st10f269z1 STMicroelectronics, st10f269z1 Datasheet - Page 160

• Manufacturer Part Number: st10f269z1
• Description: St10f269 16-bit Mcu With Mac Unit, 256k Byte Flash Memory And 12k Byte Ram
• Manufacturer: STMicroelectronics

21.4.11 - Demultiplexed Bus
V
= 50pF,
Table 48 : Demultiplexed Bus Characteristics (PQFP144 devices)
160/184
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Symbol
5
6
80
81
12
13
14
15
16
17
18
20
21
22
24
26
28
28h
38
39
DD
= 5V 10%, V
CC
CC
CC
CC
CC
CC
SR
SR
SR
SR
SR
SR
SR
CC
CC
CC
CC
CC
CC
SR
ALE high time
Address setup to ALE
Address/Unlatched CS setup to
RD, WR
(with RW-delay)
Address/Unlatched CS setup to
RD, WR
(no RW-delay)
RD, WR low time
RD, WR low time
RD to valid data in
RD to valid data in
ALE low to valid data in
Address/Unlatched CS to valid
data in
Data hold after RD
rising edge
Data float after RD rising edge
(with RW-delay)
Data float after RD rising edge
(no RW-delay)
Data valid to WR
Data hold after WR
ALE rising edge after RD, WR
Address/Unlatched CS hold
after RD, WR
Address/Unlatched CS hold
after WRH
ALE falling edge to Latched CS
Latched CS low to Valid Data In
(with RW-delay)
(no RW-delay)
(with RW-delay)
(no RW-delay)
SS
Parameter
= 0V, T
A
= -40 to +125°C, C
1 3
1 3
2
16.5 + 2t
Minimum
15.5 + t
0 (no t
Maximum CPU Clock
-10 + t
4 + 2t
28 + t
10 + t
(t
-5 + t
-5 + t
4 + t
2 + t
-4 - t
4 + t
F
–
–
–
–
0
–
–
–
> 0)
A
A
F
A
F
A
C
C
F
F
F
= 40MHz
C
L
)
A
18.5 + t
Maximum
22 + 2t
+ t
ALE cycle time = 4 TCL + 2t
40MHz CPU clock without wait states), PQFP144
devices.
18.5 + t
16.5 + t
6 + t
4 + t
6 - t
C
18.5
t
t
–
–
–
–
–
–
–
–
–
–
–
–
C
C
+ 2t
A
C
F
A
A
C
F
A
+
+
2 TCL - 8.5 + 2t
2 TCL - 9.5 + t
3 TCL - 9.5 + t
TCL - 10.5 + t
TCL - 8.5 + 2t
2 TCL - 15 + t
TCL - 8.5 + t
TCL - 8.5 + t
Minimum
0 (no t
-10 + t
(t
-5 + t
-5 + t
-4 - t
F
1/2 TCL = 1 to 40MHz
Variable CPU Clock
–
–
–
–
0
–
–
–
> 0)
A
F
F
F
F
)
A
F
C
A
A
C
C
A
2 TCL - 19 + t
3 TCL - 19 + t
A
2 TCL - 8.5
+ t
+ t
3 TCL - 19
4 TCL - 28
3 TCL - 19
Maximum
+ 2t
+ t
TCL - 8.5
+ t
+ t
F
F
6 - t
C
A
C
A
+ 2t
+ 2t
–
–
–
–
–
–
–
–
–
–
–
–
+ 2t
+ t
+ t
+ t
A
ST10F269
A
A
C
C
A
F
1
1
C
C
(50ns at
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns