SN260 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'SN260' PDF : 88 Pages View PDF
Electrical characteristics
SN260
4.5
Digital I/O specifications
Table 6 contains the digital I/O specifications for the SN260. The digital I/O power (named
VDD_PADS) comes from three dedicated pins (pins 13, 19, and 24). The voltage applied to
these pins sets the I/O voltage.
Table 6.
Digital I/O specifications
Parameter
Name
Min.
Typ.
Max.
Unit
Voltage supply
VDD_PADS
2.1
3.6
V
Input voltage for logic 0
Input voltage for logic 1
Input current for logic 0
Input current for logic 1
Input pull-up resistor value
Input pull-down resistor value
Output voltage for logic 0
Output voltage for logic 1
Output source current (standard current
pad)
VIL
VIH
IIL
IIH
RIPU
RIPD
VOL
VOH
IOHS
0
0.2 x VDD_PADS V
0.8 x VDD_PADS
VDD_PADS
V
-0.5
A
0.5
A
30
kΩ
30
kΩ
0
0.18 x VDD_PADS V
0.82 x VDD_PADS
VDD_PADS
V
4
mA
Output sink current (standard current
pad)
IOLS
4
mA
Output source current (high current pad:
pins 33, 34, and 35)
IOHH
8
mA
Output sink current (high current pad:
pins 33, 34, and 35)
IOLH
8
mA
Total output current (for I/O pads)
Input voltage threshold for OSCA
IOH + IOL
0.2 x VDD_CORE
40
mA
0.8 x VDD_PADS V
Output voltage level (TX_ACTIVE)
0.18 x VDD_CORE
0.82 x VDD_CORE V
Output source current (TX_ACTIVE)
1
mA
12/88
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