參數(shù)資料
型號(hào): BQ4285LSNTR
廠(chǎng)商: TEXAS INSTRUMENTS INC
元件分類(lèi): XO, clock
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO24
封裝: 0.300 INCH, PLASTIC, SOIC-24
文件頁(yè)數(shù): 6/30頁(yè)
文件大小: 1497K
代理商: BQ4285LSNTR
14
Jan. 1999 B
DC Electrical Characteristics—bq4285E (TA = TOPR, VCC = 5V ± 10%)
Symbol
Parameter
Minimum
Typical
Maximum
Unit
Conditions/Notes
ILI
Input leakage current
-
± 1
AVIN = VSS to VCC
ILO
Output leakage current
-
± 1
A
AD0–AD7, INT, and SQW
in high impedance,
VOUT = VSS to VCC
VOH
Output high voltage
2.4
-
V
IOH = -2.0 mA
VOL
Output low voltage
-
0.4
V
IOL = 4.0 mA
ICC
Operating supply current
-
7
15
mA
Min. cycle, duty = 100%,
IOH = 0mA, IOL = 0mA
VSO
Supply switch-over voltage
-
V
BC
-V
ICCB
Battery operation current
-
0.3
0.5
A
VBC = 3V, TA = 25°C, no
load on VOUT or CEOUT
ICCSB
Standby supply current
-
300
-
A
VIN = VCC or VSS,
CS
≥ VCC - 0.2,
no load on VOUT
VPFD
Power-fail-detect voltage
4.0
4.17
4.35
V
VOUT1
VOUT voltage
VCC - 0.3V
-
V
IOUT = 100mA, VCC >VBC
VOUT2
V
OUT voltage
VBC - 0.3V
IOUT = 100
A, VCC < VBC
IMOTH
Input current when MOT = VCC
-
-275
A
Internal 20K pull-down
ICE
Chip enable input current
-
100
A
Internal 50K pull-up
Note:
Typical values indicate operation at TA = 25°C, VCC = 5V or VBC = 3V.
bq4285E/L
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