ST72C334J4T6 STMicroelectronics, ST72C334J4T6 Datasheet - Page 129

• Manufacturer Part Number: ST72C334J4T6
• Description: MCU 8BIT FLASH SPI SCI 44TQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST72C334J4T6

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 3.2 V ~ 5.5 V
• Data Converters: A/D 6x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Processor Series: ST72C3x
• Core: ST7
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 4 bit
• Operating Supply Voltage: 3.2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: ST7C334-INDART, ST7MDT2-EPB2/US
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-4838

I/O PORT PIN CHARACTERISTICS (Cont’d)
16.8.2 Output Driving Current
Subject to general operating conditions for V
Figure 84. Typical V
Figure 85. Typical V
Notes:
1. The I
(I/O ports and control pins) must not exceed I
2. The I
I
IO
Vol [V] at Vdd=5V
2.5
1.5
0.5
Vol [V] at Vdd=5V
1.5
0.5
Symbol
V
V
2
1
0
2
1
0
(I/O ports and control pins) must not exceed I
OH
OL
1)
2)
Ta=-40°C
Ta=-40°C
0
0
Ta=25°C
Ta=25°C
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 standard I/O pin
when 8 pins are sunk at same time
(see
Output low level voltage for a high sink I/O pin
when 4 pins are sunk at same time
(see
Output high level voltage for an I/O pin
when 4 pins are sourced at same time
(see
5
2
Figure 84
Figure 85
Figure 86
Ta=125°C
Ta=125°C
Ta=85°C
Ta=85°C
10
OL
OL
4
Iio [mA]
Iio [mA]
and
and
and
at V
at V
15
Parameter
Figure
Figure
Figure
DD
DD
6
=5V (standard)
=5V (high-sink)
20
87)
88)
89)
8
25
VSS
VDD
.
DD
. True open drain I/O pins does not have V
10
30
, f
OSC
, and T
Figure 86. Typical V
Voh [V] at Vdd=5V
4
6
5
3
2
1
I
I
I
I
I
I
-8
IO
IO
IO
IO
IO
IO
A
Conditions
=+5mA T
=+2mA T
=+20mA, T
=+8mA T
=-5mA, T
=-2mA
ST72334J/N, ST72314J/N, ST72124J
unless otherwise specified.
T
T
T
T
T
T
T
-6
A
A
A
A
A
A
A
A
A
A
A
A
85°C
85°C
85°C
85°C
85°C
85°C
85°C
85°C
85°C
85°C
85°C
85°C
Section 16.2.2
OH
Iio [mA]
Section 16.2.2
V
V
V
V
at V
-4
DD
DD
DD
DD
Min
Ta=-40°C
Ta=25°C
-1.6
-1.7
-0.8
-1.0
OH
DD
.
=5V
and the sum of I
Max
0.65
0.75
0.75
0.85
1.3
1.5
1.5
1.7
-2
and the sum of
Ta=125°C
Ta=85°C
129/153
Unit
V
0
IO