DS21554LB+ Maxim Integrated Products, DS21554LB+ Datasheet - Page 29

• 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

Note 1:
Note 2:
ADDRESS
BA
BB
BC
BD
BE
BF
B5
B6
B7
B8
B9
Test Registers are used only by the factory. These registers must be cleared (set to all zeros) on power-up initialization to ensure
proper operation.
Register banks Cxh, Dxh, Exh, and Fxh are not accessible.
TYPE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
—
—
—
—
Interleave Bus Operation Register
Transmit HDLC Information Register
Transmit HDLC FIFO Register
Receive HDLC DS0 Control Register 1
Receive HDLC DS0 Control Register 2
Transmit HDLC DS0 Control Register 1
Transmit HDLC DS0 Control Register 2
Not used
Not used
Not used
Not used
REGISTER
29 of 124
(set to 00h)
(set to 00h)
(set to 00h)
(set to 00h)
NAME
THFR
RDC1
RDC2
TDC1
TDC2
THIR
IBO