st10f272z2 STMicroelectronics, st10f272z2 Datasheet - Page 166

• Manufacturer Part Number: st10f272z2
• Description: 16-bit Mcu With 256 Kbyte Flash Memory And 20 Kbyte Ram
• Manufacturer: STMicroelectronics

Electrical characteristics
25.8.16
Table 79.
166/189
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
22
23
25
27
38
Symbol
CC
CC
CC
CC
CC
CC
CC
CC
CC
SR
SR
SR
SR
SR
SR
CC
CC
CC
CC
CC
Multiplexed bus timings
Multiplexed bus
V
ALE cycle time = 6 TCL + 2t
ALE high time
Address setup to ALE
Address hold after ALE
ALE falling edge to RD, WR
(with RW-delay)
ALE falling edge to RD, WR
(no RW-delay)
Address float after RD, WR
(with
Address float after RD, WR
(no
RD, WR low time
(with RW-delay)
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
Data valid to WR
Data hold after WR
ALE rising edge after RD, WR
Address/Unlatched CS hold
after RD, WR
ALE falling edge to Latched CS
(no RW-delay)
(with RW-delay)
(no RW-delay)
DD
RW-delay)1
= 5 V ± 10%, V
RW-delay)1
Parameter
RD1
SS
= 0 V, T
A
– 8.5 + t
+ t
15.5 + t
A
1.5 + t
– 4 – t
28 + t
10 + t
15 + t
10 + t
4 + t
4 + t
4 + t
4 + t
min.
= –40 to +125 °C, CL = 50 pF,
C
F
–
–
–
–
–
–
0
–
TCL = 12.5 ns
+ t
CPU
A
A
A
F
C
C
F
F
A
A
C
F
A
= 40 MHz
(75 ns at 40 MHz CPU clock without wait states)
20 + 2t
18.5 + t
16.5 + t
+ t
10 – t
17.5 +
6 + t
max.
18.5
+ t
A
–
–
–
–
–
6
–
–
–
–
–
–
–
+ t
C
C
A
A
C
C
F
+
2TCL – 9.5 + t
3TCL – 9.5 + t
2TCL – 8.5 + t
2TCL – 15 + t
2TCL – 10 + t
2TCL – 15 + t
TCL – 8.5 + t
TCL – 8.5 + t
TCL – 8.5 + t
TCL – 11 + t
– 8.5 + t
– 4 – t
min.
1/2 TCL = 1 to 64 MHz
Variable CPU Clock
–
–
–
–
–
–
0
–
A
A
A
A
A
A
C
F
F
C
C
F
2TCL – 8.5 + t
2TCL – 19 + t
3TCL – 19 + t
3TCL – 20 +
4TCL – 30 +
+ 2t
TCL + 6
+ t
10 – t
max.
A
A
–
–
–
–
–
6
–
–
–
–
–
–
–
+ t
ST10F272Z2
+ t
A
C
C
C
C
F
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns