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| BQ34Z950 Datasheet, PDF (10/28 Pages) Texas Instruments – SBS 1.1-COMPLIANT GAS GAUGE AND PROTECTION ENABLED WITH IMPEDANCE TRACK WITH OPTIONAL DQ INTERFACE | |||
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bq34z950
SLUSBF0A â APRIL 2013 â REVISED MAY 2013
POWER ON RESET BEHAVIOR
VS
FREE-AIR TEMPERATURE
1.81
www.ti.com
1.8
1.79
1.78
1.77
1.76
-40 -20
0
20
40
60
80
TA - Free-Air Temperature - °C
DATA FLASH CHARACTERISTICS OVER RECOMMENDED OPERATING TEMPERATURE AND
SUPPLY VOLTAGE
Typical values at TA = 25°C and V(REG25) = 2.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
Data retention
10
Years
Flash programming write-cycles
t(ROWPROG) Row programming time
t(MASSERASE) Mass-erase time
t(PAGEERASE) Page-erase time
I(DDPROG) Flash-write supply current
I(DDERASE) Flash-erase supply current
RAM/REGISTER BACKUP
See (1)
20k
Cycles
2
ms
200
ms
20
ms
5
10
mA
5
10
mA
I(RB)
V(RB)
RB data-retention input current
RB data-retention input voltage(1)
V(RBI) > V(RBI)MIN , VREG25 < VITâ, TA = 85°C
V(RBI) > V(RBI)MIN , VREG25 < VITâ, TA = 25°C
1000 2500
nA
90 220
1.7
V
(1) Specified by design. Not production tested.
SMBus TIMING CHARACTERISTICS
TA = â40°C to 85°C Typical Values at TA = 25°C and VREG25 = 2.5 V (Unless Otherwise Noted)
PARAMETER
TEST CONDITIONS
MIN
f(SMB)
f(MAS)
SMBus operating frequency
SMBus master clock frequency
SLAVE mode, SMBC 50% duty cycle 10
MASTER mode, No clock low slave
extend
t(BUF)
Bus free time between start and stop
(see Figure 1)
4.7
t(HD:STA) Hold time after (repeated) start (see Figure 1)
4
t(SU:STA) Repeated start setup time (see Figure 1)
4.7
t(SU:STO) Stop setup time (see Figure 1)
4
t(HD:DAT)
Data hold time (see Figure 1)
RECEIVE mode
0
TRANSMIT mode
300
TYP MAX
100
51.2
UNIT
kHz
kHz
µs
µs
µs
µs
ns
10
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