參數(shù)資料
型號： 74HC14A
廠商： ON SEMICONDUCTOR
英文描述： Hex Schmitt−Trigger Inverter High−Performance Silicon−Gate CMOS
文件頁數(shù)： 5/10頁
文件大?。?/td> 170K
代理商： 74HC14A
MC74HC14A
http://onsemi.com
5
AC CHARACTERISTICS
(C
L
= 50pF, Input t
r
= t
f
= 6ns)
V
CC
V
Guaranteed Limit
Symbol
Parameter
55 to 25
°
C
≤
85
°
C
≤
125
°
C
Unit
t
PLH
,
t
PHL
Maximum Propagation Delay, Input A or B to Output Y
(Figures 1 and 2)
2.0
3.0
4.5
6.0
75
30
15
13
95
40
19
16
110
55
22
19
ns
t
TLH
,
t
THL
Maximum Output Transition Time, Any Output
(Figures 1 and 2)
2.0
3.0
4.5
6.0
75
27
15
13
95
32
19
16
110
36
22
19
ns
C
in
Maximum Input Capacitance
10
10
10
pF
NOTE:For propagation delays with loads other than 50 pF, and information on typical parametric values, see Chapter 2 of the ON
Semiconductor High
Speed CMOS Data Book (DL129/D).
C
PD
Power Dissipation Capacitance (Per Inverter)*
* Used to determine the no
load dynamic power consumption: P
D
= C
PD
V
CC2
f + I
CC
V
CC
. For load considerations, see Chapter 2 of the
ON Semiconductor High
Speed CMOS Data Book (DL129/D).
Typical @ 25
°
C, V
CC
= 5.0 V
pF
22
Figure 1. Switching Waveforms
GND
V
CC
OUTPUT Y
INPUT A
C
L
*
*Includes all probe and jig capacitance
TEST
POINT
90%
50%
10%
t
TLH
DEVICE
UNDER
TEST
OUTPUT
Figure 2. Test Circuit
t
THL
90%
50%
10%
t
PLH
t
PHL
t
f
t
r
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