DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 165

• Manufacturer Part Number: DS21Q55
• Description: IC TXRX QUAD T1/E1/J1 SCT 256BGA
• Manufacturer: Maxim Integrated Products

Specifications of DS21Q55

• Function: Transceiver
• Interface: E1, J1, T1
• Number Of Circuits: 4
• Voltage - Supply: 3.14 V ~ 3.47 V
• Current - Supply: 75mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 256-BGA
• Includes: BERT Generator and Detector, Dual HDLC Controllers
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power (watts): -

Figure 22-9. Jitter Attenuation (T1 Mode)
Figure 22-10. Jitter Attenuation (E1 Mode)
-20dB
-40dB
-60dB
-20dB
-40dB
-60dB
0dB
0dB
1
1
E1 MODE
DS21Q55
10
10
Prohibited
TBR12
Area
100
FREQUENCY (Hz)
100
FREQUENCY (Hz)
DS21Q55
T1 MODE
165 of 237
1K
1K
Prohibited Area
ITU G.7XX
TR 62411 (Dec. 90)
Prohibited Area
10K
10K
100K
100K