功能描述:電信集成電路 RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray |
| DS26334GNA2+ | 功能描述:電信集成電路 RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray |
| DS26334GNA3 | 功能描述:電信集成電路 3.3V E1/T1/J1 16Ch Short/Long Haul LIU RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray |
| DS26334GNA3+ | 功能描述:電信集成電路 3.3V E1/T1/J1 16Ch Short/Long Haul LIU RoHS:否 制造商:STMicroelectronics 類型:Telecom IC - Various 工作電源電壓:4.75 V to 5.25 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFP-100 封裝:Tray |
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