DS21554LB+ Maxim Integrated Products, DS21554LB+ Datasheet - Page 21
DS21554LB+
Manufacturer Part Number
DS21554LB+
Description
IC TXRX E1 5V 100-LQFP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS2154LNA2.pdf
(124 pages)
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
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Signal Name:
Signal Description:
Signal Type:
In Intel Mode, RD determines when data is read from the device. In Motorola Mode, DS is used to write
to the device. See the Bus Timing Diagrams section.
Signal Name:
Signal Description:
Signal Type:
Must be low to read or write to the device. CS is an active-low signal.
Signal Name:
Signal Description:
Signal Type:
In nonmultiplexed bus operation (MUX = 0), serves as the upper address bit. In multiplexed bus
operation (MUX = 1), serves to demultiplex the bus on a positive-going edge.
Signal Name:
Signal Description:
Signal Type:
WR is an active-low signal.
RD (DS)
Read Input—Data Strobe
Input
CS
Chip Select
Input
ALE (AS)/A7
Address Latch Enable (Address Strobe) or A7
Input
WR (R/W)
Write Input (Read/Write)
Input
21 of 124
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