DS21448A1 Maxim Integrated, DS21448A1 Datasheet - Page 51

• Manufacturer Part Number: DS21448A1
• Description: Network Controller & Processor ICs 3.3V E1/T1/J1 Quad Interface
• Manufacturer: Maxim Integrated

Specifications of DS21448A1

• Part # Aliases: 90-21448-0A1

Table 10-B. AC Characteristics—Nonmultiplexed Parallel Port (BIS0 = 1)
(V
Setup Time for A0 to A4, 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 10-4. Intel Bus Read Timing (PBTS = 0, BIS0 = 1)
DD
= 3.3V ±5%, T
A0–A4
D0–D7
WR
CS
RD
PARAMETER
A
= -40°C to +85°C.)
0ns (MIN)
t1
0ns (MIN)
(Figure
t2
SYMBOL
75ns (MAX)
10-4,
t1
t2
t3
t4
t5
t6
t7
t8
t9
t3
ADDRESS VALID
51 of 60
Figure
10-5,
CONDITIONS
5ns (MIN) / 20ns (MAX)
Figure
DATA VALID
10-6, and
t4
MIN
0ns (MIN)
Figure
5.0
75
10
10
10
0
0
0
t5
10-7)
TYP
MAX
75
20
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns