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74HC4538D,653

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21
Nexperia
74HC4538
Dual retriggerable precision monostable multivibrator
74HC4538 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2017. All rights reserved.
Product data sheet Rev. 5 — 17 March 2017
13 / 21
R
EXT
(Ω)
10
3
10
6
10
5
10
4
001aak197
1.0
1.2
0.8
1.6
0.6
0.70
0.84
0.56
1.12
0.42
R
EXT
×
C
EXT
(t
W
)
normalized
K factor
(K)
> 100 nF
1 nF
V
CC
= 4.5 V; T
amb
= 25 °C.
Figure 12. Typical pulse width accuracy versus external resistance
001aak198
C
EXT
(F)
10
- 10
10
- 5
10
- 4
10
- 6
10
- 7
10
- 9
10
- 8
1.0
1.2
0.8
1.6
0.6
normalized
K factor
(K)
0.70
0.84
0.56
1.12
0.42
R
EXT
×
C
EXT
(t
W
)
R
EXT
+10 %
- 10 %
V
CC
= 4.5 V; R
EXT
= 10 kΩ; T
amb
= 25 °C.
Figure 13. Typical pulse width accuracy versus external capacitance
V
CC
(V)
1 5 642 3
001aak199
0.77
0.91
0.63
1.19
0.49
R
EXT
×
C
EXT
(t
W
)
1.1
1.3
0.9
1.7
0.7
normalized
K factor
(K)
5.6 kΩ
2 kΩ 1 kΩ
10 kΩ
1 MΩ
C
EXT
= 1 nF; T
amb
= 25 °C.
Figure 14. Typical pulse width accuracy versus power supply
Nexperia
74HC4538
Dual retriggerable precision monostable multivibrator
74HC4538 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2017. All rights reserved.
Product data sheet Rev. 5 — 17 March 2017
14 / 21
V
CC
(V)
1 5 642 3
001aak200
0.77
0.91
0.63
1.19
0.49
R
EXT
×
C
EXT
(t
W
)
1.1
1.3
0.9
1.7
0.7
normalized
K factor
(K)
5.6 kΩ
2 kΩ
1 kΩ
1 MΩ
C
EXT
= 100 nF; T
amb
= 25 °C.
Figure 15. Typical pulse width accuracy versus power supply
T
amb
(°C)
- 50 100 150500
001aak201
0.77
0.91
0.63
1.19
0.49
R
EXT
×
C
EXT
(t
W
)
1.1
1.3
0.9
1.7
0.7
normalized
K factor
(K)
5.6 kΩ
2 kΩ
1 kΩ
1 MΩ
V
CC
= 4.5 V; C
EXT
= 1 nF; T
amb
= 25 °C.
Figure 16. Typical pulse width accuracy versus temperature
T
amb
(°C)
- 50 100 150500
001aak202
0.77
0.91
0.63
1.19
0.49
R
EXT
×
C
EXT
(t
W
)
1.1
1.3
0.9
1.7
0.7
normalized
K factor
(K)
1 kΩ
2 kΩ
5.6 kΩ
1 MΩ
V
CC
= 4.5 V; C
EXT
= 1 μF; T
amb
= 25 °C.
Figure 17. Typical pulse width accuracy versus temperature
Nexperia
74HC4538
Dual retriggerable precision monostable multivibrator
74HC4538 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2017. All rights reserved.
Product data sheet Rev. 5 — 17 March 2017
15 / 21
12 Package outline
X
w M
θ
A
A
1
A
2
b
p
D
H
E
L
p
Q
detail X
E
Z
e
c
L
v M
A
(A )
3
A
8
9
1
16
y
pin 1 index
UNIT
A
max.
A
1
A
2
A
3
b
p
c D
(1)
E
(1) (1)
e H
E
L L
p
Q Zywv θ
REFERENCES
OUTLINE
VERSION
EUROPEAN
PROJECTION
ISSUE DATE
IEC JEDEC JEITA
mm
inches
1.75
0.25
0.10
1.45
1.25
0.25
0.49
0.36
0.25
0.19
10.0
9.8
4.0
3.8
1.27
6.2
5.8
0.7
0.6
0.7
0.3
8
0
o
o
0.25 0.1
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
Note
1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included.
1.0
0.4
SOT109-1
99-12-27
03-02-19
076E07 MS-012
0.069
0.010
0.004
0.057
0.049
0.01
0.019
0.014
0.0100
0.0075
0.39
0.38
0.16
0.15
0.05
1.05
0.041
0.244
0.228
0.028
0.020
0.028
0.012
0.01
0.25
0.01 0.004
0.039
0.016
0 2.5 5 mm
scale
SO16: plastic small outline package; 16 leads; body width 3.9 mm
SOT109-1
Figure 18. Package outline SOT109-1 (SO16)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21

74HC4538D,653

Mfr. #:
Buy 74HC4538D,653
Manufacturer:
Nexperia
Description:
Monostable Multivibrator DUAL RETRIG PRECISION MONOSTAT
Lifecycle:
New from this manufacturer.
Delivery:
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