ST52T440F3M6 STMicroelectronics, ST52T440F3M6 Datasheet - Page 81

• Manufacturer Part Number: ST52T440F3M6
• Description: MCU 8-Bit ST52 CISC 8KB EPROM 5V 20-Pin SO
• Manufacturer: STMicroelectronics

Specifications of ST52T440F3M6

• Package: 20SO
• Family Name: ST52
• Maximum Speed: 20 MHz
• Ram Size: 256 Byte
• Program Memory Size: 8 KB
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Program Memory Type: EPROM
• Number Of Programmable I/os: 13
• On-chip Adc: 6-chx12-bit
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 1

Subject to general operating conditions for V
Table 11.11 Output Voltage Levels
Notes:
1. The I
(I/O ports and control pins) must not exceed I
2. The I
(I/O ports and control pins) must not exceed I
Figure 11.10 TTL-Level input Schmitt Trigger
Symbol
V
V
OH
OL
IO
IO
1)
2)
V (V)
o
sourced current must always respect the absolute maximum rating specified in Section 11.2 and the sum of I
current sunk must always respects the absolute maximum rating specified in Section 11.2 and the sum of I
5
4
3
2
1
0
Output low level voltage for standard I/O
Output high level voltage for standard I/
O pin when 8 pins are sourced at same
pin when 8 pins are sunk at same time.
0.5 0.8 1.0
V (V)
i
1.5
Parameter
2.0 2.5
time.
V = 5V
(TYPICAL)
T = 25°C
DD
A
VSS
VDD.
DD
, f
osc
, and T
V
V
Figure 11.11 Port B pins CMOS-level input
DD
DD
Conditions
=5V, I
=5V, I
A,
unless otherwise specified.
IO
IO
V (V)
o
=+8mA
=- 8mA
5
4
3
2
1
0
ST52T400/T440/E440/T441
2.0
V
Min
0.5
DD
V (V)
i
-
3.3
Typ
5.0
V = 5V
(TYPICAL)
T = 25°C
V
DD
A
Max
0.4
SS
+
81/94
Unit
V
IO
IO