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TPS65132_15 Datasheet, PDF (10/64 Pages) Texas Instruments – TPS65132 Single Inductor - Dual Output Power Supply
TPS65132
SLVSBM1G – JUNE 2013 – REVISED AUGUST 2015
www.ti.com
7.6 I2C Interface Timing Requirements / Characteristics (1)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
fSCL SCL clock frequency
Standard mode
Fast mode
100 kHz
400 kHz
tLOW LOW period of the SCL clock
Standard mode
4.7
µs
Fast mode
1.3
µs
tHIGH HIGH period of the SCL clock
Standard mode
4.0
µs
Fast mode
600
ns
Standard mode
4.7
µs
tBUF Bus free time between a STOP and START condition
Fast mode
1.3
µs
Standard mode
4.0
µs
thd;STA Hold time for a repeated START condition
Fast mode
600
ns
Standard mode
4.7
µs
tsu;STA Setup time for a repeated START condition
Fast mode
600
ns
tsu;DAT Data setup time
Standard mode
250
ns
Fast mode
100
ns
thd;DAT Data hold time
Standard mode
Fast mode
0.05
3.45 µs
0.05
0.9 µs
tRCL1
Rise time of SCL signal after a repeated START condition
and after an acknowledge bit
tRCL Rise time of SCL signal
tFCL Fall time of SCL signal
tRDA Rise time of SDA signal
tFDA Fall time of SDA signal
tsu;STO Setup time for STOP condition
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
20 +
0.1CB
20 +
0.1CB
20 +
0.1CB
20 +
0.1CB
20 +
0.1CB
20 +
0.1CB
20 +
0.1CB
20 +
0.1CB
20 +
0.1CB
20 +
0.1CB
4.0
600
1000 ns
1000 ns
1000 ns
300 ns
300 ns
300 ns
1000 ns
300 ns
300 ns
300 ns
µs
ns
CB
Capacitive load for SDA and SCL
0.4 nF
(1) Industry standard I2C timing characteristics acoording to I2C-Bus Specification, Version 2.1, January 2000. Not tested in production.
SDA
tf
SCL
S
tLOW
tr
tsu;DAT
tf
thd;STA
tr
tBUF
thd;STA
thd;DAT
HIGH
tsu;STA
Sr
tsu;STO
P
S
Figure 1. Serial Interface Timing For F/S-Mode
10
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