SCC68692 데이터 시트보기 (PDF) - Philips Electronics
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SCC68692 Datasheet PDF : 30 Pages
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Philips Semiconductors
Dual asynchronous receiver/transmitter (DUART)
Product specification
SCC68692
DC ELECTRICAL CHARACTERISTICS1, 2, 3
SYMBOL
PARAMETER
VIL
VIH6
VIH7
VIH
VOL
VOH4
Input low voltage
Input high voltage (except X1/CLK)
Input high voltage (except X1/CLK)
Input high voltage (X1/CLK)
Output low voltage
Output high voltage (except OD outputs)
IIX1PD
IILX1
IIHX1
IOHX2
IOHX2S
IOLX2
IOLX2S
II
IOZH
IOZL
IODL
IODH
ICC
X1/CLK input current – power down
X1/CLK input low current – operating
X1/CLK input high current – operating
X2 output high current – operating
X2 output high short circuit current – operating
X2 output low current – operating
X2 output low short circuit current – operating and
power down
Input leakage current:
All except input port pins
Input port pins
Output off current high, 3-State data bus
Output off current low, 3-State data bus
Open-drain output low current in off State
Open-drain output high current in off State
Power supply current5
Operating mode
Power down mode8
TEST CONDITIONS
IOL = 2.4mA
IOH = –400µA
VIN = 0 to VCC
VIN = 0
VIN = VCC
VOUT = VCC, X1 = 0
VOUT = 0, X1 = 0
VOUT = 0, X1 = VCC
VOUT = VCC, X1 = VCC
VIN = 0 to VCC
VIN = 0 to VCC
VIN = VCC
VIN = 0V
VIN = 0
VIN = VCC
TTL input levels
CMOS input levels
TTL input levels
CMOS input levels
LIMITS
Min
Typ Max
0.8
2.0
2.5
0.8VCC
0.4
VCC
–0.5
–10
+10
–75
0
0
75
0
+75
–10
–1
–75
0
1
10
–10
+10
–20
+10
10
–10
–10
10
10
10
3.0
2.0
UNIT
V
V
V
V
V
V
µA
µA
µA
µA
mA
µA
mA
µA
µA
µA
µA
µA
µA
mA
mA
mA
mA
NOTES:
1. Parameters are valid over specified temperature range.
2. All voltage measurements are referenced to ground (GND). For testing, all inputs swing between 0.4V and 2.4V with a transition time of 5ns
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 and
output voltages of 0.8V and 2.0V, as appropriate.
3. Typical values are at +25°C, typical supply voltages, and typical processing parameters.
4. Test conditions for outputs: CL = 150pF, except interrupt outputs. Test condition for interrupt outputs: CL = 50pF, RL = 2.7kΩ to VCC.
5. All outputs are disconnected. Inputs are switching between TTL levels of 2.4V and 0.4V or CMOS levels of VCC –0.2V and VSS + 0.2V.
6. TA > 0°C
7. TA < 0°C
8. See UART application note for power down currents less than 5µA.
1998 Sep 04
6
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