8.2.3 Application Curves

GPO

EN

VCC

V

O

Figure 8-2. Typical Application Timing Diagram

8.3 Power Supply Recommendations

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

Recommended Operating Conditions.

Verify that each VCC terminal has a good bypass capacitor to prevent power disturbance. For the

SN74LVC1G08B-EP, a 0.1μF bypass capacitor is recommended. To reject different frequencies of noise, use

multiple bypass capacitors in parallel. Capacitors with values of 0.1μF and 1μF are commonly used in parallel.

8.4 Layout

8.4.1 Layout Guidelines

• Bypass capacitor placement

– Place near the positive supply terminal of the device

– Provide an electrically short ground return path

– Use wide traces to minimize impedance

– Keep the device, capacitors, and traces on the same side of the board whenever possible

• Signal trace geometry

– 8mil to 12mil trace width

– Lengths less than 12cm to minimize transmission line effects

– Avoid 90° corners for signal traces

– Use an unbroken ground plane below signal traces

– Flood fill areas around signal traces with ground

– Parallel traces must be separated by at least 3x dielectric thickness

– For traces longer than 12cm

• Use impedance controlled traces

• Source-terminate using a series damping resistor near the output

• Avoid branches; buffer each signal that must branch separately

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SN74LVC1G08B-EP

SLVSLC4 – JUNE 2026

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