DS21Q55 Maxim Integrated Products, DS21Q55 Datasheet - Page 163

• 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 22-5. E1 Transmit Pulse Template
Figure 22-6. T1 Transmit Pulse Template
-0.1
-0.2
-0.1
-0.2
-0.3
-0.4
-0.5
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
-500
-250
-400
T1.102/87, T1.403,
CB 119 (OCT. 79), AND
I.431 TEMPLATE
-200
-300
-150
-200
-100
-100
0
163 of 237
-50
TIME (ns)
TIME (ns)
100
194ns
219ns
0
200
50
MAXIMUM CURVE
-0.77
-0.39
-0.27
-0.27
-0.12
0.00
0.27
0.35
0.93
1.16
UI
300
100
Time Amp.
-500
-255
-175
-175
-75
0
175
225
600
750
400
0.05
0.05
0.80
1.15
1.15
1.05
1.05
-0.07
0.05
0.05
150
500
269ns
TEMPLATE
-0.77
-0.23
-0.23
-0.15
0.00
0.15
0.23
0.23
0.46
0.66
0.93
1.16
MINIMUM CURVE
G.703
UI
600
200
Time Amp.
-500
-150
-150
-100
0
100
150
150
300
430
600
750
700
-0.05
-0.05
0.50
0.95
0.95
0.90
0.50
-0.45
-0.45
-0.20
-0.05
-0.05
250