DS21554LB+ Maxim Integrated Products, DS21554LB+ Datasheet - Page 122
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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Figure 20-11. Transmit-Side AC Timing
TSER / TSIG /
TDATA
TCHCLK
TCHBLK
TSYNC
TSYNC
TCLK
TESO
TLCLK
Notes:
1. TSYNC is in the output mode (TCR1.0 = 1).
2. TSYNC is in the input mode (TCR1.0 = 0).
3. TSER is sampled on the falling edge of TCLK when the transmit side elastic store is disabled.
4. TCHCLK and TCHBLK are synchronous with TCLK when the transmit side elastic store is disabled.
5. TLINK is only sampled during Sa bit locations as defined in TCR2; no relationship between
TLINK
TLCLK/TLINK and TSYNC is implied.
1
2
5
t
R
t D2
t
D1
t D2
t
F t
D2
t
SU
t
SU
t D2
122 of 124
t SU
t
t
HD
HD
t HD
t
CL
t
CP
t
CH
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