BQ27425-G1 Datasheet, PDF (6/32 Pages) Texas Instruments – System-Side Impedance Track™ Fuel Gauge With Integrated Sense Resistor

bq27425-G1
SLUSAI6 – NOVEMBER 2011
www.ti.com
EEPROM MEMORY CHARACTERISTICS
T_A = –40°C to 85°C; typical values at T_A = 25°C and V_REGIN = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
Array Size
Data retention⁽¹⁾
Programming write cycles⁽¹⁾
10
100K
(1) Specified by design. Not production tested
TYP MAX
256
UNIT
Bytes
Years
Cycles
I²C-COMPATIBLE INTERFACE COMMUNICATION TIMING CHARACTERISTICS
T_A = –40°C to 85°C; typical values at T_A = 25°C and V_REGIN = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP
t_r
SCL/SDA rise time
t_f
SCL/SDA fall time
t_w(H)
SCL pulse duration (high)
600
t_w(L)
SCL pulse duration (low)
1.3
t_su(STA)
Setup for repeated start
600
t_d(STA)
Start to first falling edge of SCL
600
t_su(DAT)
Data setup time
100
t_h(DAT)
Data hold time
0
t_su(STOP)
Setup time for stop
600
t_(BUF)
Bus free time between stop and start
66
f_SCL
Clock frequency
MAX
300
300
400
UNIT
ns
ns
ns
μs
ns
ns
ns
ns
ns
μs
kHz
t_SU(STA)
SCL
t_w(H)
t_w(L)
t_f
t_r
t_(BUF)
SDA
t_d(STA)
t_f
t_r
t_h(DAT)
t_su(DAT)
t_su(STOP)
REPEATED
START
STOP
START
Figure 1. I²C-Compatible Interface Timing Diagrams
6
Copyright © 2011, Texas Instruments Incorporated