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SCN68681 Datasheet(PDF) 6 Page - NXP Semiconductors

Part No. SCN68681
Description  Dual asynchronous receiver/transmitter DUART
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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SCN68681 Datasheet(HTML) 6 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
SCN68681
Dual asynchronous receiver/transmitter (DUART)
1998 Sep 04
6
DC ELECTRICAL CHARACTERISTICS TA = -40°C to +85°C, VCC = 5.0V ± 10%1, 2, 3
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
UNIT
SYMBOL
PARAMETER
TEST CONDITIONS
Min
Typ
Max
UNIT
VIL
Input low voltage
0.8
VIH
Input high voltage (except X1/CLK)5
2
V
VIH
Input high voltage (except X1/CLK)4
2.5
V
VIH
Input high voltage (X1/CLK)
4
VOL
Output low voltage
IOL = 2.4mA
0.4
VOH
Output high voltage (except o.d. outputs)5
IOH = -400µA
2.4
V
VOH
Output high voltage (except o.d. outputs)4
IOH = -400µA
2.9
IIL
Input leakage current
VIN = 0 to VCC
–10
10
µA
ILL
Data bus 3-State leakage current
VO = 0.4 to VCC
–10
10
µA
IX1L
X1/CLK low input current
VIN = 0, X2 grounded
VIN = 0, X2 floated
-4
-3
-2
-1.5
0
0
mA
mA
IX1H
X1/CLK high input current
VIN = VCC, X2 grounded
VIN = VCC, X2 floated
-1
0
0.2
3.5
1
10
mA
mA
IX2L
X2 low input current
VIN = 0, X1/CLK floated
-100
-30
0
µA
IX2H
X2 high input current
VIN = VCC, X1/CLK floated
0
+30
100
µA
IOC
ICC
Open-collector output leakage current
Power supply current
0
°C to +70°C version
-40
°C to +85°C version
VO = 0.4 to VCC
–10
10
150
175
µA
mA
mA
NOTES:
1. Parameters are valid over specified temperature range. See Ordering information table for applicable operating temperature range and VCC
supply range.
2. All voltage measurements are referenced to ground (GND). For testing, all inputs except X1/CLK swing between 0.4V and 2.4V with a
transition time of 20ns maximum. For X1/CLK this swing is between 0.4V and 4.4V. All time measurements are referenced at input voltages
of 0.8V and 2.0V as appropriate.
3. Typical values are at +25
°C, typical supply voltages, and typical processing parameters.
4. TA < 0°C
5. TA > 0°C


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