74LV14PWDH データシートの表示（PDF） - Philips Electronics
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74LV14PWDH Datasheet PDF : 12 Pages
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Philips Semiconductors
Hex inverting Schmitt-trigger
TRANSFER CHARACTERISTIC WAVEFORMS
VO
Product specification
74LV14
VT+
VI
VH
VT–
VI
VH
VT–
VT+
SV00427
Figure 1. Transfer characteristic.
10
I CC
(mA)
8
6
4
2
0
0
0.3
0.6
0.9
1.2
Vin (V)
SV00429
Figure 3. Typical 74LV14 transfer characteristics; VCC = 1.2V.
250
200
I CC
(mA)
150
100
50
0
0
0.6
1.2
1.8
2.4
3.0
Vin (V)
SV00432
Figure 5. Typical 74LV14 transfer characteristics; VCC = 3.0V.
VO
SV00428
Figure 2. Definition of VT),
VT- and VH;
where VT+ and VT- are between limits of 20% and 70%
100
80
I CC
(mA)
60
40
20
0
0
0.4
0.8
1.2
1.6
2.0
Vin (V)
SV00430
Figure 4. Typical 74LV14 transfer characteristics; VCC = 2.0V.
AC WAVEFORMS
VM = 1.5 V at VCC ≥ 2.7 V;
VM = 0.5 × VCC at VCC < 2.7 V
VOL and VOH are the typical output voltage drop that occur with the
output load.
VI
nA INPUT
VM
GND
VOH
tPHL
tPLH
nY OUTPUT
VM
VOL
SV00395
Figure 6. Input (nA) to output (nY) propagation delays.
1998 Apr 20
6
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