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CXA1616N

Sync Discriminator for CRT Displays

Sony Semiconductor 

CXA1616N/S

(Ta = 25°C, VCC = 12V, See the Electrical Characteristics Test Circuit)

No.

Item

Symbol

Measurement description

Measure- Min.

ment point

The voltage integral of the vertical

11

PVC voltage 1 VPV1

polarity discrimination circuit for

VS (vertical separate sync) input.

PVC

(Pin 2)

—

Input signal F (negative logic).

The voltage integral of the vertical

12

PVC voltage 2 VPV2

polarity discrimination circuit for

VS (vertical separate sync) input.

PVC

(Pin 2)

—

Input signal G (positive Iogic).

The voltage integral of the vertical

13

PHC voltage 1 VPH1

polarity discrimination circuit for

CS (composite sync) input.

PHC

(Pin 5)

—

Input signal H (negative logic).

The voltage integral of the vertical

14

PHC voltage 2 VPH2

polarity discrimination circuit for

CS (composite sync) input.

PHC

(Pin 5)

—

Input signal I (positive logic).

Measures the voltage of the vertical

15

EVC voltage 1 VEV1

ramp waveform generator for

VS (vertical separate sync) input.

EVC

(Pin 3)

—

Input signal A.

Measures the voltage of the vertical

16

EVC voltage 2 VEV2

ramp waveform generator for

VS (vertical separate sync) input.

EVC

(Pin 3)

—

No input signal.

Measurers the sync existence

17

EHC voltage 1 VEH1

discrimination voltage for

CS (composite sync) input.

Input signal J.

EHC

(Pin 6)

—

Measures the sync existence

18

EHC voltage 2 VEH2

discrimination voltage for

CS (composite sync) input.

No input signal.

EHC

(Pin 6)

—

Measures the delay difference

between CS and HD for

HD

19 HD delay 1

td1

( CS (composite sync) Input. The

time from the CS (negative polarity)

fall time (50%) to the HD output

Pin 18

Pin 20

120

rise time (50%). Input signal B.

Measures the delay difference

20 HD delay 2

td2

between CS and HD for

CS (composite sync) input. The

time from the CS (positive polarity)

rise time (50%) to the HD output

HD

( Pin 18

Pin 20

120

rise time (50%). Input signal D.

Typ. Max. Unit

0.3 — V

3.4 — V

0.4 — V

3.4 — V

7.9 — V

4.3 — V

4.8 — V

3.0 — V

190 250 ns

205 260 ns

–8–

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