UPC1862GS datasheet(22/32 Pages) NEC

22 / 32 page

µPC1862

Parameter

Symbol

Condition

MIN.

TYP.

MAX.

Unit

Burst gate input

VBGPE2

Burst gate pulse input voltage when Clamp

3.8

4.0

4.2

Threshold level 2

voltage begins High level is gradually

increased from VBGPE1 without signal input

Vertical free-running

fV1 (50)

Frequency ratio of HD output to VD output

fH/352

frequency 1

H sync input: No signal

fV1 (60)

Pin 33 input: VCC

-fH/288

V sync input: VCC

Vertical free-running

fV2 (50)

Same as fV1 with the following exception

fH/288

frequency 2

fV2 (60)

V sync input: GND

fH/240

Vertical free-running

fV3 (50)

Same as fV1 with the following exception

fH/368

frequency 3

fV3 (60)

Pin 33 input: GND

fH/296

Vertical free-running

fV4 (50)

Same as fV1 with the following exception

fH/272

frequency 4

fV4 (60)

Pin 33 input: GND

-fH/232

V sync input: GND

UPC1862GS Datasheet(PDF) 22 Page - NEC

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