DS21554LB+ Maxim Integrated Products, DS21554LB+ Datasheet - Page 115
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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20.2.
AC CHARACTERISTICS—NONMULTIPLEXED PARALLEL PORT (MUX = 0)
(V
V
(See
Setup Time for A0 to A7, Valid to
CS Active
Setup Time for CS Active to Either
RD, WR, or DS Active
Delay Time from Either RD or DS
Active to Data Valid
Hold Time from Either RD, WR, or
DS Inactive to CS Inactive
Hold Time from CS Inactive to Data
Bus Tri-State
Wait Time from Either WR or DS
Active to Latch Data
Data Setup Time to Either WR or
DS Inactive
Data Hold Time from Either WR or
DS Inactive
Address Hold from Either WR or DS
Inactive
Figure 20-4. Intel Bus Read AC Timing (BTS = 0/MUX = 0)
DD
DD
= 3.3V ± 5%, T
= 3.3V ± 5%, T
Figure 20-4
A0–A7
D0–D7
Nonmultiplexed Bus AC Characteristics
WR
CS
RD
PARAMETER
to
A
A
Figure
= -40°C to +85°C for DS21354LN; V
= 0°C to +70°C; for DS21354L; V
20-7.)
0ns MIN
t1
0ns MIN
t2
SYMBOL
75ns MAX
t1
t2
t3
t4
t5
t6
t7
t8
t9
t3
ADDRESS VALID
115 of 124
DD
DD
= 5.0V ±5% , T
= 5.0V ±5% , T
MIN
5ns MIN/20ns MAX
75
10
10
10
0
0
0
5
TYP
DATA VALID
A
= 0°C to +70°C for DS21554L;
A
= -40 ° C to +85 ° C for DS21554LN.)
t4
MAX
75
20
0ns MIN
t5
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
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