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74AHC126
(Rev.:2020)

Quad buffer/line driver; 3-state

NXP Semiconductors. 

Nexperia

74AHC126; 74AHCT126

Quad buffer/line driver; 3-state

Symbol Parameter Conditions

ten

enable time nOE to nY; see Fig. 7

VCC = 3.0 V to 3.6 V

CL = 15 pF

CL = 50 pF

VCC = 4.5 V to 5.5 V

CL = 15 pF

CL = 50 pF

tdis

disable time nOE to nY; see Fig. 7

VCC = 3.0 V to 3.6 V

CL = 15 pF

CL = 50 pF

VCC = 4.5 V to 5.5 V

CL = 15 pF

CL = 50 pF

CPD

power

fi = 1 MHz;

dissipation VI = GND to VCC

capacitance

74AHCT126

tpd

propagation nA to nY; see Fig. 6

delay

VCC = 4.5 V to 5.5 V

CL = 15 pF

CL = 50 pF

ten

enable time nOE to nY; see Fig. 7

VCC = 4.5 V to 5.5 V

CL = 15 pF

CL = 50 pF

tdis

disable time nOE to nY; see Fig. 7

VCC = 4.5 V to 5.5 V

CL = 15 pF

CL = 50 pF

CPD

power

fi = 1 MHz;

dissipation VI = GND to VCC

capacitance

Min

[3]

25 °C

Typ[1] Max

-40 °C to +85 °C

Min Max

-40 °C to +125 °C Unit

Min

Max

- 5.3 8.0 1.0

9.5

1.0

- 7.6 11.5 1.0

13.0

1.0

10.0 ns

14.5 ns

- 3.6 5.3 1.0

6.1

1.0

7.0 ns

- 5.1 7.6 1.0

8.7

1.0

9.5 ns

[4]

- 6.6 9.7 1.0

11.5

1.0

- 9.4 13.2 1.0

15.0

1.0

12.5 ns

16.5 ns

- 4.7 6.8 1.0

8.0

1.0

- 6.7 8.8 1.0

10.0

1.0

[5] -

10

-

-

-

-

8.5 ns

11.0 ns

-

pF

[2]

- 3.0 5.5 1.0

6.5

1.0

- 4.3 7.5 1.0

8.5

1.0

[3]

- 3.3 5.1 1.0

6.0

1.0

- 4.7 7.1 1.0

8.0

1.0

[4]

- 4.8 6.8 1.0

8.0

1.0

- 6.9 8.9 1.0

10.0

1.0

[5] -

12

-

-

-

-

7.0 ns

9.5 ns

6.5 ns

9.0 ns

8.5 ns

11.5 ns

-

pF

[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] ten is the same as tPZL and tPZH.

[4] tdis is the same as tPLZ and tPHZ.

[5] CPD is used to determine the dynamic power dissipation (PD in μW).

PD = CPD x VCC2 x fi x N + Σ(CL x VCC2 x 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(CL x VCC2 x fo) = sum of the outputs.

74AHC_AHCT126

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 5 — 28 April 2020

© Nexperia B.V. 2020. All rights reserved

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