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74HCT4538PW,118

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
7 / 21
9 Static characteristics
Table 6. Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
25 °C -40 °C to +85 °C -40 °C to +125 °CSymbol Parameter Conditions
Min Typ Max Min Max Min Max
Unit
V
CC
= 2.0 V 1.5 1.2 - 1.5 - 1.5 - V
V
CC
= 4.5 V 3.15 2.4 - 3.15 - 3.15 - V
V
IH
HIGH-level
input voltage
V
CC
= 6.0 V 4.2 3.2 - 4.2 - 4.2 - V
V
CC
= 2.0 V - 0.8 0.5 - 0.5 - 0.5 V
V
CC
= 4.5 V - 2.1 1.35 - 1.35 - 1.35 V
V
IL
LOW-level
input voltage
V
CC
= 6.0 V - 2.8 1.8 - 1.8 - 1.8 V
V
I
= V
IH
or V
IL
I
O
= -20 μA; V
CC
= 2.0 V 1.9 2.0 - 1.9 - 1.9 - V
I
O
= -20 μA; V
CC
= 4.5 V 4.4 4.5 - 4.4 - 4.4 - V
I
O
= -20 μA; V
CC
= 6.0 V 5.9 6.0 - 5.9 - 5.9 - V
I
O
= -4.0 mA; V
CC
= 4.5 V 3.98 4.32 - 3.84 - 3.7 - V
V
OH
HIGH-level
output voltage
I
O
= -5.2 mA; V
CC
= 6.0 V 5.48 5.81 - 5.34 - 5.2 - V
V
I
= V
IH
or V
IL
I
O
= 20 μA; V
CC
= 2.0 V - 0 0.1 - 0.1 - 0.1 V
I
O
= 20 μA; V
CC
= 4.5 V - 0 0.1 - 0.1 - 0.1 V
I
O
= 20 μA; V
CC
= 6.0 V - 0 0.1 - 0.1 - 0.1 V
I
O
= 4.0 mA; V
CC
= 4.5 V - 0.15 0.26 - 0.33 - 0.4 V
V
OL
LOW-level
output voltage
I
O
= 5.2 mA; V
CC
= 6.0 V - 0.16 0.26 - 0.33 - 0.4 V
V
I
= V
CC
or GND;
V
CC
= 6.0 V
- - ±0.1 - ±1 - ±1 μAI
I
input leakage
current
pin nREXT/CEXT;
V
I
= 2.0 V or GND;
other inputs at V
CC
or GND;
V
CC
= 6.0 V
[1]
- - ±50 - ±500 - ±500 nA
I
CC
supply current V
I
= V
CC
or GND; I
O
= 0 A;
V
CC
= 6.0 V
- - 8.0 - 80 - 160 μA
C
I
input
capacitance
- 3.5 - - - - - pF
[1] This measurement can only be carried out after a trigger pulse is applied.
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
8 / 21
10 Dynamic characteristics
Table 7. Dynamic characteristics
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 9.
25 °C -40 °C to
+85 °C
-40 °C to
+125 °C
Symbol Parameter Conditions
Min Typ
[1]
Max Min Max Min Max
Unit
nA, nB to nQ; see Figure 7
V
CC
= 2.0 V - 85 265 - 330 - 400 ns
V
CC
= 4.5 V - 31 53 - 66 - 80 ns
V
CC
= 5.0 V; C
L
= 15 pF - 27 - - - - - ns
V
CC
= 6.0 V - 25 45 - 56 - 68 ns
nCD to nQ; see Figure 7
V
CC
= 2.0 V - 83 265 - 340 - 400 ns
V
CC
= 4.5 V - 30 53 - 68 - 80 ns
t
PLH
LOW to HIGH
propagation
delay
V
CC
= 6.0 V - 24 45 - 58 - 68 ns
nA, nB to nQ; see Figure 7
V
CC
= 2.0 V - 83 265 - 330 - 400 ns
V
CC
= 4.5 V - 30 53 - 66 - 80 ns
V
CC
= 5.0 V; C
L
= 15 pF - 27 - - - - - ns
V
CC
= 6.0 V - 24 45 - 56 - 68 ns
nCD to nQ; see Figure 7
V
CC
= 2.0 V - 80 265 - 330 - 400 ns
V
CC
= 4.5 V - 29 53 - 66 - 80 ns
t
PHL
HIGH to LOW
propagation
delay
V
CC
= 6.0 V - 23 45 - 56 - 68 ns
nQ and nQ; see Figure 7
[2]
V
CC
= 2.0 V - 19 75 - 95 - 119 ns
V
CC
= 4.5 V - 7 15 - 19 - 22 ns
t
t
transition time
V
CC
= 6.0 V - 6 13 - 16 - 19 ns
nA LOW; see Figure 8
V
CC
= 2.0 V 80 17 - 100 - 120 - ns
V
CC
= 4.5 V 16 6 - 20 - 24 - ns
V
CC
= 6.0 V 14 5 - 17 - 20 - ns
nB HIGH; see Figure 8
V
CC
= 2.0 V 80 17 - 100 - 120 - ns
V
CC
= 4.5 V 16 6 - 20 - 24 - ns
V
CC
= 6.0 V 14 5 - 17 - 20 - ns
nCD LOW; see Figure 8
t
W
pulse width
V
CC
= 2.0 V 80 19 - 100 - 120 - ns
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
9 / 21
25 °C -40 °C to
+85 °C
-40 °C to
+125 °C
Symbol Parameter Conditions
Min Typ
[1]
Max Min Max Min Max
Unit
V
CC
= 4.5 V 16 7 - 20 - 24 - ns
V
CC
= 6.0 V 14 6 - 17 - 20 - ns
nQ and nQ HIGH or LOW;
see Figure 8
V
CC
= 5.0 V;
C
EXT
= 0.1 μF;
R
EXT
= 10 kΩ
630 700 770 602 798 595 805 μs
nCD to nA, nB;
see Figure 8
V
CC
= 2.0 V 35 6 - 45 - 55 - ns
V
CC
= 4.5 V 7 2 - 9 - 11 - ns
t
rec
recovery time
V
CC
= 6.0 V 6 2 - 8 - 9 - ns
nA, nB; see Figure 8;
X = C
EXT
/ (4.5 × V
CC
)
V
CC
= 2.0 V - 455+X - - - - - ns
V
CC
= 4.5 V - 80+X - - - - - ns
t
rtrig
retrigger time
V
CC
= 6.0 V - 55+X - - - - - ns
V
CC
= 2.0 V 10 - 1000 - - - - kΩR
EXT
external
timing
resistor
V
CC
= 5.0 V 2 - 1000 - - - - kΩ
C
EXT
external
timing
capacitor
no limits
C
PD
power
dissipation
capacitance
per multivibrator;
V
I
= GND to V
CC
[3]
- 136 - - - - - pF
[1] Typical values are measured at nominal supply voltage (V
CC
= 3.3 V and V
CC
= 5.0 V).
[2] t
t
is the same as t
THL
and t
TLH
.
[3] C
PD
is used to determine the dynamic power dissipation (P
D
in μW).
P
D
= C
PD
× V
CC
2
× f
i
+ Σ(C
L
× V
CC
2
× f
o
) + 0.48 × C
EXT
× V
CC
2
× f
o
+ D × 0.8 × V
CC
where:
f
i
= input frequency in MHz;
f
o
= output frequency in MHz;
Σ(C
L
× V
CC
2
× f
o
) = sum of the outputs;
C
L
= output load capacitance in pF;
V
CC
= supply voltage in V;
D = duty cycle factor in %;
C
EXT
= external timing capacitance in pF.
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21

74HCT4538PW,118

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Buy 74HCT4538PW,118
Manufacturer:
Nexperia
Description:
Monostable Multivibrator DUAL RETRIG PRECSION MONOSTAB
Lifecycle:
New from this manufacturer.
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