DS2151 Dallas Semiconducotr, DS2151 Datasheet - Page 45

• Manufacturer Part Number: DS2151
• Description: T1 Single-Chip Transceiver
• Manufacturer: Dallas Semiconducotr

AC CHARACTERISTICS
PARALLEL PORT
INTEL BUS READ AC TIMING
Cycle Time
Pulse Width, DS Low or
High
Pulse Width, DS High or
Low
Input Rise/Fall Times
R/
R/
High
Read Data Hold Time
Write Data Hold Time
Muxed Address Valid to AS
or ALE fall
Muxed Address Hold Time
Delay Time DS,
to AS or ALE 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
WR
CS
W
W
Setup Time before DS,
Hold Time
or
WR
Hold Time
Setup Time before DS
RD
PARAMETER
RD
or
active
RD
WR
or
RD
RD
RD
SYMBOL
PW
PW
PW
t
t
t
t
t
t
t
t
t
R
t
t
t
ASED
DHW
RWH
t
DSW
CYC
RWS
t
DHR
DDR
AHL
ASD
ASL
CH
CS
, t
ASH
EH
EL
F
45 of 51
MIN
250
150
100
10
50
20
10
20
10
25
40
20
20
80
0
0
TYP
(-40 C to +85 C for DS2151QN)
(0 C to 70 C; V
MAX
100
30
50
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DD
= 5V
NOTES
DS2151Q
5%)