TS68HC901 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TS68HC901' PDF : 42 Pages View PDF
TS68HC901
AC ELECTRICAL CHARACTERISTICS - MULTIPLEXED BUS TIMING
(VCC=5.0V VDC±5%, VSS=0VDC, TA=0 to 70°C unless otherwise noted) See fi-
N°
Parameter
Min.
Max.
Unit
2
Cycle Time
800
ns
3
Pulse Width DS Low or RD/WR High
350
ns
4
Pulse Width DS High or RD/WR Low
340
ns
5
Pulse Width AS/ALE High
100
ns
6
Delay AS Fall to DS Rise or ALE Fall
30
ns
to RD/WR Fall
7
Delay DS or RD/WR Rise to AS/ALE Rise
30
ns
8
R/W Setup Time to DS
100
ns
9
R/W Hold Time to DS
10
ns
10
Address Setup Time to AS/ALE
20
ns
11
Address Hold Time to AS/ALE
20
ns
12
Data Setup Time to DS or WR (Write)
280
ns
13
Delay Data to DS or RD (Read)
250
ns
14
Data Hold Time to DS or WR (Write)
20
ns
15
Data Hold Time to DS or RD (Read)
0
100
ns
16
CE Setup Time to AS/ALE Fall
20
ns
17
CE Hold Time to DS, RD or WR
20
ns
Figure 31 : Multiplexed Bus Timing Motorola Type
38/42
®
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