SC16C550 datasheet(33/52 Pages) PHILIPS

Part #	SC16C550

Description	Universal Asynchronous Receiver/Transmitter (UART) with 16-byte FIFO and infrared (IrDA) encoder/decoder

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Manufacturer	PHILIPS [NXP Semiconductors]

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Philips Semiconductors

SC16C550

UART with 16-byte FIFO and IrDA encoder/decoder

Product data

Rev. 05 — 19 June 2003

33 of 52

9397 750 11619

9.

Static characteristics

[1]

Refer to Table 2 “Pin description” on page 6 for a listing of pins having internal pull-up resistors.

[2]

Except for x2, VOL = 1 V typically.

Table 26:

DC electrical characteristics

Tamb = −40 °C to +85 °C; VCC = 2.5 V, 3.3 V or 5.0 V ±10%, unless otherwise speciﬁed.

Symbol

Parameter

Conditions

2.5 V

3.3 V

5.0 V

Unit

Min

Max

Min

Max

Min

Max

VIL(CK)

LOW-level clock input voltage

−0.3

0.45

−0.3

0.6

−0.5

0.6

V

VIH(CK)

HIGH-level clock input voltage

1.8

VCC

2.4

VCC

3.0

VCC

V

VIL

LOW-level input voltage

−0.3

0.65

−0.3

0.8

−0.5

0.8

V

VIH

HIGH-level input voltage

1.6

-

2.0

-

2.2

VCC

V

VOL

LOW-level output voltage on all

outputs[2]

IOL =5mA

(databus)

-----0.4

V

IOL =4mA

(other outputs)

---0.4

--V

IOL =2mA

(databus)

-0.4

----V

IOL = 1.6 mA

(other outputs)

-0.4

----V

VOH

HIGH-level output voltage

IOH = −5mA

(databus)

----2.4

-V

IOH = −1mA

(other outputs)

--2.0

---V

IOH = −800 µA

(databus)

1.85

-----V

IOH = −400 µA

(other outputs)

1.85

-----V

ILIL

LOW-level input leakage current

-

±10

-

±10

-

±10

µA

ICL

clock leakage

-

±30

-

±30

-

±30

µA

ICC

average power supply current

f = 5 MHz

-

3.5

-

4.5

-

4.5

mA

Ci

input capacitance

-

5

-

5

-

5

pF

Rpu(int)

internal pull-up resistance

500

-

500

-

500

-

k

Ω

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