ACT2803
Rev 1, May-12-2016
ELECTRICAL CHARACTERISTICS
(VIN = 5V, TA = 25°C, unless otherwise specified.)
PARAMETER
SCL, SDA Input Low
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
VCC= 5V
VCC= 5V
SDA=5V
IOL = 5mA
0.4
SCL, SDA Input High
1.25
V
SDA Leakage Current
SDA Output Low
1
µA
V
0.35
1000
SCL Clock Frequency, fSCL
SCL Low Period, tLOW
0
0.5
0.26
50
kHz
µs
µs
ns
ns
ns
ns
pF
ns
ns
SCL High Period, tHIGH
SDA Data Setup Time, tSU
SDA Data Hold Time, tHD
Start Setup Time, tST
See Note: 1
0
For Start Condition
For Stop Condition
260
260
Stop Setup Time, tSP
Capacitance on SCL or SDA Pin
SDA Fall Time SDA, Tof
Rise Time of both SDA and SCL, tr
10
Device requirement
See Note: 3
120
120
Fall Time of both SDA and SCL, tf
See Note: 3
120
50
ns
ns
Pulse Width of spikes must be sup-
pressed on SCL and SDA
0
Notes: 1. Comply to I2C timings for 1MHIZ operation - “Fast Mode Plus”
2. No internal timeout for I2C operations
3. This is a I2C system specification only. Rise and Fall time of SCL & SDA not controlled by the device.
4. Device Address is 7’h5A - Read Address is 8’hB4 and write is 8’hB5
tSCL
SCL
tST
tHD
tSU
tSP
SDA
Start
Stop
condition
condition
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