MK20DX128VMP5 データシートの表示（PDF） - Freescale Semiconductor
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MK20DX128VMP5 Datasheet PDF : 62 Pages
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General
5.2 Nonswitching electrical specifications
5.2.1 Voltage and current operating requirements
Table 1. Voltage and current operating requirements
Symbol Description
VDD
Supply voltage
VDDA
Analog supply voltage
VDD – VDDA VDD-to-VDDA differential voltage
VSS – VSSA VSS-to-VSSA differential voltage
VBAT
RTC battery supply voltage
VIH
Input high voltage
• 2.7 V ≤ VDD ≤ 3.6 V
• 1.7 V ≤ VDD ≤ 2.7 V
Min.
Max.
Unit
1.71
3.6
V
1.71
3.6
V
–0.1
0.1
V
–0.1
0.1
V
1.71
3.6
V
0.7 × VDD
—
V
0.75 × VDD
—
V
Notes
VIL
Input low voltage
• 2.7 V ≤ VDD ≤ 3.6 V
• 1.7 V ≤ VDD ≤ 2.7 V
—
0.35 × VDD
V
—
0.3 × VDD
V
VHYS
Input hysteresis
0.06 × VDD
—
V
IICIO
I/O pin DC injection current — single pin
• VIN < VSS-0.3V (Negative current injection)
• VIN > VDD+0.3V (Positive current injection)
1
mA
-3
—
—
+3
IICcont
Contiguous pin DC injection current —regional limit,
includes sum of negative injection currents or sum of
positive injection currents of 16 contiguous pins
• Negative current injection
-25
—
mA
• Positive current injection
—
+25
VRAM
VDD voltage required to retain RAM
1.2
—
V
VRFVBAT VBAT voltage required to retain the VBAT register file VPOR_VBAT
—
V
1. All analog pins are internally clamped to VSS and VDD through ESD protection diodes. If VIN is greater than VAIO_MIN
(=VSS-0.3V) and VIN is less than VAIO_MAX(=VDD+0.3V) is observed, then there is no need to provide current limiting
resistors at the pads. If these limits cannot be observed then a current limiting resistor is required. The negative DC
injection current limiting resistor is calculated as R=(VAIO_MIN-VIN)/|IIC|. The positive injection current limiting resistor is
calcualted as R=(VIN-VAIO_MAX)/|IIC|. Select the larger of these two calculated resistances.
K20 Sub-Family Data Sheet, Rev. 4 5/2012.
Freescale Semiconductor, Inc.
11
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