SC16IS752IPW datasheet(42/59 Pages) NXP

42 / 59 page

SC16IS752_SC16IS762_7

Product data sheet

Rev. 07 — 19 May 2008

42 of 59

NXP Semiconductors

SC16IS752/SC16IS762

Dual 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.

Bit

Name

Function

7R/W

Read/write.

1 = read from UART

0 = write to UART

6:3

A[3:0]

UART’s internal register select

2:1

CH1, CH0

Channel select.

00 = channel A

01 = channel B

10 = reserved

11 = reserved

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

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

-50

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

operating

+125

°C

Tstg

storage temperature

−65

+150

°C

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