DS21554LB+ Maxim Integrated Products, DS21554LB+ Datasheet - Page 112
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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20.
20.1.
AC CHARACTERISTICS—MULTIPLEXED PARALLEL PORT (MUX = 1)
(V
V
(See
Cycle Time
Pulse Width, DS Low or RD High
Pulse Width, DS High or RD Low
Input Rise/Fall Yimes
R/W Hold Time
R/W Setup Time before DS High
CS Setup Time before DS, WR, or RD
Active
CS Hold Time
Read Data Hold Time
Write Data Hold Time
Muxed Address Valid to AS or ALE Fall
Muxed Address Hold Time
Delay time DS, WR, or RD to AS or ALE
Rise
Pulse Width AS or ALE High
Delay time, AS or ALE to DS, WR, or RD
Output Data Delay Time from DS or RD
Data Setup Time
DD
DD
= 3.3V ± 5%, T
= 3.3V ± 5%, T
Figure 20-1
AC TIMING PARAMETERS AND DIAGRAMS
Multiplexed Bus AC Characteristics
PARAMETER
to
A
A
Figure
= -40°C to +85°C for DS21354LN; V
= 0°C to +70°C; for DS21354L; V
20-3.)
SYMBOL
PW
112 of 124
PW
PW
t
t
t
t
t
t
t
t
t
t
t
t
DD
ASED
R
DHW
RWH
t
DSW
CYC
RWS
t
DHR
AHL
DDR
ASD
ASL
CH
CS
, t
ASH
DD
= 5.0V ±5% , T
EH
EL
F
= 5.0V ±5% , T
MIN
200
100
100
10
50
20
10
15
10
20
30
10
20
50
0
0
A
= 0°C to +70°C for DS21554L;
A
TYP
= -40 ° C to +85 ° C for DS21554LN.)
MAX
20
50
80
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
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