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參數(shù)資料
| 型號： | PC74HCT14 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 10-to-4 line priority encoder |
| 中文描述： | 10至4線優(yōu)先編碼器 |
| 文件頁數(shù)： | 13/23頁 |
| 文件大?。?/td> | 120K |
| 代理商： | PC74HCT14 |
2003 Oct 30
13
Philips Semiconductors
Product specification
Hex inverting Schmitt trigger
74HC14; 74HCT14
Type 74HCT
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
Note
1.
All typical values are measured at T
amb
= 25
°
C.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN.
TYP.
MAX.
UNIT
WAVEFORMS
V
CC
(V)
T
amb
= 25
°
C;
note 1
t
PHL
/t
PLH
t
THL
/t
TLH
T
amb
=
40 to +85
°
C
propagation delay nA to nY
output transition time
see Fig.9
see Fig.9
4.5
4.5
20
7
34
15
ns
ns
t
PHL
/t
PLH
t
THL
/t
TLH
T
amb
=
40 to +125
°
C
propagation delay nA to nY
output transition time
see Fig.9
see Fig.9
4.5
4.5
43
19
ns
ns
t
PHL
/t
PLH
t
THL
/t
TLH
propagation delay nA to nY
output transition time
see Fig.9
see Fig.9
4.5
4.5
51
22
ns
ns
TRANSFER CHARACTERISTIC WAVEFORMS
MNA844
VO
VI
VH
VT
+
VT
Fig.7 Transfer characteristic.
handbook, halfpage
MNA845
VO
VI
VH
VT
+
VT
Fig.8 The definitions of V
T+
, V
T
and V
H
.
V
T+
and V
T
are between limits of 20% and 70%.
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