ST72681 STMicroelectronics, ST72681 Datasheet - Page 25

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

ST72681
7.7.2
Figure 10. Two typical Applications with unused I/O Pin
Output driving current
Subject to general operating conditions for V
Table 21.
1. The I
2. The I
Figure 11. Typical V
Symbol
V
V
V
DD33
OH
characteristics
Current characteristics
drain I/O pins do not have V
OL
(1)
(2)
-
IO
IO
current sunk must always respect the absolute maximum rating specified in
current sourced must always respect the absolute maximum rating specified in
Output low level voltage for a D2 I/O pin when 8
pins are sunk at same time (see
Output low level voltage for a D4 I/O pin when 8
pins are sunk at same time (see
Output low level voltage for a D8 I/O pin when 8
pins are sunk at same time (see
Output high level voltage for a D2 I/O pin when 8
pins are sourced at same time (see
Output high level voltage for a D4 I/O pin when 8
pins are sourced at same time (see
Output high level voltage for a D8 I/O pin when 8
pins are sourced at same time (see
V
DD33
Output driving current
10kΩ
and the sum of I
UNUSED I/O PORT
and the sum of I
OL
OH
at V
Device
Parameter
.
IO
140
120
100
DD33
80
60
40
20
(I/O ports and control pins) must not exceed I
0
0
IO
= 3.3 V (I/O D2)
(I/O ports and control pins) must not exceed I
Vol I/Os D2 at Vdd=3.3V
1
Figure
Figure
Figure 13
Figure
Figure 15
Figure
Iol (mA)
DD33
2
11)
12)
, f
)
14)
16)
OSC
)
3
, and T
10kΩ
Conditions
I
I
I
I
I
I
IO
IO
IO
IO
IO
IO
4
10kΩ
= 2 mA
= 4 mA
= 8 mA
= 2 mA
= 4 mA
= 8 mA
A
UNUSED I/O PORT
unless otherwise specified.
Electrical characteristics
VSS
UNUSED I/O PORT
Device
.
Section 7.2.2: Current
Min.
Section 7.2.2:
VDD33
Device
. True open
Max.
300
400
500
600
600
600
Unit
25/34
mV
mV