SC16IS741AIPW datasheet(39/55 Pages) NXP

39 / 55 page

SC16IS741A

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Product data sheet

Rev. 1 — 18 March 2013

39 of 55

NXP Semiconductors

SC16IS741A

Single UART with I2C-bus/SPI interface, 64-byte FIFOs, IrDA SIR

12. Limiting values

[1]

5.5 V steady state voltage tolerance on inputs and outputs is valid only when the supply voltage is present.

4.6 V steady state voltage tolerance on inputs and outputs when no supply voltage is present.

13. Static characteristics

Table 31.

Bit

Name

Function

7R/W

1: read from UART

0: write to UART

6:3

A[3:0]

UART’s internal register select

2:1

CH1, CH0

channel select: CH1 = 0, CH0 = 0

Other values are reserved and should not be used.

not used

Table 32.

Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol

Parameter

Conditions

Min

Max

Unit

VDD

supply voltage

0.3

+4.6

input voltage

any input

0.3

+5.5[1]

input current

any input

10

+10

output current

any output

10

+10

Ptot

total power dissipation

300

P/out

power dissipation per output

Tamb

ambient temperature

operating

VDD =2.5 V  0.2 V

40

+85

C

VDD =3.3 V  0.3 V

40

+95

C

junction temperature

+125

C

Tstg

storage temperature

65

+150

C

Table 33.

Static characteristics

VDD =2.5 V  0.2 V, Tamb = 40 Cto+85 C; or VDD =3.3 V  0.3 V, Tamb = 40 Cto +95 C; unless otherwise specified.

Symbol

Parameter

Conditions

VDD =2.5 V

VDD =3.3 V

Unit

Min

Max

Min

Max

Supplies

VDD

supply voltage

2.3

2.7

3.0

3.6

IDD

supply current

operating; no load

6.0

Inputs I2C/SPI, RX, CTS

VIH

HIGH-level input voltage

1.6

5.5[1]

2.0

5.5[1]

VIL

LOW-level input voltage

0.6

0.8

leakage current

input; VI = 0 V or 5.5 V[1]

-1-1

A

input capacitance

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