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74HC1G14GVNXP ?N/a30450avai74HC1G14; 74HCT1G14; Inverting Schmitt-triggers
74HC1G14GWNXP/PHILIPSN/a6000avaiInverting Schmitt trigger
74HCT1G14GWNXPN/a13368avaiInverting Schmitt trigger


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74HC1G14GV-74HC1G14GW-74HCT1G14GW
Inverting Schmitt trigger
1. General description
74HC1G14 and 74HCT1G14 are high-speed Si-gate CMOS devices. They provide an
inverting buffer function with Schmitt trigger action. These devices are capable of
transforming slowly changing input signals into sharply defined, jitter-free output signals.
The HC device has CMOS input switching levels and supply voltage range 2 V to 6 V.
The HCT device has TTL input switching levels and supply voltage range 4.5 V to 5.5 V.
The standard output currents are half of those of the 74HC14 and 74HCT14.
2. Features and benefits
Symmetrical output impedance High noise immunity Low power dissipation Balanced propagation delays SOT353-1 and SOT753 package options Specified from 40 Cto +125 C
3. Applications
Wave and pulse shapers Astable multivibrators Monostable multivibrators
4. Ordering information

74HC1G14; 74HCT1G14
Inverting Schmitt trigger
Rev. 6 — 27 December 2012 Product data sheet
Table 1. Ordering information

74HC1G14GW 40 C to +125 C TSSOP5 plastic thin shrink small outline package; leads; body width 1.25 mm
SOT353-1
74HCT1G14GW
74HC1G14GV 40 C to +125 C SC-74A plastic surface-mounted package; 5 leads SOT753
74HCT1G14GV
NXP Semiconductors 74HC1G14; 74HCT1G14
Inverting Schmitt trigger
5. Marking

[1] The pin 1 indicator is located on the lower left corner of the device, below the marking code.
6. Functional diagram

7. Pinning information
7.1 Pinning
7.2 Pin description

Table 2. Marking codes

74HC1G14GW HF
74HCT1G14GW TF
74HC1G14GV H14
74HCT1G14GV T14
Table 3. Pin description

n.c. 1 not connected 2 data input
GND 3 ground (0 V) 4 data output
VCC 5 supply voltage
NXP Semiconductors 74HC1G14; 74HCT1G14
Inverting Schmitt trigger
8. Functional description

9. Limiting values

[1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2] Above 55 C, the value of Ptot derates linearly with 2.5 mW/K.
10. Recommended operating conditions

Table 4. Function table

H = HIGH voltage level; L = LOW voltage level
Table 5. Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V). [1]
VCC supply voltage 0.5 +7.0 V
IIK input clamping current VI < 0.5 V or VI >VCC + 0.5V - 20 mA
IOK output clamping current VO< 0.5 V or VO >VCC + 0.5V - 20 mA output current 0.5 V < VO ICC supply current - 25 mA
IGND ground current 25 - mA
Tstg storage temperature 65 +150 C
Ptot total power dissipation Tamb = 40Cto +125 C [2]- 200 mW
Table 6. Recommended operating conditions

Voltages are referenced to GND (ground = 0 V).
VCC supply voltage 2.0 5.0 6.0 4.5 5.0 5.5 V input voltage 0 - VCC 0- VCC V output voltage 0 - VCC 0- VCC V
Tamb ambient temperature 40 +25 +125 40 +25 +125 C
NXP Semiconductors 74HC1G14; 74HCT1G14
Inverting Schmitt trigger
11. Static characteristics
Table 7. Static characteristics
Voltages are referenced to GND (ground = 0 V). All typical values are measured at Tamb =25 C.
For type 74HC1G14

VOH HIGH-level output
voltage = VT+ or VT = 20 A; VCC= 2.0V 1.9 2.0 - 1.9 - V = 20 A; VCC= 4.5V 4.4 4.5 - 4.4 - V = 20 A; VCC= 6.0V 5.9 6.0 - 5.9 - V = 2.0 mA; VCC=4.5V 4.13 4.32 - 3.7 - V = 2.6 mA; VCC=6.0V 5.63 5.81 - 5.2 - V
VOL LOW-level output
voltage = VT+ or VT = 20 A; VCC= 2.0V - 0 0.1 - 0.1 V = 20 A; VCC= 4.5V - 0 0.1 - 0.1 V = 20 A; VCC= 6.0V - 0 0.1 - 0.1 V = 2.0 mA; VCC= 4.5V - 0.15 0.33 - 0.4 V = 2.6 mA; VCC= 6.0V - 0.16 0.33 - 0.4 V input leakage current VI =VCCor GND; VCC= 6.0V - - 1.0 - 1.0 A
ICC supply current VI =VCCor GND; IO =0A;
VCC =6.0V 10 - 20 A input capacitance - 1.5 - - - pF
VT+ positive-going
threshold voltage
see Figure 7 and Figure8
VCC= 2.0 V 0.7 1.09 1.5 0.7 1.5 V
VCC= 4.5 V 1.7 2.36 3.15 1.7 3.15 V
VCC= 6.0 V 2.1 3.12 4.2 2.1 4.2 V
VT negative-going
threshold voltage
see Figure 7 and Figure8
VCC= 2.0 V 0.3 0.60 0.9 0.3 0.9 V
VCC= 4.5 V 0.9 1.53 2.0 0.9 2.0 V
VCC= 6.0 V 1.2 2.08 2.6 1.2 2.6 V hysteresis voltage see Figure 7 and Figure8
VCC= 2.0 V 0.2 0.48 1.0 0.2 1.0 V
VCC= 4.5 V 0.4 0.83 1.4 0.4 1.4 V
VCC= 6.0 V 0.6 1.04 1.6 0.6 1.6 V
For type 74HCT1G14

VOH HIGH-level output
voltage = VT+ or VT = 20 A; VCC= 4.5V 4.4 4.5 - 4.4 - V = 2.0 mA; VCC=4.5V 4.13 4.32 - 3.7 - V
VOL LOW-level output
voltage = VT+ or VT = 20 A; VCC= 4.5V - 0 0.1 - 0.1 V = 2.0 mA; VCC= 4.5V - 0.15 0.33 - 0.4 V input leakage current VI =VCCor GND; VCC= 5.5V - - 1.0 - 1.0 A
NXP Semiconductors 74HC1G14; 74HCT1G14
Inverting Schmitt trigger
12. Dynamic characteristics

[1] tpd is the same as tPLH and tPHL.
[2] CPD is used to determine the dynamic power dissipation PD (W). =CPD VCC2fi+(CL VCC2 fo)where:= input frequency in MHz; fo= output frequency in MHz= output load capacitance in pF; VCC= supply voltage in Volts(CL VCC2 fo) = sum of outputs
ICC supply current VI =VCCor GND; IO =0A;
VCC =5.5V 10 - 20 A
ICC additional supply
current
per input; VCC= 4.5Vto 5.5V;
VI = VCC  2.1 V; IO =0A - 500 - 850 A input capacitance - 1.5 - - - pF
VT+ positive-going
threshold voltage
see Figure 7 and Figure8
VCC= 4.5 V 1.2 1.55 1.9 1.2 1.9 V
VCC= 5.5 V 1.4 1.80 2.1 1.4 2.1 V
VT negative-going
threshold voltage
see Figure 7 and Figure8
VCC= 4.5 V 0.5 0.76 1.2 0.5 1.2 V
VCC= 5.5 V 0.6 0.90 1.4 0.6 1.4 V hysteresis voltage see Figure 7 and Figure8
VCC= 4.5 V 0.4 0.80 - 0.4 - V
VCC= 5.5 V 0.4 0.90 - 0.4 - V
Table 7. Static characteristics …continued

Voltages are referenced to GND (ground = 0 V). All typical values are measured at Tamb =25 C.
Table 8. Dynamic characteristics

GND = 0 V; tr = tf  6.0 ns; All typical values are measured at Tamb =25 C. For test circuit see Figure6
For type 74HC1G14

tpd propagation delayAto Y; see Figure5 [1]
VCC = 2.0 V; CL=50pF - 25 155 - 190 ns
VCC = 4.5 V; CL =50pF - 12 31 - 38 ns
VCC = 5.0 V; CL =15pF - 10 - - - ns
VCC = 6.0 V; CL =50pF - 11 26 - 32 ns
CPD power dissipation
capacitance =GNDto VCC [2] -20- - - pF
For type 74HCT1G14

tpd propagation delayAto Y; see Figure5 [1]
VCC = 4.5 V; CL =50pF - 17 43 - 51 ns
VCC = 5.0 V; CL =15pF - 15 - - - ns
CPD power dissipation
capacitance =GNDto VCC 1.5V [2] -22- - - pF
NXP Semiconductors 74HC1G14; 74HCT1G14
Inverting Schmitt trigger
13. Waveforms

Table 9. Measurement points

74HC1G14 GND to VCC 0.5  VCC 0.5  VCC
74HCT1G14 GND to 3.0 V 1.5 V 0.5  VCC
NXP Semiconductors 74HC1G14; 74HCT1G14
Inverting Schmitt trigger
14. Transfer characteristics waveforms

NXP Semiconductors 74HC1G14; 74HCT1G14
Inverting Schmitt trigger

15. 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:
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