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74LVC27BQ Datasheet PDF : 14 Pages
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NXP Semiconductors
74LVC27
Triple 3-input NOR gate
Table 6. Static characteristics …continued
At recommended operating conditions. Voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions
40 C to +85 C
Min
Typ[1]
Max
ICC
supply
VCC = 3.6 V; VI = VCC or GND;
-
current
IO = 0 A
ICC additional per input pin;
-
supply
VCC = 2.7 V to 3.6 V;
current
VI = VCC 0.6 V; IO = 0 A
0.1
10
5
500
CI
input
VCC = 0 V to 3.6 V;
capacitance VI = GND to VCC
-
5.0
-
[1] All typical values are measured at VCC = 3.3 V (unless stated otherwise) and Tamb = 25 C.
10. Dynamic characteristics
40 C to +125 C Unit
Min
Max
-
40
A
-
5000 A
-
-
pF
Table 7. Dynamic characteristics
Voltages are referenced to GND (ground = 0 V). For test circuit see Figure 7.
Symbol Parameter
Conditions
40 C to +85 C
Min Typ[1] Max
tpd
propagation delay nA, nB, nC to nY; see Figure 6 [2]
VCC = 1.65 V to 1.95 V
0.5 4.6 11.6
VCC = 2.3 V to 2.7 V
1.0 2.7 6.6
VCC = 2.7 V
1.1 2.8 7.0
VCC = 3.0 V to 3.6 V
CPD
power dissipation per gate; VI = GND to VCC
capacitance
VCC = 1.65 V to 1.95 V
0.8 2.4 5.9
[3]
-
3.3
-
VCC = 2.3 V to 2.7 V
-
6.4
-
VCC = 3.0 V to 3.6 V
-
9.2
-
40 C to +125 C Unit
Min
Max
0.5
13.4 ns
1.0
7.6 ns
1.1
8.1 ns
0.8
6.8 ns
-
- pF
-
- pF
-
- pF
[1] Typical values are measured at Tamb = 25 C and VCC = 1.2 V, 1.8 V, 2.5 V, 2.7 V, and 3.3 V respectively.
[2] tpd is the same as tPLH and tPHL.
[3] CPD is used to determine the dynamic power dissipation (PD in W).
PD = CPD VCC2 fi N + (CL VCC2 fo) where:
fi = input frequency in MHz; fo = output frequency in MHz
CL = output load capacitance in pF
VCC = supply voltage in Volts
N = number of inputs switching
(CL VCC2 fo) = sum of the outputs
74LVC27
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 6 — 27 October 2011
© NXP B.V. 2011. All rights reserved.
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