DS2196 Dallas Semiconducotr, DS2196 Datasheet - Page 142

• Manufacturer Part Number: DS2196
• Description: T1 Dual Framer LIU
• Manufacturer: Dallas Semiconducotr

AC CHARACTERISTICS – MULTIPLEXED PARALLEL PORT (MUX=1)
PARAMETER
Cycle Time
Pulse Width, DS low or
RD* high
Pulse Width, DS high or
RD* low
Input Rise/Fall times
R/W* Hold Time
R/W* Set Up time
before DS high
CS* Set Up time before
DS, WR* or RD* active
CS* Hold time
Read Data Hold time
Write Data Hold time
MUX’d Address valid
to AS or ALE fall
Muxed Address Hold
time
Delay time DS, WR* or
RD* to AS or ALE rise
Pulse Width AS or ALE
high
Delay time, AS or ALE
to DS, WR* or RD*
Output Data Delay time
from DS or RD*
Data Set Up time
(See Figures 22-1 to 22-3 for details)
SYMBOL
pw
pw
t
pw
t
t
t
t
t
t
t
t
t
t
R
t
ASED
DHW
RWH
t
DSW
CYC
RWS
t
DHR
DDR
AHL
ASD
ASL
CH
CS
, t
ASH
EH
EL
F
(-40ºC to +85ºC; V
(0ºC to +70ºC; V
MIN
200
100
100
10
50
20
10
15
10
20
30
10
20
50
0
0
142 of 157
TYP
20
50
DD
DD
= 3.135 to 3.465V for DS2196LN)
= 3.135 to 3.465V for DS2196L)
MAX
150
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
DS2196