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74AHCT14BQ 数据表(PDF) 4 Page - NXP Semiconductors

部件名 74AHCT14BQ
功能描述  Hex inverting Schmitt trigger
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

74AHCT14BQ 数据表(HTML) 4 Page - NXP Semiconductors

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74AHC_AHCT14_5
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 05 — 4 May 2009
4 of 16
NXP Semiconductors
74AHC14; 74AHCT14
Hex inverting Schmitt trigger
6.
Functional description
[1]
H = HIGH voltage level;
L = LOW voltage level.
7.
Limiting values
[1]
The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2]
For SO14 packages: above 70
°C the value of P
tot derates linearly at 8 mW/K.
For TSSOP14 packages: above 60
°C the value of P
tot derates linearly at 5.5 mW/K.
For DHVQFN14 packages: above 60
°C the value of P
tot derates linearly at 4.5 mW/K.
8.
Recommended operating conditions
Table 3.
Function table[1]
Input
Output
nA
nY
LH
HL
Table 4.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min
Max
Unit
VCC
supply voltage
−0.5
+7.0
V
VI
input voltage
−0.5
+7.0
V
IIK
input clamping current
VI < −0.5 V
[1]
−20
-
mA
IOK
output clamping current
VO < −0.5 V or VO >VCC + 0.5 V
[1]
−20
+20
mA
IO
output current
VO = −0.5 V to (VCC + 0.5 V)
−25
+25
mA
ICC
supply current
-
+75
mA
IGND
ground current
−75
-
mA
Tstg
storage temperature
−65
+150
°C
Ptot
total power dissipation
Tamb = −40 °C to +125 °C
[2] -
500
mW
Table 5.
Operating conditions
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
74AHC14
VCC
supply voltage
2.0
5.0
5.5
V
VI
input voltage
0
-
5.5
V
VO
output voltage
0
-
VCC
V
Tamb
ambient temperature
−40
+25
+125
°C
74AHCT14
VCC
supply voltage
4.5
5.0
5.5
V
VI
input voltage
0
-
5.5
V
VO
output voltage
0
-
VCC
V
Tamb
ambient temperature
−40
+25
+125
°C


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