Document Number: 001-53146 Rev. *F Page 10 of 17
Typical Output Characteristics
Figure 8. 2.5-V Supply and Termination to V
DD
–1.5 V, minimum V
DD
and maximum T
A
I
2
C Bus Timing Specifications
The I
2
C Bus Timing Specifications for part CY2XF24 are as follows
[5]
Parameter Description Min Max Unit
f
SCLK
SCLK frequency – 100 kHz
t
HD:STA
Start mode time from SDA LOW to SCLK LOW 4 – s
t
LOW
SCLK LOW period 4.7 – s
t
HIGH
SCLK HIGH period 4–s
t
SU:DAT
Input data setup (SDA transition to SCLK rising edge) 1000 – ns
t
HD:DAT
Input data hold (SCLK falling edge to SDA transition) 0 – ns
t
HD:DO
Output data hold (SCLK falling edge to SDA transition) 200 – ns
t
SR
Rise time of SCLK and SDA – 300 ns
t
SF
Fall time of SCLK and SDA – 300 ns
t
SU:STO
Stop mode time from SCLK HIGH to SDA HIGH 4 – s
t
BUF
Stop mode to Start mode 4.7 – s
1.20
1.25
1.30
1.35
1.40
0 100 200 300 400 500 600 700
Frequency (MHz)
V
OCM
(V)
0.4
0.5
0.6
0.7
0.8
0.9
0 100 200 300 400 500 600 700
Frequency (MHz)
Swing (V)
