DS_6613_018

78M6613 Data Sheet

Rev 2

21

4.2 Recommended External Components

Name

From

To

Function

Value

Unit

C1

V3P3A

GNDA

Bypass capacitor for 3.3V supply.

≥

0.1±10%

µ

F

CSYS

V3P3D

GNDD

Bypass capacitor for V3P3D.

≥

0.1±10%

µ

F

XTAL

XIN

XOUT

32.768 kHz crystal – electrically similar to

ECS .327-12.5-17X or Vishay XT26T, load

capacitance 12.5 pF.

32.768

kHz

XIN

GND

Load capacitor for crystal (exact value

depends on crystal specifications and

parasitic capacitance of board).

27±10%

pF

XOUT

GND

27±10%

pF

XIN to GND and XOUT to GND (combining pin, trace and crystal capacitance) should be 35 pF to 37 pF.

4.3 Recommended Operating Conditions

Parameter

Condition

Min

Typ

Max

Unit

3.3V Supply Voltage (V3P3)

Normal Operation

3.0

3.3

3.6

V

Operating Temperature

-40

+85

ºC

4.4 Performance Specifications

4.4.1 Input Logic Levels

Parameter

Condition

Min

Typ

Max

Unit

2

V

0.8

V

E_RXTX,

E_RST, CKTEST

Other digital inputs

VIN=0V, ICE_E=1

10

10

-1

0

100

100

1

µ

A

µ

A

µ

A

ICE_E

Other digital inputs

VIN=V3P3

10

-1

0

100

1

µA

µA

4.4.2 Output Logic Levels

Parameter

Condition

Min

Typ

Max

Unit

V3P3

–0.4

V

V3P3-

V

0

0.4

V

V