44 1 44 TQFP § § § § § § § § § § § § § § 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) (0o C to +70o C) (-40°C to +85°C) (0o C to +70o C) (-40°C to +85°C) (0o C to +70oC) 1 of 75 REV: 08250.
§ § § § § 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 mo.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | DS21Q41B |
Dallas Semiconducotr |
Quad T1 Framer | |
2 | DS21Q42 |
Dallas Semiconducotr |
Enhanced QUAD T1 FRAMER | |
3 | DS21Q43A |
Dallas Semiconducotr |
Quad E1 Framer | |
4 | DS21Q44 |
Dallas Semiconducotr |
Enhanced QUAD E1 FRAMER | |
5 | DS21Q348 |
Maxim Integrated |
3.3V E1/T1/J1 Line Interface | |
6 | DS21Q348 |
Dallas Semiconducotr |
3.3V E1/T1/J1 Line Interface | |
7 | DS21Q352 |
Dallas Semiconducotr |
Quad T1/E1 Transceiver 5V | |
8 | DS21Q354 |
Dallas Semiconducotr |
Quad T1/E1 Transceiver 5V | |
9 | DS21Q50 |
Maxim Integrated Products |
Quad E1 Transceiver | |
10 | DS21Q552 |
Dallas Semiconducotr |
Quad T1/E1 Transceiver 5V | |
11 | DS21Q554 |
Dallas Semiconducotr |
Quad T1/E1 Transceiver 5V | |
12 | DS21Q58 |
Maxim Integrated Products |
Dallas Semiconductor |