DS2154 Dallas Semiconducotr, DS2154 Datasheet - Page 77

• Manufacturer Part Number: DS2154
• Description: Enhanced E1 Single Chip Transceiver
• Manufacturer: Dallas Semiconducotr

AC CHARACTERISTICS -
MULTIPLEXED PARALLEL
PORT (MUX=1)
See Figures 14-1 to 14-3 for details.
PARAMETER
Cycle Time
Pulse Width, DS low or
Pulse Width, DS high or
Input Rise/Fall times
R/
R/
active
Read Data Hold time
Write Data Hold time
Muxed Address valid to AS or ALE fall
Muxed Address Hold time
Delay time DS,
ALE rise
Pulse Width AS or ALE high
Delay time, AS or ALE to DS,
Output Data Delay time from DS or
Data Set Up time
CS
CS
RD
W
W
Hold Time
Set Up time before DS,
Hold Times
Set Up time before DS high
WR
or
RD
RD
RD
high
WR
low
to AS or
, or
WR
RD
RD
or
SYMBOL
PW
-40 C to +85 C; V
PW
PW
t
t
t
t
t
t
t
t
t
t
t
t
ASED
R
RWH
DHW
RWS
t
DSW
CYC
t
DHR
AHL
ASD
DDR
ASL
CH
CS
77 of 87
, t
ASH
EH
EL
F
(0 C to 70 C; V
MIN
200
100
100
10
50
20
10
15
10
20
30
10
20
50
0
0
TYP
DD
DD
=5V =5% for DS2154LN)
=5V =5% for DS2154L;
MAX
20
50
80
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
DS2154