st62t25c STMicroelectronics, st62t25c Datasheet - Page 51

• Manufacturer Part Number: st62t25c
• Description: 8-bit Otp/eprom Mcus With A/d Converter, Oscillator Safeguard, Safe Reset And 28 Pins
• Manufacturer: STMicroelectronics

DC ELECTRICAL CHARACTERISTICS (Cont’d)
(T
Note:
(*) All Peripherals in stand-by.
6.4 AC ELECTRICAL CHARACTERISTICS
(T
Notes:
1. Period for which V
2 An oscillator frequency above 1MHz is recommended for reliable A/D results.
3. Measure performed with OSCin pin soldered on PCB, with an around 2pF equivalent capacitance.
Symbol
Symbol
A
A
C
f
V
f
V
t
V
V
LFAO
I
= -40 to +85 C unless otherwise specified))
= -40 to +125 C unless otherwise specified)
REC
OSG
f
C
DD
OUT
OH
RC
OL
up
dn
IN
LVD Threshold in power-on
LVD threshold in powerdown
Low Level Output Voltage
All Output pins
Low Level Output Voltage
20 mA Sink I/O pins
High Level Output Voltage
All Output pins
Supply Current in STOP
Mode, with LVD disabled
Supply Recovery Time
Internal frequency with LFAO active
Internal Frequency with OSG
enabled
Internal frequency with RC oscillator
and OSG disabled
Input Capacitance
Output Capacitance
DD
has to be connected at 0V to allow internal Reset function at next power-up.
Parameter
2)
Parameter
2) 3)
(1)
(*)
V
V
V
V
V
V
V
V
V
I
V
LOAD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
= 5.0V; I
= 5.0V; I
= 5.0V; I
= 5.0V; I
= 5.0V; I
= 5.0V; I
= 5.0V; I
= 5.0V; I
= 5.0V; I
=5.0V
=0mA
Test Conditions
V
V
V
VDD=5.0V
R=47k
R=100k
R=470k
All Inputs Pins
All Outputs Pins
DD
DD
DD
OL
OL
OL
OL
OL
OL
OL
OH
OH
= 3V
= 3.6V
= 4.5V
= +10 A
= + 5mA
= + 10mAv
= +10 A
= +10mA
= +20mA
= +30mA
= -10 A
= -5.0mA
Test Conditions
V
dn
Min.
+50 mV
3.6
4.9
3.5
Min.
100
200
800
2.7
2
2
4
4
ST62T15C/T25C/E25C
Value
Typ.
4.1
3.8
Value
Typ.
400
850
3.2
5
V
up
Max.
4.3
-50 mV
0.1
0.8
1.2
0.1
0.8
1.3
2.0
10
Max.
f
800
900
OSC
5.8
3.5
10
10
Unit
MHz
MHz
MHz
Unit
kHz
kHz
V
V
V
V
ms
pF
pF
51/70
A
51