参数资料
型号: BQ3285EQ
厂商: TEXAS INSTRUMENTS INC
元件分类: XO, clock
英文描述: 1 TIMER(S), REAL TIME CLOCK, PQCC28
封装: PLASTIC, LCC-28
文件页数: 5/30页
文件大小: 1097K
代理商: BQ3285EQ
13
Apr. 1999 D
DC Electrical Characteristics—bq3285E (T
A = 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
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
-
0.3
0.5
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 = 5V or VBC = 3V.
bq3285E/L
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