ST10F272M-4Q3 STMICROELECTRONICS [STMicroelectronics], ST10F272M-4Q3 Datasheet - Page 152

• Manufacturer Part Number: ST10F272M-4Q3
• Description: 16-bit MCU with 256 Kbyte Flash memory and 20 Kbyte RAM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Electrical characteristics
Table 70.
152/176
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Symbol
17
18
19
22
23
25
27
38
39
40
42
43
44
45
46
47
48
49
50
51
52
54
56
SR
SR
SR
CC Data valid to WR
CC Data hold after WR
CC ALE rising edge after RD, WR
CC
CC ALE falling edge to Latched CS
SR
CC Latched CS hold after RD, WR
CC
CC
CC
CC
SR
SR
CC
CC
CC Data valid to WrCS
SR
SR
CC
CC Data hold after WrCS
Address/Unlatched CS to valid
data in
Data hold after RD
rising edge
Data float after
Address/Unlatched CS hold
after RD, WR
Latched CS low to Valid Data In
ALE fall. edge to RdCS, WrCS
(with RW delay)
ALE fall. edge to RdCS, WrCS
(no RW delay)
Address float after RdCS, WrCS
(with RW
Address float after RdCS, WrCS
(no RW
RdCS to Valid Data In
(with RW delay)
RdCS to Valid Data In
(no RW delay)
RdCS, WrCS Low Time
(with RW delay)
RdCS, WrCS Low Time
(no RW delay)
Data hold after RdCS
Data float after
Address hold after
RdCS, WrCS
Multiplexed bus timings (continued)
delay)1
delay)1
Parameter
RdCS1
RD1
15.5 + t
-5.5 + t
– 4 – t
10 + t
28 + t
10 + t
15 + t
10 + t
27 + t
7 + t
4 + t
6 + t
6 + t
Min
–
0
–
–
–
–
–
–
0
–
f
TCL = 12.5ns
CPU
A
F
F
F
C
F
F
F
C
C
A
A
C
= 40 MHz
16.5 + t
20 + 2t
16.5 + t
16.5 + t
16.5 + t
10 – t
4 + t
+ 2t
Max
+ t
1.5
14
–
–
–
–
–
–
–
–
–
–
–
–
–
–
C
A
C
A
C
A
C
F
F
+
+
3TCL - 10.5 + t
2TCL – 8.5 + t
2TCL – 15 + t
2TCL - 9.5 + t
3TCL - 9.5 + t
2TCL – 10 + t
2TCL – 15 + t
2TCL - 15 + t
2TCL - 19 + t
2TCL - 19 + t
TCL - 5.5 + t
-5.5 + t
– 4 – t
Min
1/2 TCL = 1 to 40 MHz
–
–
0
–
–
–
–
–
0
–
Variable CPU clock
A
A
A
C
F
F
C
F
F
C
C
F
F
2TCL – 8.5 + t
2TCL - 8.5 + t
2TCL - 21 + t
3TCL - 21 + t
4TCL – 30 +
3TCL - 21 +
TCL + 1.5
+ 2t
+ t
10 – t
Max
C
1.5
A
–
–
–
–
–
–
–
–
–
–
–
–
–
–
+ 2t
+ t
ST10F272M
A
C
A
C
C
F
F
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns