DS21458-W+ Maxim Integrated, DS21458-W+ Datasheet - Page 256

• Manufacturer Part Number: DS21458-W+
• Description: Network Controller & Processor ICs
• Manufacturer: Maxim Integrated

Specifications of DS21458-W+

• Product: Framer
• Number Of Transceivers: 4
• Data Rate: 64 Kbps
• Supply Current (max): 328 mA
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: CSBGA
• Minimum Operating Temperature: 0 C
• Operating Supply Voltage: 3.3 V
• Supply Voltage - Max: 3.465 V
• Supply Voltage - Min: 3.135 V
• Part # Aliases: 90-21458+W00

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 269
MIN
75
10
10
10
0
0
0
5
DS21455/DS21458 Quad T1/E1/J1 Transceivers
TYP
Figure 38-4
MAX
75
20
to
UNITS
Figure
ns
ns
ns
ns
ns
ns
ns
ns
ns
38-7.)
NOTES