PTC PT6315 - Page 20

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VFD Driver/Controller IC PT6315
PT6315 v2.0 Page 20 Sep. 2002
ELECTRICAL CHARACTERISTICS
(Unless otherwise stated, V
DD
=3.3V, GND=0V, V
EE
=V
DD
-35 V, Ta=25
o
C)
Parameter Symbol Test Condition Min. Typ. Max. Unit
High-Level
Output Voltage
VOHLED
IOHLED=-6mA
LED1 to LED4
V
DD
-1 - - V
Low-Level
Output Voltage
VOLLED
IOLLED=+15mA
LED1 to LED4
- - 1 V
Low-Level
Output Voltage
VOLDOUT
D OUT,
IOLDOUT=4mA
- - 0.4 V
High-Level
Output Current
IOHSG
Vo=VDD-2V
SG1/KS1 to
SG16/KS16
-1.5 - - mA
High-Level
Output Current
IOHGR
Vo=VDD-2V
GR1 to GR8,
SG17/GR12 to
SG24/GR5
-6 - - mA
Oscillation
Frequency
fosc
R=100 Kohms
(see Note)
350 500 650 KHz
Schmitt-Trigger
Transfer Voltage
(+)
V T+
VDD=3.3V
(DIN, CLK, STB)
1.8 2.0 2.2 V
Schmitt-Trigger
Transfer Voltage
(-)
VT-
VDD=3.3V
(DIN, CLK, STB)
0.2 0.4 0.6 V
Hysteresis
Voltage
Vhys
VDD=3.3V
(DIN, CLK, STB)
1.0 1.6 - V
Input current I
I
V
I
= V
DD
or V
SS
- - ±1 uA
Dynamic Current
Consumption
I
DDdyn
Under no load
Display OFF
- - 3 mA
Note: The frequency value is for PTC test condition. fosc=224/T
If you want to know details data, please see page 13.