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參數(shù)資料
| 型號： | ICM7556 |
| 廠商： | Intersil Corporation |
| 英文描述： | General Purpose Timers(通用定時器) |
| 中文描述： | 低功耗、通用定時器 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 287K |
| 代理商： | ICM7556 |
4
FN2867.9
August 24, 2006
Functional Diagram
Reset Voltage
V
RST
V
DD
= 2V to 15V
0.4
1.0
0.2
1.2
V
Reset Current
I
RST
V
DD
= 15V
10
50
nA
Discharge Leakage
I
DIS
V
DD
= 15V
10
50
nA
Output Voltage
V
OL
V
DD
= 15V, I
SINK
= 20mA
0.4
1.0
1.25
V
V
DD
= 5V, I
SINK
= 3.2mA
0.2
0.4
0.5
V
V
OH
V
DD
= 15V, I
SOURCE
= 0.8mA
14.3
14.6
14.2
V
V
DD
= 5V, I
SOURCE
= 0.8mA
4.0
4.3
3.8
V
Discharge Output Voltage
V
DIS
V
DD
= 5V, I
SINK
= 15mA
0.2
0.4
0.6
V
V
DD
= 15V, I
SINK
= 15mA
0.4
V
Supply Voltage (Note 3)
V
DD
Functional Operation
2.0
18.0
3.0
16.0
V
Output Rise Time (Note 3)
t
R
R
L
= 10M, C
L
= 10pF, V
DD
= 5V
75
ns
Output Fall Time (Note 3)
t
F
R
L
= 10M, C
L
= 10pF, V
DD
= 5V
75
ns
Oscillator Frequency
(Note 3)
f
MAX
V
DD
= 5V, R
A
= 470
Ω
, R
B
= 270
Ω
,
C = 200pF
1
MHz
NOTES:
3. These parameters are based upon characterization data and are not tested.
4. Applies only to military temperature range product (M suffix).
Electrical Specifications
Applies to ICM7555 and ICM7556, unless otherwise specified
(Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
T
A
= +25°C
(NOTE 4)
-55°C TO
+
125°C
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
+
-
THRESHOLD
6
5
CONTROL
VOLTAGE
3
1
+
-
TRIGGER
2
COMPARATOR
B
R
GND
COMPARATOR
A
R
V
DD
8
OUTPUT
7
1
n
DISCHARGE
OUTPUT
DRIVERS
FLIP-FLOP
RESET
4
R
NOTE:
This functional diagram reduces the circuitry down to its simplest equivalent components. Tie down unused inputs.
TRUTH TABLE
THRESHOLD VOLTAGE
TRIGGER VOLTAGE
RESET
OUTPUT
DISCHARGE SWITCH
Don’t Care
Don’t Care
Low
Low
On
>
2
/
3
(V+)
>
1
/
3
(V+)
High
Low
On
<
2
/
3
(V+)
>
1
/
3
(V+)
High
Stable
Stable
Don’t Care
<
1
/
3
(V+)
High
High
Off
NOTE: RESET will dominate all other inputs: TRIGGER will dominate over THRESHOLD.
ICM7555, ICM7556
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| ICM7556CJD | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| ICM7556CPA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
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