DS21348 Просмотр технического описания (PDF) - Dallas Semiconductor -> Maxim Integrated
Номер в каталоге
Компоненты Описание
производитель
DS21348 Datasheet PDF : 73 Pages
| |||
12. AC CHARACTERISTICS
DS21348/Q348
AC CHARACTERISTICS—MULTIPLEXED PARALLEL PORT
(BIS1 = 0, BIS0 = 0)
PARAMETER
SYMBOL MIN
Cycle Time
tCYC
200
Pulse Width, DS Low or PWEL
100
RD* High
Pulse Width, DS High
PWEH
100
or RD* Low
Input Rise/Fall Times
tR , tF
R/W* Hold Time
tRWH
10
R/W* Setup Time
Before DS High
tRWS
50
CS* Setup Time Before
tCS
20
DS, WR* or RD*
Active
CS* Hold Time
tCH
0
Read Data Hold Time
tDHR
10
Write Data Hold Time
tDHW
0
Muxed Address Valid to tASL
15
AS or ALE Fall
Muxed Address Hold
tAHL
10
Time
Delay Time DS, WR*
tASD
20
or RD* to AS or ALE
Rise
Pulse Width AS or ALE PWASH
30
High
Delay Time, AS or ALE tASED
10
to DS, WR* or RD*
Output Data Delay
tDDR
20
Time from DS or RD*
Data Setup Time
tDSW
50
See Figure 12-1, Figure 12-2, Figure 12-3
(-40°C to +85°C; VDD = 3.3V ± 5%;
-40°C to +85°C; VDD = 5.0V ± 5%)
TYP
MAX
UNITS NOTES
ns
ns
ns
20
ns
ns
ns
ns
ns
50
ns
ns
ns
ns
ns
ns
ns
80
ns
ns
61 of 73
Share Link: 