DS21455 Maxim Integrated Products, DS21455 Datasheet - Page 256

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DS21455

Manufacturer Part Number
DS21455
Description
Network Controller & Processor ICs Quad E1-T1-J1 Single -Chip Transceiver (S
Manufacturer
Maxim Integrated Products
Datasheets

Specifications of DS21455

Product
Framer
Number Of Transceivers
4
Data Rate
64 Kbps
Supply Voltage (max)
3.465 V
Supply Voltage (min)
3.135 V
Supply Current (max)
328 mA
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Package / Case
BGA

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38.2 Nonmultiplexed Bus AC Characteristics
AC CHARACTERISTICS–NONMULTIPLEXED PARALLEL PORT (MUX = 0)
(V
V
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
Activate 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
DD
DD
= 3.3V ±5%, T
= 3.3V ±5%, T
PARAMETER
A
A
= -40°C to +85°C for DS21455N/DS21458N.) (See
= 0°C to +70°C for DS21455/DS21458;
SYMBOL
t1
t2
t3
t4
t5
t6
t7
t8
t9
256 of 270
MIN
75
10
10
10
0
0
0
5
TYP
Figure 38-4
MAX
75
20
to
UNITS
Figure
ns
ns
ns
ns
ns
ns
ns
ns
ns
38-7.)
NOTES

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