Datasheet

bq3060
www.ti.com SLUS928A –MARCH 2009–REVISED NOVEMBER 2009
SMBus XL
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
f
SMBXL
SMBus XL operating frequency Slave mode 40 400 kHz
t
BUF
Bus free time between start and stop 4.7 μs
t
HD:STA
Hold time after (repeated) start 4 μs
t
SU:STA
Repeated start setup time 4.7 μs
t
SU:STO
Stop setup time 4 μs
t
TIMEOUT
Error signal/detect See
(1)
25 35 ms
t
LOW
Clock low period 1 1 μs
t
HIGH
Clock high period See
(2)
1 2 μs
(1) The bq3060 times out when any clock low exceeds t
TIMEOUT
(2) t
HIGH
, Max, is the minimum bus idle time. SMBC = SMBD = 1 for t > 50 μs causes reset of any transaction involving bq3060 that is in
progress. This specification is valid when the NC_SMB control bit remains in the default cleared state (CLK[0]=0). If NC_SMB is set then
the timeout is disabled.
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