BQ2023 Datasheet, PDF (6/27 Pages) Texas Instruments – SINGLE-WIRE ADVANCED BATTERY MONITOR IC FOR CELLULAR AND PDA APPLICATIONS

bq2023
SINGLEĆWIRE ADVANCED BATTERY MONITOR IC
FOR CELLULAR AND PDA APPLICATIONS
SLUS480B – MAY 2001
timing requirements (continued)
V(PU)
VIHmin
VILmax
t(REC)
t(LOW0)
t(SLOT)
Figure 2. SDQ Write Bit-ZERO Timing Diagram
15 µS
V(PU)
VIHmin
VILmax
t(LOWR)
t(RDV)
t(SLOT)
Figure 3. SDQ Read Bit-One Timing Diagram
VPU
VIHmin
15 µS
t(REC)
VILmax
t(LOWR)
t(REL)
t(RDV)
t(SLOT)
Figure 4. SDQ Read Bit-Zero Timing Diagram
V(PU)
VIHmin
VILmax
t(RSTH)
t(R)
t(PDL)
t(RSTL)
t(PDH)
Figure 5. SDQ RESET Timing Diagram
t(REC)
6
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