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MC14538B Datasheet(PDF) 2 Page - Motorola, Inc

Part No. MC14538B
Description  DUAL PRECISION RETRIGGERABLE / RESETTABLE MONOSTABLE MULTIVIBRATOR
Download  10 Pages
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Maker  MOTOROLA [Motorola, Inc]
Homepage  http://www.freescale.com
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MC14538B Datasheet(HTML) 2 Page - Motorola, Inc

 
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MOTOROLA CMOS LOGIC DATA
MC14538B
2
ELECTRICAL CHARACTERISTICS (Voltages Referenced to VSS)
Characteristic
Symbol
VDD
Vdc
– 55
_C
25
_C
125
_C
Unit
Characteristic
Symbol
DD
Vdc
Min
Max
Min
Typ #
Max
Min
Max
Unit
Output Voltage
“0” Level
Vin = VDD or 0
VOL
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
Vin = 0 or VDD
VOH
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
“0” Level
(VO = 4.5 or 0.5 Vdc)
(VO = 9.0 or 1.0 Vdc)
(VO = 13.5 or 1.5 Vdc)
VIL
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
(VO = 0.5 or 4.5 Vdc)
(VO = 1.0 or 9.0 Vdc)
(VO = 1.5 or 13.5 Vdc)
VIH
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
(VOH = 2.5 Vdc)
Source
(VOH = 4.6 Vdc)
(VOH = 9.5 Vdc)
(VOH = 13.5 Vdc)
IOH
5.0
5.0
10
15
– 3.0
– 0.64
– 1.6
– 4.2
– 2.4
– 0.51
– 1.3
– 3.4
– 4.2
– 0.88
– 2.25
– 8.8
– 1.7
– 0.36
– 0.9
– 2.4
mAdc
(VOL = 0.4 Vdc)
Sink
(VOL = 0.5 Vdc)
(VOL = 1.5 Vdc)
IOL
5.0
10
15
0.64
1.6
4.2
0.51
1.3
3.4
0.88
2.25
8.8
0.36
0.9
2.4
mAdc
Input Current, Pin 2 or 14
Iin
15
±0.05
±0.00001
±0.05
±0.5
µAdc
Input Current, Other Inputs
Iin
15
±0.1
±0.00001
±0.1
±1.0
µAdc
Input Capacitance, Pin 2 or 14
Cin
25
pF
Input Capacitance, Other Inputs
(Vin = 0)
Cin
5.0
7.5
pF
Quiescent Current
(Per Package)
Q = Low, Q = High
IDD
5.0
10
15
5.0
10
20
0.005
0.010
0.015
5.0
10
20
150
300
600
µAdc
Quiescent Current, Active State
(Both) (Per Package)
Q = High, Q = Low
IDD
5.0
10
15
2.0
2.0
2.0
0.04
0.08
0.13
0.20
0.45
0.70
2.0
2.0
2.0
mAdc
**Total Supply Current at an
external load capacitance (CL) and
at external timing network (RX, CX)
IT
5.0
10
IT = (3.5 x 10–2) RXCXf + 4CXf + 1 x 10–5 CLf
IT = (8.0 x 10–2) RXCXf + 9CXf + 2 x 10–5 CLf
IT = (1.25 x 10–1) RXCXf + 12CXf + 3 x 10–5 CLf
where: IT in µA (one monostable switching only),
where: CX in µF, CL in pF, RX in k ohms, and
where: f in Hz is the input frequency.
µAdc
#Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
** The formulas given are for the typical characteristics only at 25
_C.
This device contains protection circuitry to guard against damage due to high static voltages or electric fields. However,
precautions must be taken to avoid applications of any voltage higher than maximum rated voltages to this high-impedance
circuit. For proper operation, Vin and Vout should be constrained to the range VSS ≤ (Vin or Vout) ≤ VDD.
Unused inputs must always be tied to an appropriate logic voltage level (e.g., either VSS or VDD). Unused outputs must
be left open.


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