DS2148 データシートの表示（PDF） - Maxim Integrated
部品番号
コンポーネント説明
一致するリスト
DS2148 Datasheet PDF : 73 Pages
| |||
DS2148/DS21Q48
5V E1/T1/J1 Line Interface Unit
www.maxim-ic.com
FEATURES
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/120Ω
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
TOP VIEW
44
1
DS2148
44 TQFP
DS2148
49 CSBGA
(7mm x 7mm)
See Section 8 for 144-pin CSBGA pinout.
ORDERING INFORMATION
PART
CHANNEL
TEMP
RANGE
DS2148TN
Single -40°C to +85°C
DS2148TN+
Single -40°C to +85°C
DS2148T
Single
0°C to +70°C
DS2148T+
Single
0°C to +70°C
DS2148GN
Single -40°C to +85°C
DS2148GN
Single -40°C to +85°C
DS2148G
Single
0°C to +70°C
DS2148G+
Single
0°C to +70°C
DS21Q48N
Four
-40°C to +85°C
DS21Q48
Four
0°C to +70°C
+ Denotes lead-free/RoHS-compliant package.
PIN-
PACKAGE
44 TQFP
44 TQFP
44 TQFP
44 TQFP
49 CSBGA
49 CSBGA
49 CSBGA
49 CSBGA
144 CSBGA
144 CSBGA
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.
1 of 73
REV: 011206
Share Link: 