STR750FXX STMICROELECTRONICS [STMicroelectronics], STR750FXX Datasheet - Page 44

• Manufacturer Part Number: STR750FXX
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Electrical parameters
5.3.5
44/81
Clock and timing characteristics
XT1 external Clock source
Subject to general operating conditions for V
Table 20.
1. Data based on typical application software.
2. Time measured between interrupt event and interrupt vector fetch. ∆t
3. Data based on design simulation and/or technology characteristics, not tested in production.
Symbol
t
t
w(XT1H)
w(XT1L)
V
V
t
t
r(XT1)
f(XT1)
needed to finish the current instruction execution.
f
XT1H
XT1L
XT1
I
L
External clock source
frequency
XT1 input pin high level
voltage
XT1 input pin low level
voltage
XT1 high or low time
XT1 rise or fall time
XTx Input leakage current
XT1 external Clock source
Parameter
(3)
(3)
see
V
V
Conditions
SS
DD_IO
STR750Fxx STR751Fxx STR752Fxx STR755Fxx
Figure 20
≤ V
DD_IO
IN
≤
(1) (2)
, and T
0.7xV
A
.
c(INST)
Min
V
6
SS
DD_IO
is the number of t
Typ
4
0.3xV
V
Max
DD_IO
CPU
60
±1
5
DD_IO
cycles
Unit
MHz
µA
ns
V