DS21554LB+ Maxim Integrated Products, DS21554LB+ Datasheet - Page 87

• 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 15-6. Protected Interface Example for the DS21554
Receive
Transmit
Line
Line
Fuse
Fuse
Fuse
Fuse
NOTE 1: ALL CAPACITOR VALUES ARE IN mF.
NOTE 2: THE 10mF CAPACITOR ON TVDD IS OF TANTALUM CONSTRUCTION.
NOTE 3: THE 68mF CAPACITOR IS REQUIRED TO MAINTAIN V
COMPONENT
D1 TO D4
R1 TO R4
R1
R2
R3
R4
RTERM
FUSE
RT
C1
C2
X1
X2
S
N:1
X1
1:1
X2
SCHOTTKY DIODE, INTERNATIONAL RECTIFIER 11DQ04
0.1mF CERAMIC CAPACITOR IN PARALLEL WITH 10mF TANTALUM
CAPACITOR
0.47mF, NONPOLARIZED CERAMIC CONSTRUCTION
SEMTECH LC01-6, 6V LOW CAPACITANCE TVS
FOR MORE INFORMATION ON THE SELECTION OF THESE
COMPONENTS, REFER TO THE SEPARATE APPLICATION NOTES
ON SECONDARY OVERVOLTAGE PROTECTION AND T1/E1
NETWORK INTERFACE DESIGN AVAILABLE ON OUR WEBSITE AT
WWW.MAXIM-IC.COM/APPNOTEINDEX.
Rterm
S
Rt
Rt
0.1
C2
87 of 124
Rterm
D3
D1
470
470
+5V
C1
FUNCTION
D2
D4
TTIP
TRING
RTIP
RRING
DD
DURING A TRANSIENT EVENT.
DS21554
MCLK
DVDD
RVDD
DVSS
RVSS
TVDD
TVSS
0.01
0.1
0.1
2.048MHz
+
10
0.1
+5.0V
+
68