74LVC14A
Philips Semiconductors
Hex inverting Schmitt trigger with 5 V tolerant input
14. Transfer characteristics
Table 11: Transfer characteristics
The VIH and VIL from the family static characteristics are superseded by the VT+ and VT−
Voltages are referenced to GND (ground = 0 V); see Figure 8.
.
Symbol Parameter
Conditions
Min
Typ
Max Unit
Tamb = −40 °C to +85 °C[1]
VT+
VT−
VH
positive-going threshold
VCC = 1.2 V
-
-
1.2
1.7
2.0
2.0
-
V
V
V
V
V
V
V
V
V
V
V
V
VCC = 2.5 V
0.9
1.1
1.1
0
-
VCC = 2.7 V
-
VCC = 2.7 V to 3.6 V
-
negative-going threshold VCC = 1.2 V
-
VCC = 2.5 V
0.4
0.8
0.8
-
-
1.2
1.5
1.5
-
VCC = 2.7 V
-
VCC = 2.7 V to 3.6 V
VCC = 1.2 V
-
hysteresis (VT+ − VT−)
-
VCC = 2.5 V
0.3
0.3
0.3
-
-
VCC = 2.7 V
0.4
0.45
-
[2]
VCC = 2.7 V to 3.6 V
-
Tamb = −40 °C to +125 °C
VT+
VT−
VH
positive-going threshold
VCC = 1.2 V
-
-
-
-
-
-
-
-
-
-
-
-
-
1.2
1.7
2.0
2.0
-
V
V
V
V
V
V
V
V
V
V
V
V
VCC = 2.5 V
0.9
1.1
1.1
0
VCC = 2.7 V
VCC = 2.7 V to 3.6 V
negative-going threshold VCC = 1.2 V
VCC = 2.5 V
0.4
0.8
0.8
-
1.2
1.5
1.5
-
VCC = 2.7 V
VCC = 2.7 V to 3.6 V
VCC = 1.2 V
hysteresis (VT+ − VT−)
VCC = 2.5 V
0.2
0.3
0.3
-
VCC = 2.7 V
-
VCC = 2.7 V to 3.6 V
-
[1] All typical values are measured at nominal VCC and Tamb = 25 °C.
[2] Typical transfer characteristic is displayed in Figure 9.
9397 750 14591
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 04 — 15 February 2005
10 of 19
NXP [ NXP ]
