ASAHI KASEI [AK4114]
MS0098-E-04 2004/03
- 8 -
SWITCHING CHARACTERISTICS (Continued)
(Ta=25°C; DVDD, AVDD2.7~3.6V, TVDD=2.7~5.5V; C
L
=20pF)
Parameter Symbol min typ max Units
Control Interface Timing (I
2
C Bus mode):
SCL Clock Frequency
Bus Free Time Between Transmissions
Start Condition Hold Time
(prior to first clock pulse)
Clock Low Time
Clock High Time
Setup Time for Repeated Start Condition
SDA Hold Time from SCL Falling (Note 7)
SDA Setup Time from SCL Rising
Rise Time of Both SDA and SCL Lines
Fall Time of Both SDA and SCL Lines
Setup Time for Stop Condition
Capacitive load on bus
fSCL
tBUF
tHD:STA
tLOW
tHIGH
tSU:STA
tHD:DAT
tSU:DAT
tR
tF
tSU:STO
Cb
-
4.7
4.0
4.7
4.0
4.7
0
250
-
-
4.0
-
100
-
-
-
-
-
-
-
1000
300
-
400
kHz
µs
µs
µ
s
µ
s
µs
µs
ns
ns
ns
µ
s
pF
Reset Timing
PDN Pulse Width
tPW
150
ns
Note 7. Data must be held for sufficient time to bridge the 300 ns transition time of SCL.
Note 8. I
2
C is a registered trademark of Philips Semiconductors.
Purchase of Asahi Kasei Microsystems Co., Ltd I
2
C components conveys a license under the Philips
I
2
C patent to use the components in the I
2
C system, provided the system conform to the I
2
C
specifications defined by Philips.
