74HC_HCT2G17_Q100 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 1 — 22 May 2013 9 of 19
NXP Semiconductors
74HC2G17-Q100; 74HCT2G17-Q100
Dual non-inverting Schmitt trigger
14. Transfer characteristics
Test data is given in Table 11.
Definitions test circuit:
R
L
= Load resistance.
C
L
= Load capacitance including jig and probe capacitance.
R
T
= Termination resistance should be equal to output impedance Z
o
of the pulse generator.
Fig 6. Test circuit for measuring switching times
mgk563
D.U.T
V
CC
V
CC
V
I
V
O
R
T
R
L
= 1 kΩ
C
L
50 pF
open
PULSE
GENERATOR
Table 11. Test data
Type Input Test
V
I
t
r
, t
f
t
PHL
, t
PLH
74HC2G17-Q100 GND to V
CC
6ns open
74HCT2G17-Q100 GND to 3.0 V 6 ns open
Table 12. Transfer characteristics
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 6
.
Symbol Parameter Conditions 25 C 40 C to +125 C Unit
Min Typ Max Min Max
(85 C)
Max
(125 C)
74HC2G17-Q100
V
T+
positive-going
threshold voltage
see Figure 7, Figure 8
V
CC
= 2.0 V 1.00 1.18 1.50 1.00 1.50 1.50 V
V
CC
= 4.5 V 2.30 2.60 3.15 2.30 3.15 3.15 V
V
CC
= 6.0 V 3.00 3.46 4.20 3.00 4.20 4.20 V
V
T
negative-going
threshold voltage
see Figure 7, Figure 8
V
CC
= 2.0 V 0.30 0.60 0.90 0.30 0.90 0.90 V
V
CC
= 4.5 V 1.13 1.47 2.00 1.13 2.00 2.00 V
V
CC
= 6.0 V 1.50 2.06 2.60 1.50 2.60 2.60 V
V
H
hysteresis voltage V
T+
V
T
; see Figure 7,
Figure 8 and Figure 9
V
CC
= 2.0 V 0.30 0.60 1.00 0.30 1.00 1.00 V
V
CC
= 4.5 V 0.60 1.13 1.40 0.60 1.40 1.40 V
V
CC
= 6.0 V 0.80 1.40 1.70 0.80 1.70 1.70 V
