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| BQ27620-G1 Datasheet, PDF (8/45 Pages) Texas Instruments – System-Side Impedance Track™ Fuel Gauge | |||
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bq27620-G1
SLUSAE3 â OCTOBER 2012
www.ti.com
3.9 DATA FLASH MEMORY CHARACTERISTICS
TA = â40°C to 85°C, 2.4 V < VCC < 2.6 V; typical values at TA = 25°C and VCC = 2.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
tDR
Data retention(1)
10
Flash-programming write
cycles (1)
20,000
tWORDPROG
ICCPROG
tDFERASE
Word programming time(1)
Flash-write supply current(1)
Data flash master erase time(1)
2
5
10
200
tIFERASE
Instruction flash master erase
200
time (1)
tPGERASE
Flash page erase time(1)
20
(1) Specified by design. Not production tested
UNIT
Years
Cycles
ms
mA
ms
ms
ms
3.10 I2C-COMPATIBLE INTERFACE COMMUNICATION TIMING CHARACTERISTICS
TA = â40°C to 85°C, 2.4 V < VCC < 2.6 V; typical values at TA = 25°C and VCC = 2.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
tr
tf
tw(H)
tw(L)
tsu(STA)
td(STA)
tsu(DAT)
th(DAT)
tsu(STOP)
t(BUF)
fSCL
SCL/SDA rise time
SCL/SDA fall time
SCL pulse duration (high)
SCL pulse duration (low)
Setup for repeated start
Start to first falling edge of SCL
Data setup time
Data hold time
Setup time for stop
Bus free time between stop and
start
Clock frequency (1)
300 ns
300 ns
600
ns
1.3
μs
600
ns
600
ns
100
ns
0
ns
600
ns
66
μs
400 kHz
(1) If the clock frequency (fSCL) is > 100 kHz, use 1-byte write commands for proper operation. All other transactions types are supported at
400 kHz. (Refer to Section 7.1 and Section 7.3)
Figure 3-1. I2C-Compatible Interface Timing Diagrams
8
ELECTRICAL SPECIFICATIONS
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Product Folder Links: bq27620-G1
Copyright © 2012, Texas Instruments Incorporated
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