参数资料
型号: BQ3285LDSSTRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: XO, clock
英文描述: REAL TIME CLOCK, PDSO24
封装: 0.150 INCH, GREEN, PLASTIC, SSOP-24
文件页数: 5/27页
文件大小: 170K
代理商: BQ3285LDSSTRG4
13
bq3285ED/LD
July 1997
DC Electrical Characteristics—bq3285ED (T
A =TOPR,VCC = 5V)
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 and INT 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
ICCSB
Standby supply current
-
300
-
A
VIN =VSS or VCC,
CS
≥ VCC - 0.2
VSO
Supply switch-over voltage
-
V
BC
-V
ICCB
Battery operation current
-
0.4
0.55
AV
BC =3V, TA = 25°C
VPFD
Power-fail-detect voltage
4.0
4.17
4.35
V
IRCL
Input current when RCL =VSS.
-
185
A
Internal 30K pull-up
IMOTH
Input current when MOT = VCC
-
-185
A
Internal 30K pull-down
Input current when MOT = VSS
--
0
A
Internal 30K pull-down
IXTRAM
Input current when EXTRAM =
VCC
-
-185
A
Internal 30K pull-down
Input current when EXTRAM =
VSS
--
0
A
Internal 30K pull-down
Note:
Typical values indicate operation at TA = 25°C, VCC =5VorVBC =3V.
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