74LVC00AD datasheet(5/14 Pages) PHILIPS

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74LVC00A

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Product data sheet

Rev. 7 — 25 April 2012

5 of 14

NXP Semiconductors

74LVC00A

Quad 2-input NAND gate

10. Dynamic characteristics

[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]

Skew between any two outputs of the same package switching in the same direction. This parameter is guaranteed by design.

[4]

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 Volts

N = number of inputs switching

Σ(CL × VCC2 × fo) = sum of the outputs

11. Waveforms

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

−40 °C to +125 °C Unit

Min

Typ[1]

Max

Min

Max

tpd

propagation delay

nA, nB to nY; see Figure 6

[2]

VCC =1.2 V

VCC = 1.65 V to 1.95 V

0.3

3.8

8.4

0.3

9.7

VCC = 2.3 V to 2.7 V

1.0

2.2

4.8

1.0

5.7

VCC = 2.7 V

1.0

2.3

5.1

1.0

5.9

VCC = 3.0 V to 3.6 V

0.5

2.0

4.3

0.5

5.1

tsk(o)

output skew time

VCC = 3.0 V to 3.6 V

[3]

1.0

1.5

CPD

power dissipation

capacitance

per gate; VI =GND to VCC

[4]

VCC = 1.65 V to 1.95 V

5.6

VCC = 2.3 V to 2.7 V

8.9

VCC = 3.0 V to 3.6 V

11.8

VM = 1.5 V at VCC

≥ 2.7 V.

VM =0.5

× VCC at VCC <2.7 V.

VOL and VOH are typical output voltage levels that occur with the output load.

Fig 6.

The input (nA, nB) to output (nY) propagation delays

mna213

nA, nB input

nY output

tPHL

tPLH

VOL

VOH

GND

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