Datasheet

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bq27010 , bq27210
SLUS707B – APRIL 2006 – REVISED JANUARY 2007
ELECTRICAL CHARACTERISTICS (continued)
over operating free-air temperature range and supply voltage range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
STANDARD HDQ SERIAL COMMUNICATION TIMING (bq27010 only)
t
(B)
Break timing 190
t
(BR)
Break recovery 40
t
(CYCH)
Host bit window 190
t
(HW1)
Host sends 1 0.5 50
t
(HW0)
Host sends 0 86 145 µs
t
(RSPS)
bqJUNIOR to host response 190 320
t
(CYCD)
bqJUNIOR bit window 190 250
t
(DW1)
bqJUNIOR sends 1 32 50
t
(DW0)
bqJUNIOR sends 0 80 145
STANDARD I
2
C SERIAL COMMUNICATION TIMING (bq27210 only - Product Preview Data)
t
r
SCL/SDA rise time 1 µs
t
f
SCL/SDA fall time 300 ns
t
w(H)
SCL pulse width (high) 4
t
w(L)
SCL pulse width (low) 4.7
µs
t
su(STA)
Setup for repeated start 4.7
t
d(STA)
Start to first falling edge of SCL 4
t
su(DAT)
Data setup time 250
ns
t
h(DAT)
Data hold time 300
t
su(STOP)
Setup time for stop 4
µs
t
(BUF)
Bus free time between stop and start 4.7
f
(SCL)
Clock frequency 100 kHz
t
(BUSERR)
Bus error timeout 17.3 21.2 s
4
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