ST52T440F3M6 STMicroelectronics, ST52T440F3M6 Datasheet - Page 77

• 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

11.6 Clock and Timing Characteristics
Operating Conditions: V
Table 11.8 General Timing Parameters
Figure 11.6 Data Input Timing
Symbol
t
WRESET
t
t
t
t
t
WINT
f
t
CLH
HLD
t
CLL
SET
t
osc
t
OR
OF
IR
IF
Clock
Data
Minimum Reset Pulse
Oscillator Frequency
Minimum External
Output Rise Time
t
Input Rise Time
50%
Input Fall Time
50%
CLL
t
Parameters
SET
Output Fall
Clock High
Clock Low
Setup
Hold
50%
t
DD
CLH
t
HLD
=5V 5%, TA=0/125 C, unless otherwise specified
t
CP
Test Condition
See Fig. 11.6
See Fig. 11.6
See Fig. 11.7
See Fig. 11.7
C
C
f
f
osc
osc
LOAD
LOAD
=20MHz
=20MHz
=10pF
=10pF
Figure 11.7 I/O Rise and Fall Timing
Min
100
100
25
25
1
ST52T400/T440/E440/T441
Typ.
10
10
5
5
Max
250
250
20
15
15
MHz
Unit
nS
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