STV9420 Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

STV9420

MULTISYNC ON-SCREEN DISPLAY FOR MONITOR

STMicroelectronics 

STV9420 - STV9421

TIMINGS

Symbol

Parameter

Min.

Typ.

Max.

Unit

OSCILATOR INPUT : XTI (see Figure 2)

tWH

tWL

fXTAL

fPXL

Clock High Level

Clock Low Level

Clock Frequency

Pixel Frequency

RESET

tRES

Reset High Level Pulse

R, G, B, FBLK (CLOAD = 30pF)

tR

Rise Time (Note 1)

tF

Fall Time (Note 1)

tSKEW

Skew between R, G, B, FBLK (Note 1)

I2C INTERFACE : SDA AND SCL (see Figure 3)

35

ns

35

ns

6

15

MHz

30

MHz

4

µs

5

ns

5

ns

5

ns

fSCL

tBUF

tHDS

tSUP

tLOW

tHIGH

tHDAT

tSUDAT

tF

tR

SCL Clock Frequency

Time the bus must be free between 2 access

Hold Time for Start Condition

Set up Time for Stop Condition

The Low Period of Clock

The High Period of Clock

Hold Time Data

Set up Time Data

Fall Time of SDA

Rise Time of Both SCL and SDA

0

1

MHz

500

ns

500

ns

500

ns

400

ns

400

ns

0

ns

375

ns

20

ns

Depend on the pull-up resistor

and the load capacitance

Note 1 : These parameters are not tested on each unit. They are measured during our internal qualification procedure which includes

characterization on batches comming from corners of our processes and also temperature characterization.

Figure 2

Figure 3

XTI

tWL

tW H

S T OP S TART

tBUF

S DA

tHDS

SCL

tHIGH

DATA

tHDAT

STOP

tS UDAT

tS UP

tLOW

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