STV9425-STV9425B Ver la hoja de datos (PDF) - STMicroelectronics

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STV9425-STV9425B

MULTISYNC ON-SCREEN DISPLAY FOR MONITOR

STMicroelectronics 

STV9425 - STV9425B - STV9426

TIMINGS

Symbol

Parameter

OSCILATOR INPUT : XTI (see Figure 2)

TWH

T WL

FXTAL

FPXL

RESET

Clock High Level

Clock Low Level

Clock Frequency

Pixel Frequency

TRES

Reset Low Level Pulse

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

TRISE

Rise Time (Note 1)

TFALL

Fall Time (Note 1)

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

I2C INTERFACE : SDA AND SCL (see Figure 3)

FSCL

TBUF

THDS

TSUP

TLOW

THIGH

THDAT

TSUDAT

TF

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

TR

Rise Time of Both SCL and SDA

Min.

Typ.

Max.

Unit

20

20

TBD

ns

ns

15

MHz

50

MHz

4

µs

5

ns

5

ns

5

ns

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 characterizat ion.

Figure 2

TWL

XTI

TWH

Figure 3

STOP START

TBUF

SDA

THDS

SCL

THIGH

DATA

THDAT

STOP

TSUDAT

TSUP

TLOW

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