LC74731WS-9818-E View Datasheet(PDF) - ON Semiconductor

Part Name

Description

Manufacturer

LC74731WS-9818-E

On-Screen Display Controller

ON Semiconductor 

LC74731W, LC74732W

OSD Write (See figure 1.) at Ta = –30 to +70°C, VDD1 = 5 ± 0.5 V

Parameter

Minimum input pulse width

Data setup time

Data hold time

One word write time

Symbol

Conditions

tw (sclk)

tw (cs)

tsu (cs)

tsu (sin)

th (cs)

th (sin)

tword

twt

SCLK

CS (the period when CS is high)

CS

SIN

CS

SIN

The time to write 8 bits of data

RAM data write time

Supplementary Materials

CS

tsu(cs) tw(sclk) tw(sclk)

min

200

1

200

200

2

200

4.2

1

Ratings

typ

—

—

—

—

—

—

—

—

Unit

max

—

ns

—

µs

—

ns

—

ns

—

µs

—

ns

—

µs

—

µs

tw(cs)

th(cs)

SCLK

SIN

tsu(sin) th(sin)

CS

SCLK

tword

twt

01

567

01

4 56 7

Figure 1 OSD Serial Data Input Timing

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