DS21554LB+ Maxim Integrated Products, DS21554LB+ Datasheet - Page 105

• Manufacturer Part Number: DS21554LB+
• Description: IC TXRX E1 5V 100-LQFP
• Manufacturer: Maxim Integrated Products

Specifications of DS21554LB+

• Function: Single-Chip Transceiver
• Interface: E1, HDLC, J1, T1
• Number Of Circuits: 1
• Voltage - Supply: 4.75 V ~ 5.25 V
• Current - Supply: 75mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Includes: Remote and AIS Alarm Detector / Generator
• Product: Framer
• Number Of Transceivers: 1
• Data Rate: 1.544 Mbps
• Supply Voltage (max): 5.25 V
• Supply Voltage (min): 4.75 V
• Supply Current (max): 75 mA (Typ)
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Ic Interface Type: Parallel, Serial
• Supply Voltage Range: 4.75V To 5.25V
• Operating Temperature Range: 0°C To +70°C
• Digital Ic Case Style: LQFP
• No. Of Pins: 100
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Figure 18-9. Transmit-Side 1.544MHz Boundary Timing (with Elastic Store Enabled)
Figure 18-10. Transmit-Side 2.048MHz Boundary Timing (with Elastic Store Enabled)
TSYSCLK
TCHBLK
TCHBLK
TSYSCLK
TCHCLK
TCHCLK
TSSYNC
TSSYNC
TSER
TSER
TSIG
1
1
2
NOTE 1: TCHBLK IS PROGRAMMED TO BLOCK CHANNEL 31.
CHANNEL 23
NOTE 1: THE F-BIT POSITION IN THE TSER DATA IS IGNORED.
NOTE 2: TCHBLK IS PROGRAMMED TO BLOCK CHANNEL 24.
CHANNEL 31
CHANNEL 31
A
B
C
LSB MSB
LSB MSB
D
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CHANNEL 24
CHANNEL 32
CHANNEL 32
A
B
C
LSB
LSB
D
F MSB
MSB
CHANNEL 1
CHANNEL 1
CHANNEL 1
A