BQ2040_15 Datasheet, PDF (29/36 Pages) Texas Instruments – Gas Gauge IC With SMBus Interface

Not Recommended For New Designs
AC Specifications
Symbol
Parameter
Min
FSMB
SMBus operating frequency
10
TBUF
Bus free time between stop and
start condition
4.7
THD:STA
Hold time after (repeated) start
condition
4.0
TSU:STA
Repeated start condition setup time 4.7
TSU:STO
Stop condition setup time
4.0
THD:DAT
Data hold time
300
TSU:DAT
Data setup time
250
TLOW
Clock low period
4.7
THIGH
Clock high period
4.0
TF
Clock/data fall time
TR
Clock/data rise time
TLOW:SEXT
Cumulative clock low extend time
(slave)
TTIMEOUT
25
Max Units
100 KHz
µs
µs
µs
µs
ns
ns
µs
µs
300
ns
1000
ns
25
ms
35
ms
bq2040
Notes
Bus Timing Data
SMBC
SMBD
t_SU:STA
t_SU:STO
t_HD:STA
t_BUF
t_R
t_LOW
t_SU:DAT
t_F
t_HIGH
t_HD:DAT
TD294501.eps
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