參數(shù)資料
型號: MC14541B
廠商: ON SEMICONDUCTOR
英文描述: Programmable Timer(可編程定時器(16級))
中文描述: 可編程定時器(可編程定時器(16級))
文件頁數(shù): 3/10頁
文件大?。?/td> 114K
代理商: MC14541B
MC14541B
http://onsemi.com
3
V
DD
Vdc
Characteristic
Symbol
Unit
Min
Max
Min
Typ
(Note 2)
Max
Min
Max
Output Voltage
V
in
= V
DD
or 0
“0” Level
V
OL
5.0
10
15
0.05
0.05
0.05
0
0
0
0.05
0.05
0.05
0.05
0.05
0.05
Vdc
“1” Level
V
in
= 0 or V
DD
V
OH
5.0
10
15
4.95
9.95
14.95
4.95
9.95
14.95
5.0
10
15
4.95
9.95
14.95
Vdc
Input Voltage
(V
O
= 4.5 or 0.5 Vdc)
(V
O
= 9.0 or 1.0 Vdc)
(V
O
= 13.5 or 1.5 Vdc)
“0” Level
V
IL
5.0
10
15
1.5
3.0
4.0
2.25
4.50
6.75
1.5
3.0
4.0
1.5
3.0
4.0
Vdc
“1” Level
(V
O
= 0.5 or 4.5 Vdc)
(V
O
= 1.0 or 9.0 Vdc)
(V
O
= 1.5 or 13.5 Vdc)
V
IH
5.0
10
15
3.5
7.0
11
3.5
7.0
11
2.75
5.50
8.25
3.5
7.0
11
Vdc
Output Drive Current
(V
OH
= 2.5 Vdc)
(V
OH
= 9.5 Vdc)
(V
OH
= 13.5 Vdc)
Source
I
OH
5.0
10
15
– 7.96
– 4.19
– 16.3
– 6.42
– 3.38
– 13.2
– 12.83
– 6.75
– 26.33
– 4.49
– 2.37
9.24
mAdc
(V
OL
= 0.4 Vdc)
(V
OL
= 0.5 Vdc)
(V
OL
= 1.5 Vdc)
Sink
I
OL
5.0
10
15
1.93
4.96
19.3
1.56
4.0
15.6
3.12
8.0
31.2
1.09
2.8
10.9
mAdc
Input Current
I
in
15
±
0.1
±
0.00001
±
0.1
±
1.0
Adc
Input Capacitance
(V
in
= 0)
C
in
5.0
7.5
pF
Quiescent Current
(Pin 5 is High)
Auto Reset Disabled
I
DD
5.0
10
15
5.0
10
20
0.005
0.010
0.015
5.0
10
20
150
300
600
Adc
Auto Reset Quiescent Current
(Pin 5 is low)
I
DDR
10
15
250
500
30
82
250
500
1500
2000
Adc
Supply Current (Notes 3 & 4)
(Dynamic plus Quiescent)
I
D
5.0
10
15
I
D
= (0.4 A/kHz) f + I
DD
I
D
= (0.8 A/kHz) f + I
DD
I
D
= (1.2 A/kHz) f + I
DD
Adc
2. Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
3. The formulas given are for the typical characteristics only at 25 C.
4. When using the on chip oscillator the total supply current (in Adc) becomes: I
T
= I
D
+ 2 C
tc
V
DD
f x 10
–3
where I
D
is in A, C
tc
is in pF,
V
DD
in Volts DC, and f in kHz. (see Fig. 3) Dissipation during poweron with automatic reset enabled is typically 50 A @ V
DD
= 10 Vdc.
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