74HC4538DB Ver la hoja de datos (PDF) - NXP Semiconductors.
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fabricante
74HC4538DB Datasheet PDF : 24 Pages
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NXP Semiconductors
74HC4538; 74HCT4538
Dual retriggerable precision monostable multivibrator
1.7
normalized
K factor
(K)
1.3
1.1
0.9
1 kΩ
2 kΩ
5.6 kΩ
1 MΩ
0.7
1
2
3
4
CEXT = 100 nF; Tamb = 25 °C.
Fig 15. Typical pulse width accuracy versus power supply
001aak200 1.19
REXT ×
CEXT
(tW)
0.91
0.77
0.63
0.49
5
6
VCC (V)
1.7
normalized
K factor
(K)
1.3
1.1
0.9
0.7
−50
0
50
VCC = 4.5 V; CEXT = 1 nF; Tamb = 25 °C.
Fig 16. Typical pulse width accuracy versus temperature
001aak201
1.19
1 kΩ
2 kΩ
5.6 kΩ
1 MΩ
REXT ×
CEXT
(tW)
0.91
0.77
0.63
0.49
100
150
Tamb (°C)
1.7
normalized
K factor
(K)
1.3
1.1
0.9
0.7
−50
0
50
VCC = 4.5 V; CEXT = 1 µF; Tamb = 25 °C.
Fig 17. Typical pulse width accuracy versus temperature
001aak202
1.19
REXT ×
CEXT
(tW)
0.91
0.77
1 kΩ
2 kΩ 0.63
5.6 kΩ
1 MΩ
0.49
100
150
Tamb (°C)
74HC_HCT4538_3
Product data sheet
Rev. 03 — 8 June 2009
© NXP B.V. 2009. All rights reserved.
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