33972 View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

Manufacturer

33972

Multiple Switch Detection Interface with Suppressed Wake-up

Freescale Semiconductor 

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

Table 4. Static Electrical Characteristics (continued)

Characteristics noted under conditions 3.1 V ≤ VDD ≤ 5.25 V, 8.0 V ≤ VPWR ≤ 16 V, -40°C ≤ TC ≤ 125°C, unless otherwise

noted.(7) Where applicable, typical values reflect the parameter’s approximate average value with VPWR = 13 V, TA = 25°C.

Characteristic

Symbol

Min

Typ

Max

Unit

DIGITAL INTERFACE

Input Logic Voltage Thresholds(11)

SCLK, SI, Tri-state SO Input Current

0 V to VDD

VINLOGIC

0.8

–

2.2

V

ISCLK, ISI,

μA

ISO (TRI)

-10

–

10

CS Input Current

CS = VDD

ICS

μA

-10

–

10

CS Pull-up Current

CS = 0 V

ICS

μA

30

–

100

SO High-state Output Voltage

ISO(HIGH) = -200 μA

VSO (HIGH)

V

VDD -0.8

–

VDD

SO Low-state Output Voltage

ISO(HIGH) = 1.6mA

Input Capacitance on SCLK, SI, Tri-state SO(12)

INT Internal Pull-up Current

VSO (LOW)

–

CIN

–

–

15

V

–

0.4

–

20

pF

40

100

μA

INT Voltage

INT = Open Circuit

INT Voltage

I INT = 1.0 mA

V INT (HIGH)

V

VDD -0.5

–

VDD

V INT (LOW)

V

–

0.2

0.4

WAKE Internal Pull-up Current

WAKE Voltage

WAKE = Open Circuit

I WAKE (PU)

20

40

100

μA

V WAKE (HIGH)

V

4.0

4.3

5.3

WAKE Voltage

I WAKE = 1.0 mA

V WAKE(LOW)

V

–

0.2

0.4

WAKE Voltage

Maximum Voltage Applied to WAKE Through External Pull-up

V WAKE(MAX)

–

V

–

40

Notes

11. Upper and lower logic threshold voltage levels apply to SI, CS, and SCLK.

12. This parameter is guaranteed by design but is not production tested.

Analog Integrated Circuit Device Data

Freescale Semiconductor

33972

7

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