CF5035 series

SEIKO NPC CORPORATION —7

MEASUREMENT CIRCUITS

Measurement cct 1

Note: The AC characteristics are observed using an oscilloscope on

pin Q.

Measurement cct 2

XIN input signal: 1Vp-p, sine wave

C1: 0.001

µF

R1: 50

Ω

Measurement cct 3

XOUT input signal: 1Vp-p, sine wave

VDD

VSS

XIN

Q

X'tal

XOUT

INHN

A

(Including probe

capacitance)

VDD

VSS

Q

XOUT

INHN

Signal

Generator

R1

C1

or

VDD

VSS

Q

XOUT

Signal

Generator

50

Ω

0.001

µF

V

50

Ω

0.1

∆V

∆V

50

50

Measurement cct 4

INHN has an oscillation stop function.

Measurement cct 5

Measurement cct 6

VDD

VSS

XIN

Q

X'tal

XOUT

INHN

V

VDD

VSS

Q

INHN

A

or

VDD

VSS

INHN

V