ST52T440F3M6 STMicroelectronics, ST52T440F3M6 Datasheet - Page 78

• 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
11.7 Memory Characteristics
Subject to general operating conditions for V
Table 11.9 RAM and Registers
Table 11.10 EPROM Program Memory
Notes:
1. Minimum V
into hardware registers (only in HALT mode). Guaranteed by construction, not tested in production.
2. Data is provided only as a guideline.
78/94
W
Symbol
Symbol
t
ERASE
V
ERASE
t
RET
RM
DD
supply voltage without losing data stored into RAM (in HALT mode or under RESET) or
Data Retention
Data retention
Erase time
Parameter
Parameter
UV lamp
mode
1)
2)
from the device
window without
HALT mode (or
any interposed
placed 1 inch
Conditions
Conditions
wavelength
T
UV lamp is
A
RESET)
2537 A
Lamp
filters
=+55
DD
, f
C
osc
and T
A
Min.
Min.
1.6
, unless otherwise specified.
10
20
Typ.
Typ.
15
Max
Max
20
sec/cm
years
Watt,
Unit
min.
Unit
V
2)