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74HC2G17 Schematic ( PDF Datasheet ) - NXP Semiconductors

Teilenummer 74HC2G17
Beschreibung Dual non-Inverting Schmitt Trigger
Hersteller NXP Semiconductors
Logo NXP Semiconductors Logo 




Gesamt 18 Seiten
74HC2G17 Datasheet, Funktion
www.DataSheet4U.com
74HC2G17; 74HCT2G17
Dual non-inverting Schmitt trigger
Rev. 01 — 6 October 2006
Product data sheet
1. General description
The 74HC2G17; 74HCT2G17 is a high-speed Si-gate CMOS device.
The 74HC2G17; 74HCT2G17 provides two non-inverting Schmitt trigger buffers. They are
capable of transforming slowly changing input signals into sharply defined, jitter-free
output signals.
The inputs switch at different points for positive and negative-going signals. The difference
between the positive voltage VT+ and the negative voltage VTis defined as the input
hysteresis voltage VH.
2. Features
I Wide supply voltage range from 2.0 V to 6.0 V
I Complies with JEDEC standard no. 7A
I High noise immunity
I ESD protection:
N HBM JESD22-A114-D exceeds 2000 V
N MM JESD22-A115-A exceeds 200 V
I Low power dissipation
I Balanced propagation delays
I Unlimited input rise and fall times
I Multiple package options
I Specified from 40 °C to +85 °C and 40 °C to +125 °C
3. Applications
I Wave and pulse shaper for highly noisy environments
I Astable multivibrators
I Monostable multivibrators
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74HC2G17 Datasheet, Funktion
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NXP Semiconductors
74HC2G17; 74HCT2G17
Dual non-inverting Schmitt trigger
Table 7. Static characteristics for 74HC2G17 …continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
Min
VOL
LOW-level output voltage
VI = VIH or VIL
IO = 20 µA; VCC = 2.0 V
IO = 20 µA; VCC = 4.5 V
IO = 20 µA; VCC = 6.0 V
IO = 4.0 mA; VCC = 4.5 V
IO = 5.2 mA; VCC = 6.0 V
II
input leakage current
VI = GND or VCC; VCC = 6.0 V
ICC supply current
VI = GND or VCC; IO = 0 A;
VCC = 6.0 V
-
-
-
-
-
-
-
Table 8. Static characteristics for 74HCT2G17
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
Min
Tamb = 25 °C
VOH HIGH-level output voltage
VOL LOW-level output voltage
II input leakage current
ICC supply current
ICC
additional supply current
CI input capacitance
Tamb = 40 °C to +85 °C
VOH HIGH-level output voltage
VOL LOW-level output voltage
II
ICC
ICC
input leakage current
supply current
additional supply current
VI = VIH or VIL; VCC = 4.5 V
IO = 20 µA
IO = 4.0 mA
VI = VIH or VIL; VCC = 4.5 V
IO = 20 µA
IO = 4.0 mA
VI = GND or VCC; VCC = 5.5 V
VI = GND or VCC; IO = 0 A;
VCC = 5.5 V
VI = VCC 2.1 V;
VCC = 4.5 V to 5.5 V; IO = 0 A
VI = VIH or VIL; VCC = 4.5 V
IO = 20 µA
IO = 4.0 mA
VI = VIH or VIL; VCC = 4.5 V
IO = 20 µA
IO = 4.0 mA
VI = GND or VCC; VCC = 5.5 V
VI = GND or VCC; IO = 0 A;
VCC = 5.5 V
VI = VCC 2.1 V;
VCC = 4.5 V to 5.5 V; IO = 0 A
4.4
4.18
-
-
-
-
-
-
4.4
4.13
-
-
-
-
-
Typ
-
-
-
-
-
-
-
Typ
4.5
4.32
0
0.15
-
-
-
2.0
-
-
-
-
-
-
-
Max
0.1
0.1
0.1
0.4
0.4
±1.0
20.0
Max
-
-
0.1
0.26
±0.1
1.0
300
-
-
-
0.1
0.33
±1.0
10.0
375
Unit
V
V
V
V
V
µA
µA
Unit
V
V
V
V
µA
µA
µA
pF
V
V
V
V
µA
µA
µA
74HC_HCT2G17_1
Product data sheet
4 U .com
Rev. 01 — 6 October 2006
© NXP B.V. 2006. All rights reserved.
6 of 18

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74HC2G17 pdf, datenblatt
www.DataSheet4U.com
NXP Semiconductors
74HC2G17; 74HCT2G17
Dual non-inverting Schmitt trigger
2.0
ICC
(mA)
1.0
mna031
3.0
ICC
(mA)
2.0
1.0
mna032
0
0
2.5
VI (V)
5.0
a. VCC = 4.5 V.
Fig 10. Typical 74HCT2G17 transfer characteristics
0
0
b. VCC = 5.5 V.
3.0
VI (V)
6.0
16. Application information
The slow input rise and fall times cause additional power dissipation, this can be
calculated using the following formula:
Padd = fi × (tr × ∆ICC(AV) + tf × ∆ICC(AV)) × VCC where:
Padd = additional power dissipation (µW);
fi = input frequency (MHz);
tr = input rise time (ns); 10 % to 90 %;
tf = input fall time (ns); 90 % to 10 %;
ICC(AV) = average additional supply current (µA).
ICC(AV) differs with positive or negative input transitions, as shown in Figure 11 and
Figure 12.
74HC_HCT2G17_1
Product data sheet
4 U .com
Rev. 01 — 6 October 2006
© NXP B.V. 2006. All rights reserved.
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