SC16IS740_11 datasheet(44/63 Pages) NXP

Part #	SC16IS740

Description	Single UART with I2C-bus/SPI interface, 64 bytes of transmit and receive FIFOs

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Manufacturer	NXP [NXP Semiconductors]

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SC16IS740_750_760

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Product data sheet

Rev. 7 — 9 June 2011

44 of 63

NXP Semiconductors

SC16IS740/750/760

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.

Table 34.

Register address byte (SPI)

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.

0

-

not used

Table 35.

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

V

VI

input voltage

any input

0.3

+5.5[1]

V

II

input current

any input

10

+10

mA

IO

output current

any output

10

+10

mA

Ptot

total power dissipation

-

300

mW

P/out

power dissipation per

output

-50

mW

Tamb

ambient temperature

operating

VDD =2.5 V  0.2 V

40

+85

C

VDD =3.3 V  0.3 V

40

+95

C

Tj

junction temperature

-

+125

C

Tstg

storage temperature

65

+150

C

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