ST62T45B STMicroelectronics, ST62T45B Datasheet - Page 62

• Manufacturer Part Number: ST62T45B
• Description: 8-BIT OTP/EPROM MCU
• Manufacturer: STMicroelectronics

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61
ST62T45B/E45B
6.6 TIMER CHARACTERISTICS
(T
Note*: When available.
6.7 SPI CHARACTERISTICS
(T
6.8 LCD ELECTRICAL CHARACTERISTICS
(T
Notes :
1. The DC offset refers to all segment and common outputs. It is the difference between the measured voltage value and nominal valu e for
2. An external resistor network is required when VLCD is lower then 4.5V.
6.9 PSS ELECTRICAL CHARACTERISTICS (When available)
(T
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Symbol
Symbol
V
V
A
A
A
A
every voltage level.
Symbol
V
I
V
V
Symbol
PSS
LCD
PSS
OH
OL
os
= -40 to +85 C unless otherwise specified)
= -40 to +85 C unless otherwise specified)
= -40 to +85 C unless otherwise specified)
= -40 to +85 C unless otherwise specified
F
t
SU
t
f
t
CL
h
IN
W
Input Frequency on TIMER Pin*
Pulse Width at TIMER Pin*
COM High Level, Output Voltage
SEG High Level, Output Voltage
COM Low Level, Output Voltage
SEG Low Level, Output Voltage
PSS pin Input Voltage
PSS pin Input Current
DC Offset Voltage
Clock Frequency
Display Voltage
Set-up Time
Parameter
Parameter
Parameter
Hold Time
Parameter
V
V
V
V
Test Conditions
Test Condi tions
I=100 A, V
I=100 A, V
PSS
I=50 A, V
I=50 A, V
LCD
Applied on Scl
Applied on Sin
Test Conditions
Test Conditions
DD
DD
Applied onSin
PSS Running
PSS Stopped
See Note 2
=5.0V, T
= 3.0V
= Vdd, no load
4.5V
LCD
LCD
LCD
LCD
A
= 25 C
=5V
=5V
=5V
=5V
Min.
125
V
1
DD
Min.
Min.
Vss
4.5
Min.
-0.2
Value
Typ.
Value
Value
Value
Typ.
Typ.
Typ.
100
50
Max.
f
----- ---- -
INT
Max.
Max.
Max.
8
V
350
0.5
50
10
1
DD
1
MHz
Unit
ns
MHz
Unit
Unit
Unit
mV
ns
ns
s
V
V
A