Device

1

2

3

0

5

10

15

20

25

D001

TpLHmax D1 '00, D2 'LS00, D3 'S00

TpLHtyp D1 '00, D2 'LS00, D3 'S00

12

SN5400, SN54LS00, SN54S00

SN7400, SN74LS00, SN74S00

SDLS025D – DECEMBER 1983 – REVISED MAY 2017

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Product Folder Links: SN5400 SN54LS00 SN54S00 SN7400 SN74LS00 SN74S00

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Copyright © 1983–2017, Texas Instruments Incorporated

Typical Application (continued)

9.2.3 Application Curve

CL = 15 pF

Figure 4. TPLH (Across Devices)

10 Power Supply Recommendations

The power supply can be any voltage between the minimum and maximum supply voltage rating located in

Recommended Operating Conditions for each of the SNx4LS00, SNx4S00, and SNx400 devices.

Each VCC pin must have a good bypass capacitor to prevent power disturbance. For devices with a single supply,

0.1 µF is recommended; if there are multiple VCC pins, then 0.01 µF or 0.022 µF is recommended for each power

pin. It is acceptable to parallel multiple bypass capacitors to reject different frequencies of noise. A 0.1 µF and a

1 µF are commonly used in parallel. The bypass capacitor must be installed as close to the power pin as

possible for best results.