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SC26C92

Dual universal asynchronous receiver/transmitter (DUART)

Philips Electronics 

Philips Semiconductors

Dual universal asynchronous receiver/transmitter (DUART)

Product specification

SC26C92

ABSOLUTE MAXIMUM RATINGS1

SYMBOL

TA

TSTG

VCC

VS

PD

PD

PD

PARAMETER

Operating ambient temperature range2

Storage temperature range

Voltage from VCC to GND3

Voltage from any pin to GND3

Package power dissipation (DIP40)

Package power dissipation (PLCC44)

Package power dissipation (PQFP44)

Derating factor above 25_C (PDIP40)

RATING

Note 4

-65 to +150

-0.5 to +7.0

-0.5 to VCC +0.5

2.8

2.4

1.78

22

UNIT

°C

°C

V

V

W

W

W

mW/_C

Derating factor above 25_C (PLCC44)

19

mW/_C

Derating factor above 25_C (PQFP44)

14

mW/_C

NOTES:

1. Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only and

functional operation of the device at these or any other condition above those indicated in the operation section of this specification is not

implied.

2. For operating at elevated temperatures, the device must be derated based on +150°C maximum junction temperature.

3. This product includes circuitry specifically designed for the protection of its internal devices from damaging effects of excessive static

charge. Nonetheless, it is suggested that conventional precautions be taken to avoid applying any voltages larger than the rated maxima.

4. Parameters are valid over specified temperature range.

DC ELECTRICAL CHARACTERISTICS1, 2

VCC = 5V ± 10%, TA = –40_C to 85_C, unless otherwise specified.

SYMBOL

VIL

VIH

VIH

PARAMETER

Input low voltage

Input high voltage (except X1/CLK)

Input high voltage (X1/CLK)

TEST CONDITIONS

–40 to +85°C

LIMITS

Min

Typ

2.5

0.8 VCC

Max

0.8

UNIT

V

V

V

VOL

VOH

IIX1PD

IILX1

IIHX1

II

IOZH

IOZL

IODL

IODH

ICC

Output low voltage

Output high voltage (except OD outputs)3

X1/CLK input current - power down

X1/CLK input low current - operating

X1/CLK input high current - operating

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 current4

Operating mode

Power down mode5

IOL = 2.4mA

IOH = -400µA

VIN = 0 to VCC

VIN = 0

VIN = VCC

VIN = 0 to VCC

VIN = 0 to VCC

VIN = VCC

VIN = 0V

VIN = 0

VIN = VCC

CMOS input levels

CMOS input levels

VCC -0.5

-0.5

-130

0.4

V

V

+0.5

µA

µA

130

µA

-0.5

+0.5

µA

-8

+0.5

µA

0.5

µA

–0.5

µA

–0.5

µA

0.5

µA

5

10

mA

2

15

mA

NOTES:

1. Parameters are valid over specified temperature range.

2. Typical values are at +25°C, typical supply voltages, and typical processing parameters.

3. Test conditions for outputs: CL = 150pF, except interrupt outputs. Test conditions for interrupt outputs: CL = 50pF, RL = 2.7KΩ to VCC.

4. All outputs are disconnected. Inputs are switching between CMOS levels of VCC -0.2V and VSS + 0.2V.

5. See UART application note for power down currents of 5µA or less.

2000 Jan 31

6

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