BQ29311_15 Datasheet, PDF (7/24 Pages) Texas Instruments – FOUR-CELL LITHIUM-ION

Not Recommended for New Designs
www.ti.com
bq29311
SLUS487D − DECEMBER 2001 − REVISED NOVEMBER 2003
AC TIMING SPECIFICATIONS (I²C COMPATIBLE SERIAL INTERFACE)
tsu(STA)
SCLK
tw(H)
SDATA
SCLK
SDATA
Start
Condition
th(STA)
SDA
Input
th(DAT)
1
2
3
MSB
Start Condition
SCLK
SDATA
1
2
3
MSB
tw(L) tf
tr
tr
tf
SDA
Change
tsu(DAT)
Stop
Condition
th(ch)
7
8
9
tv
7
ACK
tsu(STOP)
8
9
ACK
Stop Condition
tsu(BUF)
tr
tf
tr(SDA)
tf(SDA)
tsu(STA)
tw(H)
th(STA)
th(DAT)
tw(L)
tsu(DAT)
tsu(STOP)
tsu(BUF)
tv
th(CH)
f(CLK)
PARAMETER
Clock rise time
Clock fall time
SDA rise time
SDA fall time
Clock high to input transition setup time
Clock pulse width high
Input low to clock low hold time start condition
Clock low to input transition hold time
Clock pulse width low
Input transition to clock transition setup time
Clock high to input high (STOP) setup time stop condition
Input high to input low (bus free)
Clock low to data out valid time
Data out hold time after clock low
Clock frequency
MIN MAX UNIT
300 ns
300 ns
20 300 ns
20 300 ns
600
ns
600
ns
600
ns
0
µs
1.3
µs
100
ns
600
ns
1.3
µs
200 900 ns
200
ns
100 kHz
7