74AXP1G02GS datasheet(6/17 Pages) NEXPERIA

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74AXP1G02

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Product data sheet

Rev. 1 — 25 August 2014

6 of 17

Nexperia

74AXP1G02

Low-power 2-input NOR gate

11. Dynamic characteristics

[1]

All typical values are measured at nominal VCC.

[2]

tpd is the same as tPLH and tPHL.

[3]

For additional propagation delay values at different load capacitances, see Figure 7 to Figure 11.

[4]

tt is the same as tTHL and tTLH.

[5]

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 V;

N = number of inputs switching.

Table 8.

Dynamic characteristics

Voltages are referenced to GND (ground = 0 V); for test circuit, see Figure 12.

Symbol Parameter

Conditions

Tamb = 25 C

Tamb = 40 C to +85 C

Unit

Min

Typ[1]

Max

Min

Max

tpd

propagation

delay

A, B to Y; see Figure 6

[2][3]

VCC = 0.75 V to 0.85 V

VCC = 1.1 V to 1.3 V

1.9

4.3

6.7

1.7

7.0

VCC = 1.4 V to 1.6 V

1.5

3.3

5.1

1.3

5.3

VCC = 1.65 V to 1.95 V

1.3

2.6

3.8

1.1

4.0

VCC = 2.3 V to 2.7 V

1.1

2.0

2.8

0.9

3.0

transition time

VCC = 2.7 V; see Figure 6

[4]

1.0

input capacitance VI = 0 V or VCC;

VCC =0Vto2.75V

-0.5

output

capacitance

VO = 0 V; VCC =0V

1.0

CPD

power dissipation

capacitance

fi = 1 MHz; VI =0 Vto VCC

[5]

VCC = 0.75 V to 0.85 V

2.4

VCC = 1.1 V to 1.3 V

2.4

VCC = 1.4 V to 1.6 V

2.5

VCC = 1.65 V to 1.95 V

2.5

VCC = 2.3 V to 2.7 V

2.8

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