DS21554L+ Maxim Integrated Products, DS21554L+ Datasheet - Page 88
![IC TXRX E1 1-CHIP 5V 100-LQFP](/photos/6/82/68291/406-100-lqfp_sml.jpg)
DS21554L+
Manufacturer Part Number
DS21554L+
Description
IC TXRX E1 1-CHIP 5V 100-LQFP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS2154LNA2.pdf
(124 pages)
Specifications of DS21554L+
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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
- Current page: 88 of 124
- Download datasheet (945Kb)
Figure 15-7. Protected Interface Example for the DS21354
Transmit
Receive
Line
Line
COMPONENT
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
D1 TO D4
X1, X2
FUSE
C1
C2
S
2:1
1:1
X1
X2
SCHOTTKY DIODE, INTERNATIONAL RECTIFIER 11DQ04
0.1mF CERAMIC CAPACITOR IN PARALLEL WITH 10mF TANTALUM CAPACITOR
0.47mF, NONPOLARIZED CERAMIC CONSTRUCTION
1.25A SLO-BLO, LITTLEFUSE V2301.25
SEMTECH LC01-6, 6V LOW CAPACITANCE TVS
TRANSPOWER PT314, LOW DCR
37/60
S
C2
0.1
37/60
D3
D1
470
470
+3.3V
88 of 124
C1
D2
D4
FUNCTION
TTIP
TRING
RTIP
RRING
DS21354
DD
DURING A TRANSIENT EVENT.
MCLK
DVDD
RVDD
DVSS
RVSS
TVDD
TVSS
0.01
0.1
0.1
2.048MHz
+
10
0.1
+3.3V
+
68
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