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FS450, FS451
PRELIMINARY PRODUCT DESCRIPTION
JUNE, 2000, VERSION 1.2
56
COPYRIGHT
©
© 1999, 2000 FOCUS ENHANCEMENTS, INC.
PRELIMINARY INFORM ATION
8.2 Electrical Characteristics
Parameter
Conditions
Min
Typ
Max
Unit
Power Supply Currents
IDD3
3.3 volt Digital current
VGA Core
Clock=50MHz
165
mA
IDDDA
3.3 volt Analog current
RL=37.5
Ω
85
105
mA
IDDDA
3.3 volt Analog DAC current
RL=75
Ω
45
mA
IDDOSC
3.3 volt Crystal Oscillator current
15
IDDDPA
3.3 volt VGA PLL current
5
IDDT
3.3 volt Total Current
270
mA
LVTTL Inputs and Outputs
CI
Input Capacitance
5
10
pF
CO
Output Capacitance
5
10
pF
IIH
Input Current, HIGH
VDD3 = 3.3
± 0.3V,
VIN = max.
±10
µA
IIL
Input Current, LOW
VDD3 = 3.3
± 0.3V,
VIN = 0 V
±10
µA
IILP
Input Current, LOW with pull-up
VDD3 = 3.3
± 0.3V,
VIN = 0 V
-60
-10
µA
VIH
Input Voltage, Logic HIGH
2.0
V
VIL
Input Voltage, Logic LOW
0.8
V
IOH
Output Current, Logic HIGH
-4.0
mA
IOL
Output Current, Logic LOW
4.0
mA
VOH
Output Voltage, HIGH
IOH = -4mA
2.4
V
VOL
Output Voltage, LOW
IOL = 4mA
0.4
V
GTL Inputs and Outputs
CI
Input Capacitance
4
8
pF
CO
Output Capacitance
4
8
pF
IIH
Input Current, HIGH
VDD3 = 3.3
± 0.3V,
VIN = max.
±10
µA
IIL
Input Current, LOW
VDD3 = 3.3
± 0.3V,
VIN = 0 V
±10
µA
VIH
Input Voltage, Logic HIGH
VREF+.2
V
VIL
Input Voltage, Logic LOW
VREF-.2
V
VREF
Voltage Reference Range
TBD
0.9
TBD
V
IOH
Output Current, Logic HIGH1
-10
µA
IOL
Output Current, Logic LOW1
45.0
mA
VOL
Output Voltage, LOW
IOL = 45mA
0.12
0.20
0.34
V
Analog
VIREF
DAC Current Reference Voltage
1.15
1.276
1.40
V
VOC
Video Output Compliance
-0.4
2
V
ROUT
Video Output Resistance
15
K
Ω
COUT
Video Output Capacitance
COUT = 0 mA,
Freq. = 1 MHz
20
pF
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