DS26521L+ Maxim Integrated Products, DS26521L+ Datasheet - Page 233

• Manufacturer Part Number: DS26521L+
• Description: IC TXRX T1/E1/J1 64-LQFP
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS26521L+

• Number Of Drivers/receivers: 1/1
• Protocol: T1/E1/J1
• Voltage - Supply: 3.135 V ~ 3.465 V
• Mounting Type: Surface Mount
• Package / Case: 64-LQFP
• Product: Framer
• Number Of Transceivers: 1
• Data Rate: 44.736 Mbps
• Supply Voltage (max): 3.465 V
• Supply Voltage (min): 3.135 V
• Supply Current (max): 220 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 10-21. E1 Transmit-Side 1.544MHz Boundary Timing (Elastic Store Enabled)
Figure 10-22. E1 Transmit-Side 2.048MHz Boundary Timing (Elastic Store Enabled)
TSYSCLK
TSYSCLK
TCHBLK
TCHBLK
TCHCLK
TSSYNC
TCHCLK
TSYNC
TSER
TSER
TSIG
1
1
2
NOTE 1: THE F-BIT POSITION IN THE TSER DATA IS IGNORED.
NOTE 2: TCHBLK IS PROGRAMMED TO BLOCK CHANNEL 24.
2
NOTE 1: TSYNC IN THE INPUT MODE (TIOCR.2 = 0).
NOTE 2: TCHBLK IS PROGRAMMED TO BLOCK CHANNEL 1.
CHANNEL 23
CHANNEL 31
A
CHANNEL 31
B
LSB MSB
C
LSB MSB
D
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CHANNEL 24
CHANNEL 32
A
CHANNEL 32
B
LSB
C
DS26521 Single T1/E1/J1 Transceiver
LSB MSB
F MSB
D
CHANNEL 1
CHANNEL 1
CHANNEL 1