DS21554LB+ Maxim Integrated Products, DS21554LB+ Datasheet - Page 100

• 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

18.
18.1.
Figure 18-1. Receive-Side Timing
Figure 18-2. Receive-Side Boundary Timing (with Elastic Store Disabled)
RFSYNC
RSYNC
RSYNC
FRAM E#
RLCLK
RLINK
FUNCTIONAL TIMING DIAGRAMS
Receive
RCHBLK
NOTE 1: RSYNC IN FRAME MODE (RCR1.6 = 0).
NOTE 2: RSYNC IN MULTIFRAME MODE (RCR1.6 = 1).
NOTE 3: RLCLK IS PROGRAMMED TO OUTPUT JUST THE SA BITS.
NOTE 4: RLINK WILL ALWAYS OUTPUT ALL FIVE SA BITS AS WELL AS THE REST OF THE RECEIVE DATA STREAM.
NOTE 5: THIS DIAGRAM ASSUMES THE CAS MF BEGINS IN THE RAF FRAME.
RFSYNC
RCHCLK
RSYNC
RLINK
RLCLK
RSER
RCLK
RSIG
2
4
3
1
NOTE 1: RCHBLK IS PROGRAMMED TO BLOCK CHANNEL 1.
NOTE 2: RLCLK IS PROGRAMMED TO MARK THE SA4 BIT IN RLINK.
NOTE 3: SHOWN ISA RNAF FRAME BOUNDARY.
NOTE 4: RSIG NORMALLY CONTAINS THE CAS MULTIFRAME ALIGNMENT NIBBLE (0000) IN CHANNEL 1.
1
2
1
CHANNEL 32
CHANNEL 32
2
A
3
B
4
C
5
LSB
D
6
Si
1
7
100 of 124
A Sa4 Sa5 Sa6 Sa7 Sa8
8
Sa4 Sa5 Sa6 Sa7 Sa8
CHANNEL 1
CHANNEL 1
9
10 11 12 13 14 15 16 1
Note 4
MSB
CHANNEL 2
CHANNEL 2
A
B