DS2148 Dallas Semiconducotr, DS2148 Datasheet - Page 66

• Manufacturer Part Number: DS2148
• Description: 5V E1/T1/J1 Line Interface
• Manufacturer: Dallas Semiconducotr

AC CHARACTERISTICS—NONMULTIPLEXED PARALLEL PORT
(BIS1 = 0, BIS0 = 1)
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 3-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
See Figure 12-4, Figure 12-5, Figure 12-6, and Figure 12-7
PARAMETER
SYMBOL
t1
t2
t3
t4
t5
t6
t7
t8
t9
MIN
66 of 75
75
10
10
10
0
0
0
5
(-40°C to +85°C; V
TYP
MAX
75
20
UNITS
DD
ns
ns
ns
ns
ns
ns
ns
ns
ns
= 5.0V ± 5%)
NOTES