K11P121M50SF4 datasheet(11/59 Pages) FREESCALE

Part #	K11P121M50SF4

Description	K11 Sub-Family Data Sheet

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

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5.2.1 Voltage and current operating requirements

Table 1. Voltage and current operating requirements

Symbol

Description

Min.

Max.

Unit

Notes

VDD

Supply voltage

1.71

3.6

V

VDDA

Analog supply voltage

1.71

3.6

V

VDD – VDDA VDD-to-VDDA differential voltage

–0.1

0.1

V

VSS – VSSA VSS-to-VSSA differential voltage

–0.1

0.1

V

VBAT

RTC battery supply voltage

1.71

3.6

V

VIH

Input high voltage

• 2.7 V ≤ VDD ≤ 3.6 V

• 1.7 V ≤ VDD ≤ 2.7 V

0.7 × VDD

0.75 × VDD

—

V

VIL

Input low voltage

• 2.7 V ≤ VDD ≤ 3.6 V

• 1.7 V ≤ VDD ≤ 2.7 V

—

0.35 × VDD

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)

-3

—

+3

mA

1

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

• Positive current injection

-25

—

+25

mA

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.

5.2.2 LVD and POR operating requirements

Table 2. VDD supply LVD and POR operating requirements

Symbol

Description

Min.

Typ.

Max.

Unit

Notes

VPOR

Falling VDD POR detect voltage

0.8

1.1

1.5

V

VLVDH

Falling low-voltage detect threshold — high

range (LVDV=01)

2.48

2.56

2.64

V

Table continues on the next page...

General

K11 Sub-Family Data Sheet Data Sheet, Rev. 3, 08/2012.

Freescale Semiconductor, Inc.

11

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