参数资料
型号: DS21Q48N
厂商: Maxim Integrated Products
文件页数: 1/73页
文件大小: 0K
描述: IC LIU E1/T1/J1 4X 5V LONG144BGA
标准包装: 90
类型: 线路接口装置(LIU)
规程: E1
电源电压: 4.75 V ~ 5.25 V
安装类型: 表面贴装
封装/外壳: 144-BBGA
供应商设备封装: 144-PBGA(17x17)
包装: 管件
1 of 73
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.
FEATURES
Complete E1, T1, or J1 Line Interface Unit
(LIU)
Supports Both Long- and Short-Haul Trunks
Internal Software-Selectable Receive-Side
Termination for 75/100/120
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 CONFIGURATION
ORDERING INFORMATION
PART
CHANNEL
TEMP
RANGE
PIN-
PACKAGE
DS2148TN
Single
-40
°C to +85°C
44 TQFP
DS2148TN+
Single
-40
°C to +85°C
44 TQFP
DS2148T
Single
0
°C to +70°C
44 TQFP
DS2148T+
Single
0
°C to +70°C
44 TQFP
DS2148GN
Single
-40
°C to +85°C
49 CSBGA
DS2148GN
Single
-40
°C to +85°C
49 CSBGA
DS2148G
Single
0
°C to +70°C
49 CSBGA
DS2148G+
Single
0
°C to +70°C
49 CSBGA
DS21Q48N
Four
-40
°C to +85°C
144 CSBGA
DS21Q48
Four
0
°C to +70°C
144 CSBGA
+ Denotes lead-free/RoHS-compliant package.
DS2148/DS21Q48
5V E1/T1/J1 Line Interface Unit
www.maxim-ic.com
DS2148
49 CSBGA
(7mm x 7mm)
44 TQFP
1
44
DS2148
TOP VIEW
See Section 8 for 144-pin CSBGA pinout.
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