ST72F621J4B1 STMicroelectronics, ST72F621J4B1 Datasheet - Page 111

• Manufacturer Part Number: ST72F621J4B1
• Description: IC MCU 8BIT LS 16K 42-PDIP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST72F621J4B1

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI, USB
• Peripherals: DMA, LVD, POR, PWM, WDT
• Number Of I /o: 31
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 42-DIP (0.600", 15.24mm)
• Processor Series: ST72F6x
• Core: ST7
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: SCI, SPI, USB
• Maximum Clock Frequency: 12 MHz
• Number Of Programmable I/os: 31
• Number Of Timers: 2
• Operating Supply Voltage: 4 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: 0 C
• On-chip Adc: 10 bit
• For Use With: 497-5046 - KIT TOOL FOR ST7/UPSD/STR7 MCU
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: In Transition
• Other names: 497-2110-5

I/O PORT PIN CHARACTERISTICS (Cont’d)
12.8.2 Output Driving Current
Subject to general operating condition for V
Figure 64. Typ. V
Figure 65. Typ. V
Notes:
1. The I
O ports and control pins) must not exceed I
2. The I
(I/O ports and control pins) must not exceed I
Symbol
V
V
1.2
0.8
0.6
0.4
0.2
OH
OL
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1
0
0
1)
2)
IO
IO
0
0
current sourced must always respect the absolute maximum rating specified in
current sunk must always respect the absolute maximum rating specified in
2.5
Output low level voltage for a standard I/O pin
when up to 8 pins are sunk at same time
(see
Output low level voltage for a high sink I/O pin
when up to4 pins are sunk at same time
(see
Output high level voltage for an I/O pin
when up to 8 pins are sourced at same time
(see
1
5
Figure
Figure
Figure
2
7.5
OL
OL
3
at V
at V
64)
65)
66)
10
I
IO
4
12.5
(mA)
I
DD
DD
IO
Parameter
(mA)
=5V (std. port)
=5V (high-sink)
5
15
17.5
6
20
7
VSS
22.5
VDD
.
8
. True open drain I/O pins does not have V
DD
9
, f
CPU
Doc ID 6996 Rev 5
, and T
Figure 66. Typ. V
Figure 67. Typ. V
0.25
0.15
0.05
0.3
0.2
0.1
A
1.4
1.2
0.8
0.6
0.4
0.2
0
Conditions
1
0
unless otherwise specified.
-8
I
I
I
I
I
I
-7.5
IO
IO
IO
IO
IO
IO
-7
=+5mA
=+2mA
=+20mA
=+8mA
=-5mA
=-2mA
-6.5
-6
DD
DD
-5.5
Section 12.2
-V
-V
-5
Section 12.2
OH
OH
V
V
DD
DD
-4.5
Min
I
IO
OH
at V
at V
I
-2.0
-0.8
IO
(mA)
-4
.
(mA)
-3.5
DD
DD
and the sum of I
-3
=5V (std. port)
=5V (high-sink)
-2.5
Max
and the sum of I
1.3
0.4
1.3
0.4
-2
-1.5
-1
-0.5
111/139
Unit
V
IO
0
(I/
IO