ST52T440F3M6 STMicroelectronics, ST52T440F3M6 Datasheet - Page 74

• 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
11.3 Recommended Operating Condition
Operating condition: V
Table 11.4 Recommended Operating Conditions
Notes:
1. It is reccomendend to insert a capacitor beetwen V
2. A lower V
Figure 11.3 fosc Maximum Operating Frequency versus VDD supply (*)
(*) Only digital parts of the device: the Analog Comparator cannot work with supply voltage lower
than 4.5 V.
74/94
Symbol
f
comended values are 10 F (electrolytic or tantalum) and/or 100 nF (ceramic).
tested.
OSC
V
V
V
DD
V
SSA
PP
O
1)2)
2)
20
18
16
14
12
10
8
6
4
2
0
DD
0
Programming Voltage
Oscillator Frequency
decreasing f
Operating Supply
Analog Ground
Output Voltage
Functionality not guaranteed in this area
Parameter
0.5
DD
=5V 10%; T
osc
1
(see Figure 11.3). Data illustrated in the figure are characterized but not
1.5
A
=0/125 C (unless otherwise specified).
Refer to Figure 11.3
Test Condition
2
Vdd (V)
2.5
DD
3
and V
Functionality not guaranteed in this area
Functionality guaranteed in this area
SS
V
3.5
SS
Min.
11.4
V
2.7
1
SS
for improving noise rejection. Rec-
-0.3
4
Typ.
V
12
SS
4.5
V
SS
12.6
Max
V
5.5
5
20
DD
+0.3
5.5
MHz
Unit
V