TDA8443A Datasheet, PDF (11/20 Pages) NXP Semiconductors – I2C-bus controlled YUV/RGB switch

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 V_IH = 3 V and V_IL = 1.5 V; see Fig.4.
SYMBOL
PARAMETER
CONDITIONS
MIN.
t_BUF
time bus must be free before start
4.7
t_SU;STA
set-up time for start condition
4.7
t_HD;STA
hold time for start condition
4.0
t_LOW
SCL and SDA LOW time
4.7
t_HIGH
SCL HIGH time
4.0
t_r
SCL and SDA rise time
−
t_f
SCL and SDA fall time
−
t_SU;DAT
data set-up time (write)
250
t_HD;DAT
data hold time (write)
note 1
1.0
t_SU;ACK
acknowledge set-up time
−
t_HD;ACK
acknowledge hold time
0
t_SU;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 t_HD;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