SC16IS741A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 1 — 18 March 2013 39 of 55
NXP Semiconductors
SC16IS741A
Single UART with I
2
C-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. 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 32. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter Conditions Min Max Unit
V
DD
supply voltage 0.3 +4.6 V
V
I
input voltage any input 0.3 +5.5
[1]
V
I
I
input current any input 10 +10 mA
I
O
output current any output 10 +10 mA
P
tot
total power dissipation - 300 mW
P/out power dissipation per output - 50 mW
T
amb
ambient temperature operating
V
DD
=2.5V 0.2 V 40 +85 C
V
DD
=3.3V 0.3 V 40 +95 C
T
j
junction temperature - +125 C
T
stg
storage temperature 65 +150 C
Table 33. Static characteristics
V
DD
=2.5V
0.2 V, T
amb
=
40
Cto+85
C; or V
DD
=3.3V
0.3 V, T
amb
=
40
Cto+95
C; unless otherwise specified.
Symbol Parameter Conditions V
DD
=2.5V V
DD
=3.3V Unit
Min Max Min Max
Supplies
V
DD
supply voltage 2.3 2.7 3.0 3.6 V
I
DD
supply current operating; no load - 6.0 - 6.0 mA
Inputs I2C/SPI
, RX, CTS
V
IH
HIGH-level input voltage 1.6 5.5
[1]
2.0 5.5
[1]
V
V
IL
LOW-level input voltage - 0.6 - 0.8 V
I
L
leakage current input; V
I
= 0 V or 5.5 V
[1]
-1-1A
C
i
input capacitance - 3 - 3 pF
