74AHC_AHCT1G08

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© NXP Semiconductors N.V. 2014. All rights reserved.

Product data sheet

Rev. 7 — 18 November 2014

5 of 12

NXP Semiconductors

74AHC1G08; 74AHCT1G08

2-input AND gate

11. Dynamic characteristics

[1]

tpd is the same as tPLH and tPHL.

[2]

Typical values are measured at VCC = 3.3 V.

[3]

Typical values are measured at VCC = 5.0 V.

[4]

CPD is used to determine the dynamic power dissipation PD (W).

PD =CPD  VCC2  fi +  (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

ICC

supply current VI =VCC or GND; IO = 0 A;

VCC = 5.5 V

-

-

1.0

-

10

-

40

A

I

CC

additional

supply current

per input pin; VI =3.4 V;

other inputs at VCC or GND;

IO =0 A; VCC = 5.5 V

-

-

1.35

-

1.5

-

1.5

mA

CI

input

capacitance

-

1.5

10

-

10

-

10

pF

Table 7.

Static characteristics …continued

Voltages are referenced to GND (ground = 0 V).

Symbol Parameter

Conditions

25

C

40 C to +85 C 40 C to +125 C Unit

Min

Typ

Max

Min

Max

Min

Max

Table 8.

Dynamic characteristics

GND = 0 V; tr = tf =  3.0 ns. For test circuit see Figure 6.

Symbol Parameter

Conditions

25

C

40 C to +85 C 40 C to +125 C Unit

Min

Typ

Max

Min

Max

Min

Max

For type 74AHC1G08

tpd

propagation

delay

A and B to Y; see Figure 5

[1]

VCC = 3.0 V to 3.6 V

[2]

CL = 15 pF

-

4.6

8.8

1.0

10.5

1.0

12.0

ns

CL = 50 pF

-

6.5

12.3

1.0

14.0

1.0

16.0

ns

VCC = 4.5 V to 5.5 V

[3]

CL = 15 pF

-

3.2

5.9

1.0

7.0

1.0

8.0

ns

CL = 50 pF

-

4.6

7.9

1.0

9.0

1.0

10.5

ns

CPD

power

dissipation

capacitance

per buffer; CL = 50pF;f= 1

MHz; VI =GND to VCC

[4]

-17-

-

-

-

-

pF

For type 74AHCT1G08

tpd

propagation

delay

A and B to Y; see Figure 5

[1]

VCC = 4.5 V to 5.5 V

[3]

CL = 15 pF

-

3.6

6.2

1.0

7.1

1.0

8.0

ns

CL = 50 pF

-

5.1

7.9

1.0

9.0

1.0

10.5

ns

CPD

power

dissipation

capacitance

per buffer; CL = 50pF;f= 1

MHz; VI =GND to VCC

[4]

-19-

-

-

-

-

pF