BQ20Z90_07 Datasheet, PDF (6/27 Pages) Texas Instruments – SBS 1.1-COMPLIANT GAS GAUGE ENABLED WITH IMPEDANCE TRACK™ TECHNOLOGY FOR USE WITH THE bq29330

bq20z90
SLUS662A – DECEMBER 2005 – REVISED JUNE 2006
OSCILLATOR (continued)
V_CC = 2.4 V to 2.6 V, T_A = –40°C to 85°C (unless otherwise noted)
PARAMETER
t_(LSXO) Start-up time ⁽⁵⁾
TEST CONDITIONS
(5) The start-up time is defined as the time it takes for the oscillator output frequency to be ± 3%.
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MIN TYP MAX UNIT
500 µs
DATA FLASH MEMORY CHARACTERISTICS
V_CC = 2.4 V to 2.6 V, T_A = –40°C to 85°C (unless otherwise noted)
PARAMETER
t_DR
Data retention
Flash programming write-cycles
t_(WORDPROG) Word programming time
I_(DDdPROG) Flash-write supply current
See ⁽¹⁾
See ⁽¹⁾
See ⁽¹⁾
See ⁽¹⁾
TEST CONDITIONS
(1) Assured by design. Not production tested
MIN
10
20,000
TYP MAX UNIT
Years
Cycles
2 ms
5
10 mA
REGISTER BACKUP
V_CC = 2.4 V to 2.6 V, T_A = –40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
I_(RB) RB data-retention input current
V_(RB) RB data-retention voltage⁽¹⁾
V_(RB) > V_(RBMIN), V_CC < V_IT-
V_(RB) > V_(RBMIN), V_CC < V_IT-, T_A = 0°C
to 50°C
(1) Specified by design. Not production tested.
MIN TYP MAX UNIT
1500 nA
40 160
1.7
V
6
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