ST10F273Z4 STMicroelectronics, ST10F273Z4 Datasheet - Page 169

• Manufacturer Part Number: ST10F273Z4
• Description: 16-BIT MICROCONTROLLER WITH MAC UNIT, UP TO 832 KBYTES FLASH MEMORY AND UP TO 68 KBYTES RAM
• Manufacturer: STMicroelectronics

Specifications of ST10F273Z4

• Single Voltage Supply: 5 V ±10%

ST10F273Z4
24.8.18
CLKOUT and READY
V
Table 80.
1. These timings are given for characterization purposes only, in order to assure recognition at a specific
2. Demultiplexed bus is the worst case. For multiplexed bus 2TCL are to be added to the maximum values.
t
t
t
t
t
t
t
t
t
t
t
t
29
30
31
32
33
34
35
36
37
58
59
60
DD
Symbol
clock edge.
This adds even more time for deactivating READY. 2t
to the current bus cycle.
= 5V ± 10%, V
CC CLKOUT cycle time
CC CLKOUT high time
CC CLKOUT low time
CC CLKOUT rise time
CC CLKOUT fall time
CC
SR
SR
SR
SR
SR
SR
CLKOUT rising edge to
ALE falling edge
Synchronous READY
setup time to CLKOUT
Synchronous READY
hold time after CLKOUT
Asynchronous READY
low time
Asynchronous READY
setup time
Asynchronous READY
hold time
Async. READY hold time
after RD, WR high
(Demultiplexed bus)
CLKOUT and READY timings
Parameter
SS
(1)
(1)
= 0 V, T
(2)
A
= -40 °C to + 125 °C, CL = 50 pF
– 2 + t
Min.
25
10
17
35
17
9
–
–
2
2
0
F
TCL = 12.5 ns
CPU
A
A
= 40 MHz
and t
2t
A
8 + t
Max.
+ t
C
25
–
–
4
4
–
–
–
–
–
refer to the next following bus cycle, t
C
A
+ t
F
2TCL + 10
TCL – 3.5
TCL – 2.5
1/2 TCL = 1 to 64 MHz
– 2 + t
2TCL
Variable CPU clock
Min.
17
17
Electrical characteristics
–
–
2
2
0
A
2t
A
2TCL
8 + t
Max.
+ t
–
–
4
4
–
–
–
–
–
C
A
+ t
F
refers
F
169/188
ns