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SC28L194 Datasheet

  • SC28L194

  • Quad UART for 3.3V and 5V supply

  • Philips

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Philips Semiconductors
Preliminary specification
Quad UART for 3.3V and 5V supply voltage
SC28L194
DC ELECTRICAL SPECIFICATIONS FOR COMMERCIAL AND INDUSTRIAL (5V)
V
CC
= 5.0V
鹵
10%; 鈥?0 to +85擄C
SYMBOL
V
IL
V
IH
V
OL3
V
O
OH
V
OL3
I
IL
I
IH
I
L
I
ILCKX1
I
IHCKX1
I
OZH
I
OZL
I
ODL
I
ODH
Input low voltage
2
Input high voltage (except X1/CLK)
Input high voltage (X1/CLK)
Output low voltage
4
Output high voltage
Open-drain low voltage
Input current low, I/O pins
Input current high, I/O pins
Input leakage current
X1/CLK input low current
X1/CLK input high current
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 current
I
CC
Operating mode 33MHz
Static Power-down (no clocks, open-drains off,
inputs at V
SS
or V
CC
)
I
OL
= 4.0mA
I
OH
= 鈥?00碌A(chǔ)
I
OH
= 鈥?00碌A(chǔ)
I
OL
= 14.0mA
V
IN
= 0
V
IN
= V
CC
V
IN
= 0 to V
CC
V
IN
= V
SS
, X2 = Open
V
IN
= V
CC
, X2 = Open
V
IN
= V
CC
V
IN
= 0
V
IN
= 0
V
IN
= V
CC
TTL input levels
CMOS input levels
CMOS input levels
鈥?0
鈥?0
<0.1
<0.1
<0.1
<0.1
80
19
5
10
120
30
25
鈥?
鈥?50
450
10
鈥?0
0.8V
CC
0.9V
CC
<0.25
<0.1
<0.1
<1
10
5
0.4
PARAMETER
TEST CONDITIONS
LIMITS
MIN.
V
SS
2.0
0.8V
CC
0.15
TYP.
1
MAX.
0.8
V
CC
V
CC
0.4
UNIT
V
V
V
V
V
V
V
碌A(chǔ)
碌A(chǔ)
碌A(chǔ)
碌A(chǔ)
碌A(chǔ)
碌A(chǔ)
碌A(chǔ)
碌A(chǔ)
碌A(chǔ)
mA
mA
碌A(chǔ)
NOTES:
1. Typical values are at +25擄C, typical supply voltage and typcial processing parameters.
2. All voltage measurements are referenced to V
SS
. For testing, all inputs swing between 0.4V and 2.4V with a transition time of 10ns
maximum. For X1/CLK, this swing is between 0.4V and 4.4V. All time measurements are referenced at input voltages of V
IL
and V
IH
as
appropriate.
3. Test conditions for interrupt and I/O outputs: C
L
= 50pF. Test conditions for the rest of the outputs: C
L
= 60pF.
4. Simultaneous switching more than 6 I/O port pins from 5 volts to 0 volts at full capacitive load may ground bounce on the output pins up to
0.95 volts.
5. All R
X
, T
X
, Brg Timer, I/O pins operating at 16MHz. Sclk at 35MHz and V
CC
at 5.6 volts. A worst case environment.
1998 Sep 21
40

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