DS21554LB+ Maxim Integrated Products, DS21554LB+ Datasheet - Page 121

• Manufacturer Part Number: DS21554LB+
• Description: IC TXRX E1 5V 100-LQFP
• Manufacturer: Maxim Integrated Products

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

20.4.
AC CHARACTERISTICS—TRANSMIT SIDE
(V
V
(See
TCLK Period
TCLK Pulse Width
TCLKI Period
TCLKI Pulse Width
TSYSCLK Period
TSYSCLK Pulse Width
TSYNC or TSSYNC Setup to TCLK
or TSYSCLK Falling
TSYNC or TSSYNC Pulse Width
TSER, TSIG, TDATA, TLINK,
TPOSI, TNEGI Setup to TCLK,
TSYSCLK, TCLKI Falling
TSER, TSIG, TDATA, TLINK,
TPOSI, TNEGI Hold from TCLK,
TSYSCLK, TCLKI Falling
TCLK, TCLKI, or TSYSCLK Rise
and Fall Times
Delay TCLKO to TPOSO, TNEGO
Valid
Delay TCLK to TESO Valid
Delay TCLK to TCHBLK, TCHCLK,
TSYNC, TLCLK
Delay TSYSCLK to TCHCLK,
TCHBLK, CO
CI Setup to TSYSCLK Rising
CI Pulse Width
Note 1: TSYSCLK = 1.544MHz.
Note 2: TSYSCLK = 2.048MHz.
Note 3: TSYSCLK = 4.096MHz.
Note 4: TSYSCLK = 8.192MHz.
DD
DD
= 3.3V ± 5%, T
= 3.3V ± 5%, T
Figure 20-11
Transmit AC Characteristics
PARAMETER
A
to
A
= -40°C to +85°C for DS21354LN; V
= 0°C to +70°C; for DS21354L; V
Figure
20-13.)
SYMBOL
t
R
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
WC
CH
PW
HD
DD
CL
LH
SH
SU
SU
CP
LP
LL
SP
SP
SP
SP
SL
D1
D2
D3
SC
, t
121 of 124
F
DD
DD
= 5.0V ±5% , T
= 5.0V ±5% , T
MIN
100
100
100
100
75
75
75
75
50
50
20
50
20
20
20
50
A
TYP
= 0°C to +70°C for DS21554L;
488
488
648
448
244
122
A
= -40 ° C to +85 ° C for DS21554LN.)
t
MAX
t
CH
SH
25
50
50
50
75
or
–5
–5
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
1
2
3
4