ePVP6800
VFD Controller
10 Absolute Operation Maximum Ratings
Absolute maximum ratings (Ta = 25°C, Vss = 0 V)
Parameter
Logic supply voltage
Symbol
VDD
VEE
VI
Ratings
Unit
V
-0.5 to + 6
Driver supply voltage
Logic input voltage
VDD +0.5 to VDD - 45
-0.5 to VDD +0.5
VEE -0.5 to VDD +0.5
+25
V
V
VFD driver output voltage
LED driver output current
VFD driver output current
VO
V
IO1
mA
mA
IO2
-40 (Grid)
-15 (Segment)
Operating ambient temperature
Storage temperature
Topt
Tstg
-40 to +85
°C
°C
-65 to +150
11 DC Electrical Characteristic
(Ta = -20 to +70°C, VDD = 4.5 to 5.5V, Vss = 0V, VEE = VDD - 45V)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Test conditions
Schmitt Trigger Negative
Going Threshold Voltage
VT-
1.5
1.8
2.1
GPIOC, GPO9, and /RESET
Schmitt Trigger Positive
Going Threshold Voltage
VT+
2.9
3.2
3.5
V
Pull Up Resister
RPU
VOH
VOL
IOH1
IOL1
IOH2
IOL2
50
0.8VDD
VSS
-2
75
-
100
VDD
0.2VDD
-5
KΩ
V
GPIOC, GPO9, /RESET @ VDD=5V
GPIOC
Digital Output Voltage High
Digital Output Voltage Low
Digital Output High Current
Digital Output Low Current
Digital Output High Current
Digital Output Low Current
-
V
-4
4
mA
mA
mA
mA
VOH=2.4V / GPIOC
VOL=0.4V / GPIOC
VOH=2.4V / GPIO9
VOL=0.4V / GPIO9
2
5
-15
15
-18
18
-25
25
Vo = VDD –2V,(VDD=5V)
SEG1/KS1 to SEG4/KS4,
SG5 to SG6
HV Output Current
IOH1
- 6
- 4
- 3
mA
mA
Vo = VDD –2V,(VDD=5V)
GR1 to GR9
HV Output Current
HV leakage current
IOH2
-15
-13
-11
GR10/SG8 to GR11/SG7
IHVLEAK
RL
5
8
10
uA
Vo = VDD –45V, driver off
Driver output (VEE= -25V)
HV Output pull-down
resistor
40
80
120
KΩ
Power down current
(SLEEP mode)
VDD =5V ,All input and I/O pin at
VDD, output pin floating, WDT
disabled
ISB1
-
1.5
µA
Crystal oscillation operating
36 of 47 11. 28.2004 (V1.23)
This specification is subject to change without further notice.
ELAN [ ELAN MICROELECTRONICS CORP ]
