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74VHCT02D View Datasheet(PDF) - NXP Semiconductors.

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Description
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74VHCT02D
NXP
NXP Semiconductors. NXP
74VHCT02D Datasheet PDF : 14 Pages
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Nexperia
74VHC02; 74VHCT02
Quad 2-input NOR gate
Table 7. Dynamic characteristics …continued
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 7.
Symbol Parameter Conditions
25 °C
40 °C to +85 °C 40 °C to +125 °C Unit
Min Typ[1] Max Min
Max
Min
Max
74VHCT02; VCC = 4.5 V to 5.5 V
tpd
propagation nA, nB to nY; see Figure 6 [2]
delay
CL = 15 pF
- 3.8 5.5 1.0
6.5
1.0
7.0 ns
CL = 50 pF
- 5.1 7.5 1.0
8.5
1.0
9.5 ns
CPD
power
CL = 50 pF; fi = 1 MHz;
[3] -
8.0 -
-
-
-
-
pF
dissipation VI = GND to VCC
capacitance
[1] Typical values are measured at nominal supply voltage (VCC = 3.3 V and VCC = 5.0 V).
[2] tpd is the same as tPLH and tPHL.
[3] CPD is used to determine the dynamic power dissipation (PD in µW).
PD = CPD × VCC2 × fi × N + Σ(CL × VCC2 × fo) where:
fi = input frequency in MHz;
fo = output frequency in MHz;
CL = output load capacitance in pF;
VCC = supply voltage in V;
N = number of inputs switching;
Σ(CL × VCC2 × fo) = sum of the outputs.
11. Waveforms
VI
nA, nB input
GND
VOH
nY output
VOL
VM
tPLH
VM
tPHL
001aah085
Fig 6.
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
Input to output propagation delays
Table 8. Measurement points
Type
74VHC02
74VHCT02
Input
VM
0.5VCC
1.5 V
Output
VM
0.5VCC
0.5VCC
74VHC_VHCT02_1
Product data sheet
Rev. 01 — 13 August 2009
© Nexperia B.V. 2017. All rights reserved
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