ST72681 STMicroelectronics, ST72681 Datasheet - Page 24

• Manufacturer Part Number: ST72681
• Description: USB 2.0 HIGH-SPEED 8-BIT MCU FLASH DRIVE CONTROLLER
• Manufacturer: STMicroelectronics

Electrical characteristics
7.7
7.7.1
24/34
I/O port pin characteristics
General characteristics
Subject to general operating conditions for V
Table 20.
1. Hysteresis voltage between Schmitt trigger switching levels. Based on characterization results, not tested
2. The R
Figure 8.
Figure 9.
Symbol
V
R
I
in production.
characterization results, tested in production at V
V
V
L5V
I
hys
PU
L
IH
IL
PU
Input low level voltage
Input high level voltage
Schmitt trigger voltage hysteresis
Input leakage current
5V tolerant input leakage current
Weak pull-up equivalent resistor
pull-up equivalent resistor is based on a resistive transistor. This data is based on
General I/O port pin characteristics
Typical V
Typical R
Parameter
IL
PU
and V
vs. V
2.5
1.5
0.5
60
55
50
45
40
35
30
2
1
0
2.7
2.7
IH
DD33
2.8
standard I/Os
2.8
with V
2.9
2.9
I/Os pullup resistance
(2)
3
(1)
3
Vil/Vih (V)
DD33
3.1
IN
Vdd (V)
TTL ports
V
standard I/Os
V
V
V
3.1
DD33
Vdd (V)
=V
SS
SS
IN
IN
3.2
max.
= 5V, 25 °C
=
3.2
≤
≤
SS
Conditions
V
, f
V
V
3.3
SS
IN
IN
OSC
3.3
≤
≤
3.4
V
V
V
3.3 V
3.4
, and T
DD33
DD33
DD33
3.5
3.5
3.6
,
=
A
3.6
unless otherwise specified.
0.85 x
V
Min.
400
DD33
32
Typ.
30
50
0.16 x
V
Max.
DD33
10
75
1
ST72681
Unit
mV
kΩ
µA
V