CF5035ALB datasheet(7/8 Pages) NPC

7 / 8 page

CF5035 series

SEIKO NPC CORPORATION —7

MEASUREMENT CIRCUITS

Measurement cct 1

Measurement parameter: IDD, IST, Duty, tr , tf

Note: The AC characteristics are observed using an oscilloscope on

pin Q.

Measurement cct 2

Measurement parameter: tOE, tOD

XIN input signal: 1Vp-p, sine wave

C1: 0.001

µF

R1: 50

Ω

Measurement cct 3

Measurement parameter: VOH, VOL

XOUT input signal: 1Vp-p, sine wave

VDD

VSS

XIN

X'tal

XOUT

INHN

IDD

IST

(Including probe

capacitance)

CL = 15pF

IDD: Open

IST: Short

VDD

VSS

XOUT

INHN

Signal

Generator

VDD

VSS

VDD

VSS

XOUT

Signal

Generator

Ω

0.001

µF

VOH

VOL

Ω

0.1

µFVS

∆V

VOH

∆V

VOL

VS adjusted such that ∆V =

× IOH.

VS adjusted such that ∆V =

× IOL.

Measurement cct 4

Measurement parameter: VIH, VIL

VIH: Voltage in VSS to VDD transition that changes the output state.

VIL: Voltage in VDD to VSS transition that changes the output state.

INHN has an oscillation stop function.

Measurement cct 5

Measurement parameter: IZ

Measurement cct 6

Measurement parameter: RPU1, RPU2

VDD

VSS

XIN

X'tal

XOUT

INHN

VIH

VIL

VDD

VSS

INHN

VDD

VSS

VDD

VSS

INHN

VIN

A IPU

VDD

IPU

(VIN = 0V)

RPU2 =

IPU

VDD 0.7VDD

RPU1 =

(VIN = 0.7VDD)

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