TDA8443A 데이터 시트보기 (PDF) - Philips Electronics

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TDA8443A

I2C-bus controlled YUV/RGB switch

Philips Electronics 

Philips Semiconductors

I2C-bus controlled YUV/RGB switch

Product specification

TDA8443A

TIMING CHARACTERISTICS

I2C-bus load conditions: 4 kΩ pull-up resistor to +5 V; 200 pF capacitor to GND;

all values are referenced to VIH = 3 V and VIL = 1.5 V; see Fig.4.

SYMBOL

PARAMETER

CONDITIONS

MIN.

tBUF

time bus must be free before start

4.7

tSU;STA

set-up time for start condition

4.7

tHD;STA

hold time for start condition

4.0

tLOW

SCL and SDA LOW time

4.7

tHIGH

SCL HIGH time

4.0

tr

SCL and SDA rise time

−

tf

SCL and SDA fall time

−

tSU;DAT

data set-up time (write)

250

tHD;DAT

data hold time (write)

note 1

1.0

tSU;ACK

acknowledge set-up time

−

tHD;ACK

acknowledge hold time

0

tSU;STO

set-up time for stop condition

4.7

TYP.

−

−

−

−

−

1.0

0.3

−

−

2

−

−

MAX.

µs

µs

µs

µs

µs

µs

µs

ns

µs

µs

µs

µs

Note

1. Timing tHD;DAT deviates from the I2C-bus specification. After reset has been activated, a delay of 50 µs must occur

before transmission may be resumed.

handbook, full pagewidth SDA

(WRITE)

t BUF

SCL

t SU; STA

t HD; DAT

tf

tr

t LOW

t HD; STA

t SU; ACK

t LOW

t HD; ACK

t HIGH

t SU; DAT

t SU; STO

MLD005

1995 Mar 07

Fig.4 I2C-bus timing diagram.

11

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