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74HCT157BQ Arkusz danych(PDF) 5 Page - NXP Semiconductors

Numer części 74HCT157BQ
Szczegółowy opis  Quad 2-input multiplexer
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Producent  NXP [NXP Semiconductors]
Strona internetowa  http://www.nxp.com
Logo NXP - NXP Semiconductors

74HCT157BQ Arkusz danych(HTML) 5 Page - NXP Semiconductors

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74HC_HCT157
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 3 — 31 December 2010
5 of 18
NXP Semiconductors
74HC157; 74HCT157
Quad 2-input multiplexer
[3]
Ptot derates linearly with 4.5 mW/K above 60 C.
8.
Recommended operating conditions
9.
Static characteristics
Table 5.
Recommended operating conditions
Voltages are referenced to GND (ground = 0 V)
Symbol Parameter
Conditions
74HC157
74HCT157
Unit
Min
Typ
Max
Min
Typ
Max
VCC
supply voltage
2.0
5.0
6.0
4.5
5.0
5.5
V
VI
input voltage
0
-
VCC
0-
VCC
V
VO
output voltage
0
-
VCC
0-
VCC
V
Tamb
ambient temperature
40
+25
+125
40
+25
+125
C
t/V
input transition rise and fall rate
VCC = 2.0 V
-
-
625
-
-
-
ns/V
VCC = 4.5 V
-
1.67
139
-
1.67
139
ns/V
VCC = 6.0 V
--83
-
--ns/V
Table 6.
Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
Tamb = 25 C
Tamb = 40 C to
+85
C
Tamb = 40 C to
+125
C
Unit
Min
Typ
Max
Min
Max
Min
Max
74HC157
VIH
HIGH-level
input voltage
VCC = 2.0 V
1.5
1.2
-
1.5
-
1.5
-
V
VCC = 4.5 V
3.15
2.4
-
3.15
-
3.15
-
V
VCC = 6.0 V
4.2
3.2
-
4.2
-
4.2
-
V
VIL
LOW-level
input voltage
VCC = 2.0 V
-
0.8
0.5
-
0.5
-
0.5
V
VCC = 4.5 V
-
2.1
1.35
-
1.35
-
1.35
V
VCC = 6.0 V
-
2.8
1.8
-
1.8
-
1.8
V
VOH
HIGH-level
output voltage
VI =VIH or VIL
IO = 20 A; VCC = 2.0 V
1.9
2.0
-
1.9
-
1.9
-
V
IO = 20 A; VCC = 4.5 V
4.4
4.5
-
4.4
-
4.4
-
V
IO = 20 A; VCC = 6.0 V
5.9
6.0
-
5.9
-
5.9
-
V
IO = 4.0 mA; VCC = 4.5 V
3.98
4.32
-
3.84
-
3.7
-
V
IO = 5.2 mA; VCC = 6.0 V
5.48
5.81
-
5.34
-
5.2
-
V
VOL
LOW-level
output voltage
VI =VIH or VIL
IO =20 A; VCC = 2.0 V
-
0
0.1
-
0.1
-
0.1
V
IO =20 A; VCC = 4.5 V
-
0
0.1
-
0.1
-
0.1
V
IO =20 A; VCC = 6.0 V
-
0
0.1
-
0.1
-
0.1
V
IO = 4.0 mA; VCC = 4.5 V
-
0.15
0.26
-
0.33
-
0.4
V
IO = 5.2 mA; VCC = 6.0 V
-
0.16
0.26
-
0.33
-
0.4
V
II
input leakage
current
VI =VCC or GND;
VCC =6.0 V
--
0.1
-
1.0
-
1.0
A


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