WF5028 datasheet(7/13 Pages) NPC

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WF5028 series

SEIKO NPC CORPORATION —7

Electrical Characteristics

DC Characteristics

VDD = 0.8 to 2.0V, VSS = 0V, Ta = −40 to +85°C unless otherwise noted.

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

HIGH-level output voltage

VOH

Q: Measurement cct 3

IOH = – 0.7mA, VDD = 0.8V

0.6

–

IOH = – 3mA, VDD = 1.1V

0.8

–

IOH = – 5mA, VDD = 1.4V

1.0

–

LOW-level output voltage

VOL

Q: Measurement cct 3

IOL = 0.7mA, VDD = 0.8V

–

0.2

IOL = 3mA, VDD = 1.1V

–

0.3

IOL = 5mA, VDD = 1.4V

–

0.4

HIGH-level input voltage

VIH

INHN, Measurement cct 4

0.7VDD

––

LOW-level input voltage

VIL

INHN, Measurement cct 4

–

0.3VDD

Output leakage current

Q: Measurement cct 5,

INHN = LOW, Ta = 25

°C

VOH = VDD

–

µA

VOL = VSS

–

µA

Current consumption*1

*1. When loading the capacitance to Q pin, the charge and discharge current (ICL) consumed by load capacitance (CL) is given by the following equation.

(output frequency: fOUT)

ICL = CL × VDD × fOUT

IDD

5028

×1 (fO), Measurement cct 1,

no load, INHN = open, fO = 48MHz,

fOUT = 48MHz

VDD = 1.5V

–

1.7

2.6

VDD = 1.2V

–

1.3

2.0

VDD = 0.9V

–

0.9

1.4

5028

×2 (fO/2), Measurement cct 1,

no load, INHN = open, fO = 48MHz,

fOUT = 24MHz

VDD = 1.5V

–

1.5

2.3

VDD = 1.2V

–

1.1

1.7

VDD = 0.9V

–

0.8

1.2

5028

×3 (fO/4), Measurement cct 1,

no load, INHN = open, fO = 48MHz,

fOUT = 12MHz

VDD = 1.5V

–

1.3

2.0

VDD = 1.2V

–

1.0

1.5

VDD = 0.9V

–

0.6

0.9

5028

×4 (fO/8), Measurement cct 1,

no load, INHN = open, fO = 48MHz,

fOUT = 6MHz

VDD = 1.5V

–

1.2

1.8

VDD = 1.2V

–

0.9

1.4

VDD = 0.9V

–

0.55

0.9

5028

×5 (fO/16), Measurement cct 1,

no load, INHN = open, fO = 48MHz,

fOUT = 3MHz

VDD = 1.5V

–

1.1

1.7

VDD = 1.2V

–

0.8

1.2

VDD = 0.9V

–

0.5

0.8

5028

×6 (fO/32), Measurement cct 1,

no load, INHN = open, fO = 48MHz,

fOUT = 1.5MHz

VDD = 1.5V

–

1.1

1.7

VDD = 1.2V

–

0.8

1.2

VDD = 0.9V

–

0.5

0.8

5028

×7 (fO/64), Measurement cct 1,

no load, INHN = open, fO = 48MHz,

fOUT = 0.75MHz

VDD = 1.5V

–

1.1

1.7

VDD = 1.2V

–

0.8

1.2

VDD = 0.9V

–

0.5

0.8

Standby current

IST

Measurement cct 1, INHN = LOW, Ta = 25

°C

–

100

µA

INHN pull-up resistance

RUP1

Measurement cct 6

0.4

Ω

RUP2

150

Ω

Oscillator feedback

resistance

100

200

Ω

Oscillator capacitance

Design value (a monitor pattern on a wafer is tested),

Excluding parasitic capacitance.

–2–

–12–

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