參數(shù)資料
型號(hào): BQ20Z80DBT-V101
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO38
封裝: GREEN, PLASTIC, TSSOP-38
文件頁(yè)數(shù): 45/73頁(yè)
文件大?。?/td> 1094K
代理商: BQ20Z80DBT-V101
www.ti.com
PLL SWITCHING CHARACTERISTICS
OSCILLATOR
DATA FLASH MEMORY CHARACTERISTICS
REGISTER BACKUP
bq20z80-V101
SLUS625D – SEPTEMBER 2004 – REVISED OCTOBER 2005
V
DD = 3 V to 3.6 V, TA = –40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
t(SP)
Start-up time (1)
0.5% frequency error
2
5
ms
(1)
The frequency error is measured from the trimmed frequency of the internal system clock which is 128 oscillator frequency, nominally
4.194 MHz.
V
DD = 3 V to 3.6 V, TA = –40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ROSC = 100 k
–2%
0.25%
2%
f(exo)
Frequency error from 32.768 kHz
ROSC = 100 k
, V
DD = 3.3 V
–1%
0.25%
1%
XCK1 = 12-pF XTAL
–0.25%
0.25%
f(sxo)
Start-up time (1)
ROSC = 100 k
250
s
XCK1 = 12-pF XTAL
200
ms
(1)
The start-up time is defined as the time it takes for the oscillator output frequency to be within 1% of the specified frequency.
V
DD = 3 V to 3.6 V, TA = –40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
tDR
Data retention
(1)10
Years
Flash programming write-cycles
(1)
20,000
Cycles
t(WORDPROG)
Word programming time
(1)
2
ms
I(DDPROG)
Flash-write supply current
(1)
8
15
mA
(1)
Assured by design. Not production tested
V
DD = 3 V to 3.6 V, TA = –40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
I(RBI)
RBI data-retention input current
V(RBI) > 3 V, VDD < VIT
10
100
nA
V(RBI)
RBI data-retention voltage(1)
1.3
V
(1)
Specified by design. Not production tested.
5
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