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DS2148TN 参数 Datasheet PDF下载

DS2148TN图片预览
型号: DS2148TN
PDF下载: 下载PDF文件 查看货源
内容描述: 5V E1 / T1 / J1线路接口 [5V E1/T1/J1 Line Interface]
分类和应用: 数字传输接口电信集成电路电信电路PC
文件页数/大小: 75 页 / 536 K
品牌: DALLAS [ DALLAS SEMICONDUCTOR ]
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DS2148/DS21Q48
5V E1/T1/J1 Line Interface
www.maxim-ic.com
FEATURES
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Complete E1, T1, or J1 line interface unit
(LIU)
Supports both long- and short-haul trunks
Internal software-selectable receive-side
termination for 75Ω/100Ω/120W
5V power supply
32-bit or 128-bit crystal-less jitter attenuator
requires only a 2.048MHz master clock for
both E1 and T1 with option to use 1.544MHz
for T1
Generates the appropriate line build outs,
with and without return loss, for E1 and
DSX-1 and CSU line build outs for T1
AMI, HDB3, and B8ZS, encoding/decoding
16.384MHz, 8.192MHz, 4.096MHz, or
2.048MHz clock output synthesized to
recovered clock
Programmable monitor mode for receiver
Loopbacks and PRBS pattern generation/
detection with output for received errors
Generates/detects in-band loop codes, 1 to 16
bits including CSU loop codes
8-bit parallel or serial interface with optional
hardware mode
Multiplexed and nonmultiplexed parallel bus
supports Intel or Motorola
Detects/generates blue (AIS) alarms
NRZ/bipolar interface for TX/RX data I/O
Transmit open-circuit detection
Receive Carrier Loss (RCL) indication
(G.775)
High-Z State for TTIP and TRING
50mA (rms) current limiter
PIN DESCRIPTION
44
1
44 TQFP
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7mm
CABGA
ORDERING INFORMATION
Single-Channel Devices:
DS2148TN 44-Pin TQFP
DS2148T
44-Pin TQFP
DS2148GN 7mm CABGA
DS2148G
7mm CABGA
Four-Channel Devices:
DS21Q48N (Quad) BGA
DS21Q48
(Quad) BGA
(-40°C to +85°C)
(0
o
C to +70
o
C)
(-40°C to +85°C)
(0
o
C to +70
o
C)
(-40°C to +85°C)
(0
o
C to +70
o
C)
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REV: 082504