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| BQ20Z60-R1 Datasheet, PDF (7/15 Pages) Texas Instruments – SBS 1.1-COMPLIANT GAS GAUGE ENABLED WITH IMPEDANCE TRACK™ TECHNOLOGY FOR USE WITH THE bq29330 | |||
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bq20z60-R1
SLUS991 â DECEMBER 2009
SMBus TIMING SPECIFICATIONS (continued)
VCC = 2.4 V to 2.6 V, TA = â40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
tLOW:SEXT Cumulative clock low slave extend time See (3)
tLOW:MEXT Cumulative clock low master extend time See (4)
tF
Clock/data fall time
(VILMAX â 0.15 V) to (VIHMIN + 0.15 V)
tR
Clock/data rise time
0.9 VCC to (VILMAX â 0.15 V)
MIN
TYP
MAX UNIT
25
ms
10
300
ns
1000
(3) tLOW:SEXT is the cumulative time a slave device is allowed to extend the clock cycles in one message from initial start to the stop.
(4) tLOW:MEXT is the cumulative time a master device is allowed to extend the clock cycles in one message from initial start to the stop.
SMBus TIMING DIAGRAM
tSU(STO)
SMBC
tR
tBUF
tF
tHD(STA)
SMBC
tF
tR
tHIGH
tLOW
SMBD
P
S
Start and Stop condition
SMBD
SMBC
tTIMEOUT
SMBC
SMBD
SMBD
Timeout condition
A. SCLKACK is the acknowledge related clock pulse generated by the master.
tHD(DAT)
Wait and Hold condition
tSU(DAT)
tSU(STA)
S
Repeated Start condition
Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s) :bq20z60-R1
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