TMS570LS3137
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SPNS162.–SEPTEMBER 2011
3.6 Input/Output Electrical Characteristics Over Recommended Operating Conditions(1)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
mV
mV
V
Input hysteresis
All inputs (except
FRAYRX1,
FRAYRX2)
180
Vhys
FRAYRX1, FRAYRX2
All inputs(2) (except
FRAYRX1,
100
-0.3
0.8
VIL
Low-level input voltage
High-level input voltage
FRAYRX2)
FRAYRX1, FRAYRX2
All inputs(2) (except
FRAYRX1,
0.4 VCCIO
V
2
VCCIO + 0.3
V
VIH
FRAYRX2)
FRAYRX1, FRAYRX2
0.6 VCCIO
V
IOL = IOLmax
0.2 VCCIO
0.2
IOL = 50 µA, standard
output mode
VOL
Low-level output voltage
V
IOL = 50 µA, low-EMI
output mode (see
Section 3.10)
0.2 VCCIO
IOH = IOHmax
0.8 VCCIO
VCCIO -0.2
IOH = 50 µA, standard
output mode
VOH
IIC
II
High-level output voltage
Input clamp current (I/O pins)
Input current (I/O pins)
V
IOH = 50 µA, low-EMI
output mode (see
Section 3.10)
0.8 VCCIO
VI < VSSIO - 0.3 or VI
> VCCIO + 0.3
-2
2
mA
µA
IIH Pulldown 20µA
IIH Pulldown 100µA
IIL Pullup 20µA
IIL Pullup 100µA
All other pins
VI = VCCIO
5
40
40
195
-5
VI = VCCIO
VI = VSS
-40
-195
-1
VI = VSS
-40
1
No pullup or pulldown
CI
Input capacitance
Output capacitance
2
pF
pF
CO
3
(1) Source currents (out of the device) are negative while sink currents (into the device) are positive.
(2) This does not apply to the nPORRST pin.
3.7 Output Buffer Drive Strengths
Table 3-2. Output Buffer Drive Strengths
Low-level Output Current,
IOL for VI=VOLmax
or
Signals
High-level Output Current,
IOH for VI=VOHmin
FRAYTX2, FRAYTX1, FRAYTXEN1, FRAYTXEN2,
MIBSPI5CLK, MIBSPI5SOMI[0], MIBSPI5SOMI[1], MIBSPI5SOMI[2], MIBSPI5SOMI[3],
MIBSPI5SIMO[0], MIBSPI5SIMO[1], MIBSPI5SIMO[2], MIBSPI5SIMO[3],
8mA
TMS, TDI, TDO, RTCK,
SPI4CLK, SPI4SIMO, SPI4SOMI, nERROR,
N2HET2[1], N2HET2[3],
All EMIF Outputs and I/Os, All ETM Outputs
Copyright © 2011, Texas Instruments Incorporated
Device Operating Conditions
45
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