ds2143qn-t-r Maxim Integrated Products, Inc., ds2143qn-t-r Datasheet - Page 38

• Manufacturer Part Number: ds2143qn-t-r
• Description: Ds2143, Ds2143q E1 Controller
• Manufacturer: Maxim Integrated Products, Inc.

AC CHARACTERISTICS - PARALLEL PORT
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,
Rise
Pulse Width AS or ALE High
Delay Time, AS or ALE to DS,
Output Data Delay Time from DS or
Data Setup Time
CS
CS
W
W
Setup Time Before DS,
Hold Time
Hold Time
Setup Time Before DS High
WR
or
RD
RD
RD
WR
High
to AS or ALE
Low
WR
or
RD
or
RD
RD
SYMBOL
38 of 44
PW
PW
PW
t
t
t
t
t
t
t
t
t
t
t
t
ASED
R
RWH
DHW
CYC
RWS
t
t
DHR
DDR
DSW
AHL
ASD
ASL
CH
CS
, t
ASH
EH
EL
F
MIN
250
150
100
10
50
20
10
20
10
25
40
20
20
80
0
0
(0 C to 70 C; V
TYP MAX UNITS
100
30
50
DD
= 5V + 10%)
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DS2143/DS2143Q
NOTES