ST52T440F3M6 STMicroelectronics, ST52T440F3M6 Datasheet - Page 80

• 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

ST52T400/T440/E440/T441
11.9 Port Pin Characteristics
11.9.1 General Characteristics.
Subject to general operating condition for V
Notes:
1. Unless otherwise specified, typical data is based on T
2. Hysteresis voltage between Schmitt trigger switching level. Based on characterization results, not
tested in production.
80/94
Symbol
V
V
V
I
I
hys
S
IH
L
IL
CMOS type high level input voltage.
Schmitt trigger voltage hysteresis
CMOS type low level input voltage.
TTL type Schmitt trigger high level
TTL type Schmitt trigger low level
input voltage. Port A and Port C
input voltage. Port A and Port C
Static current consumption
Port B pins. (See Fig 11.13)
Port B pins. (See Fig 11.13)
pins. (See Fig. 11.12)
pins. (See Fig. 11.12)
Input leakage current
Parameter
3)
DD
2)
, f
osc,
Floating input mode
and T
V
SS
Condition
A
V
=25 C and V
A ,
IN
unless otherwise specified.
V
DD
DD
Min
3.3
2.2
=5 V
Typ
1
1)
Max
200
1.5
0.8
1
Unit
V
A