74HC14 Просмотр технического описания (PDF) - Philips Electronics
Номер в каталоге
Компоненты Описание
производитель
74HC14 Datasheet PDF : 23 Pages
| |||
Philips Semiconductors
Hex inverting Schmitt trigger
Product specification
74HC14; 74HCT14
Type 74HCT
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
SYMBOL
PARAMETER
Tamb = 25 °C; note 1
tPHL/tPLH
tTHL/tTLH
propagation delay nA to nY
output transition time
Tamb = −40 to +85 °C
tPHL/tPLH
tTHL/tTLH
propagation delay nA to nY
output transition time
Tamb = −40 to +125 °C
tPHL/tPLH
tTHL/tTLH
propagation delay nA to nY
output transition time
TEST CONDITIONS
WAVEFORMS
VCC (V)
MIN.
see Fig.9
see Fig.9
4.5
−
4.5
−
see Fig.9
see Fig.9
4.5
43
4.5
19
see Fig.9
see Fig.9
4.5
−
4.5
−
Note
1. All typical values are measured at Tamb = 25 °C.
TYP.
20
7
−
−
−
−
MAX. UNIT
34
ns
15
ns
−
ns
−
ns
51
ns
22
ns
TRANSFER CHARACTERISTIC WAVEFORMS
VO
VH
VT−
VT+
VI
MNA844
handbook, halfpage
VI
VT+
VH
VT−
VO
MNA845
Fig.7 Transfer characteristic.
VT+ and VT− are between limits of 20% and 70%.
Fig.8 The definitions of VT+, VT− and VH.
2003 Oct 30
13
Share Link: 