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74VHCT32BQ Datasheet(PDF) 7 Page - Nexperia B.V. All rights reserved

Part No. 74VHCT32BQ
Description  Quad 2-input OR gate
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Maker  NEXPERIA [Nexperia B.V. All rights reserved]
Homepage  https://www.nexperia.com/
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74VHCT32BQ Datasheet(HTML) 7 Page - Nexperia B.V. All rights reserved

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74VHC_VHCT32_1
Product data sheet
Rev. 01 — 13 August 2009
7 of 14
Nexperia
74VHC32; 74VHCT32
Quad 2-input OR gate
[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(C
L × VCC
2
× f
o) = sum of the outputs.
11. Waveforms
74VHCT32; VCC = 4.5 V to 5.5 V
tpd
propagation
delay
nA, nB to nY; see Figure 6
[2]
CL = 15 pF
-
3.1
6.9
1.0
8.0
1.0
9.0
ns
CL = 50 pF
-
4.3
7.9
1.0
9.0
1.0
10.0
ns
CPD
power
dissipation
capacitance
fi = 1 MHz; VI = GND to VCC
[3]
-12
-
-
-
-
-
pF
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
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
Fig 6.
Input to output propagation delays
mna224
nA, nB input
nY output
tPLH
tPHL
GND
VI
VM
VM
VOH
VOL
Table 8.
Measurement points
Type
Input
Output
VM
VM
74VHC32
0.5VCC
0.5VCC
74VHCT32
1.5 V
0.5VCC
© Nexperia B.V. 2017. All rights reserved


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