XR18W753
REV. 1.0.0
SINGLE CHIP 868MHZ TO 956MHZ RF TRANSCEIVER
AC ELECTRICAL CHARACTERISTICS - I2C-BUS TIMING SPECIFICATIONS
Unless otherwise noted: TA=-40 o to +85 o C, VDD=2.2 - 3.6V
S TANDARD M ODE
F AST M ODE
S YMBOL
P ARAMETER
I2C-B US
I2C-B US
U NIT
M IN
T YP
M AX
M IN
T YP
M AX
f SCL
T BUF
T HD;STA
T SU;STA
T HD;DAT
T VD;ACK
T VD;DAT
T SU;DAT
T LOW
T HIGH
T F
T R
T SP
T D15
Operating frequency
Bus free time between STOP and START
START condition hold time
START condition setup time
Data hold time
Data valid acknowledge
SCL LOW to data out valid
Data setup time
Clock LOW period
Clock HIGH period
Clock/data fall time
Clock/data rise time
Pulse width of spikes tolerance
SCL delay after reset
4.7
4.0
4.7
0
250
4.7
4.0
3
0.5
100
0.6
0.6
300
1000
1.3
0.6
0.6
0
150
1.3
0.6
3
0.5
400
0.6
0.6
300
300
kHz
μ s
μ s
μ s
ns
μ s
ns
ns
μ s
μ s
ns
ns
μ s
μ s
F IGURE 7. SCL D ELAY A FTER R ESET
RESET#
T D15
SCL
21
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