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AK4709 Datasheet, PDF (12/42 Pages) Asahi Kasei Microsystems – Low Power AV SCART Switch
[AK4709]
SWITCHING CHARACTERISTICS
(Ta = 25°C; VP = 10.8 ∼ 13.2V, VD1=VD2= VVD1 = VVD2 = 3.13 ∼ 3.47V)
Parameter
Control Interface Timing (I2C Bus):
Symbol
min
typ
max
Units
SCL Clock Frequency
fSCL
-
Bus Free Time Between Transmissions
tBUF
1.3
Start Condition Hold Time
tHD:STA
0.6
(prior to first clock pulse)
Clock Low Time
tLOW
1.3
Clock High Time
tHIGH
0.6
Setup Time for Repeated Start Condition
tSU:STA
0.6
SDA Hold Time from SCL Falling (Note 16) tHD:DAT
0
SDA Setup Time from SCL Rising
tSU:DAT
0.1
Rise Time of Both SDA and SCL Lines
tR
-
Fall Time of Both SDA and SCL Lines
tF
-
Setup Time for Stop Condition
tSU:STO
0.6
Pulse Width of Spike Noise
tSP
0
Suppressed by Input Filter
400
kHz
-
μs
-
μs
-
μs
-
μs
-
μs
-
μs
-
μs
0.3
μs
0.3
μs
-
μs
50
ns
Capacitive load on bus
Cb
400
pF
Reset Timing
PDN Pulse Width
(Note 17)
tPD
150
ns
Note 16. Data must be held for sufficient time to bridge the 300 ns transition time of SCL.
Note 17. The AK4709 should be reset once by bringing the PDN pin = “L” after all power supplies are supplied.
Note 18. I2C-bus is a trademark of NXP B.V.
MS1319-E-00
- 12 -
2011/07