DS21554L+ Maxim Integrated Products, DS21554L+ Datasheet - Page 115

• Manufacturer Part Number: DS21554L+
• Description: IC TXRX E1 1-CHIP 5V 100-LQFP
• Manufacturer: Maxim Integrated Products

Specifications of DS21554L+

• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -

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