LMH0303 Datasheet, PDF (7/27 Pages) National Semiconductor (TI) – 3 Gbps HD/SD SDI Cable Driver with Cable Detect

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6.7 Timing Requirements
f_SMB
t_BUF
t_HD:STA
t_SU:STA
t_SU:STO
t_HD:DAT
t_SU:DAT
t_LOW
t_HIGH
t_F
t_R
t_POR
Bus operating frequency
Bus free time between stop and start condition
Hold time after (repeated) start condition.
After this period, the first clock is generated; at I_SPULLUP = MAX
Repeated start condition setup time
Stop condition setup time
Data hold time
Data setup time
Clock low period
Clock high period
Clock or data fall time
Clock or data rise time
Time in which device must be operational after power on
LMH0303
SNLS285H – APRIL 2008 – REVISED MAY 2016
MIN
NOM
MAX UNIT
10
100 kHz
4.7
µs
4
µs
4.7
µs
4
µs
300
ns
250
ns
4.7
µs
4
50
µs
300
ns
1000
ns
500 ms
t_LOW
t_R
t_BUF
t_HD:STA
t_HD:DAT
t_HIGH
t_F
t_SU:STA
t_SU:DAT
SP
ST
ST
Figure 1. SMBus Timing Parameters
t_SU:STO
SP
SCL
SDA
6.8 Typical Characteristics
Typical device characteristics at T_A = 25°C and V_CC = 3.3 V (unless otherwise noted)
100 ps/DIV
Figure 2. SDO PRBS10 at 2.97 Gbps
200 ps/DIV
Figure 3. SDO PRBS10 at 1.485 Gbps
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