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参数资料
| 型号： | DS2181AQN+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 27/32页 |
| 文件大小： | 0K |
| 描述： | IC TXRX CEPT PRIMARY RATE 44PLCC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 500 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | CEPT |
| 电源电压： | 4.5 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 44-LCC（J 形引线） |
| 供应商设备封装： | 44-PLCC（16.59x16.59） |
| 包装： | 带卷 (TR) |
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DS2181A
4 of 32
NOTES:
1. These output status pins are only available on the DS2181AQ.
2. If the TEST pin is tied low and CCR.1=0, then these pins will be tri–stated.
RECEIVE PIN DESCRIPTION (40-PIN DIP ONLY) Table 2B
PIN
SYMBOL
TYPE
DESCRIPTION
21
RRA
O
Receive Remote Alarm. Transitions high when alarm detected;
returns low when alarm cleared.
22
RMDA
O
Receive Distant Multiframe Alarm. Transitions high when alarm
detected; returns low when alarm cleared.
23
RAF
O
Receive Alignment Frame. High during frames containing the frame
alignment signal, low otherwise.
24
RCLK
I
Receive Clock. 2.048 MHz primary clock.
25
RCHCLK
O
Receive Channel Clock. 256 kHz clock, identifies timeslot
boundaries; useful for serial-to-parallel conversion of channel data.
26
RSER
O
Receive Channel Clock. 256 kHz clock, identifies timeslot
boundaries; useful for serial-to-parallel conversion of channel data.
27
RFSYNC
O
Receive Frame Sync. Trailing edge indicates start of frame.
28
RMSYNC
O
Receive Multiframe Sync. Low-high transition indicates start of
CAS multiframe; held high during frame 0.
29
RSD
O
Receive Signaling Data. Extracted timeslot 16 data; updated on
rising edge of RCLK.
30
RSTS
O
Receive Signaling Timeslot. High during timeslot 16 of every frame,
low otherwise.
31
RCSYNC
O
Receive CRC4 Sync. Low-high transition indicates start of CRC4
multiframe; held high during CRC4 frames 0 through 7 and held low
during frames 8 through 15.
33
RST
I
Reset. Must be asserted during device power-up and when changing
to/from the hardware mode.
34
35
RPOS
RNEG
I
Receive Bipolar Data. Sampled on falling edges of RCLK. Tie
together to receive NRZ data and disable BPV monitor circuitry.
36
RCL
O
Receive Carrier Loss. Low-high transition indicates loss of carrier.
37
RBV
O
Receive Bipolar Violation. Pulses high during detected bipolar
violations.
38
RFER
O
Receive Frame Error. Pulses high when frame alignment, CAS
multiframe alignment or CRC4 words received in error.
39
RLOS
O
Receive Loss of Sync. Indicates synchronizer status; high when
frame, CAS and/or CRC4 multiframe search underway, low
otherwise.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2182 | 功能描述:网络控制器与处理器 IC RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
| DS2182A | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:T1 Line Monitor |
| DS2182AQ | 制造商:未知厂家 制造商全称:未知厂家 功能描述:PCM， Other/Special/Miscellaneous |
| DS2182N | 功能描述:网络控制器与处理器 IC RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
| DS2182Q | 功能描述:网络控制器与处理器 IC RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
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