SST29SF040 datasheet(16/25 Pages) SST

16 / 25 page

Data Sheet

2 Mbit / 4 Mbit Small-Sector Flash

SST29SF020 / SST29SF040

SST29VF020 / SST29VF040

S71160-13-000

10/06

FIGURE 13: AC Input/Output Reference Waveforms for SST29SF020/040

FIGURE 14: AC Input/Output Reference Waveforms for SST29VF020/040

FIGURE 15: Test Load Examples

1160 F12.0

REFERENCE POINTS

OUTPUT

INPUT

VIT

VIHT

VILT

VOT

AC test inputs are driven at VIHT (3.0V) for a logic “1” and VILT (0V) for a logic “0”. Measurement reference points for inputs

and outputs are VIT (1.5 VDD) and VOT (1.5 VDD). Input rise and fall times (10% ↔ 90%) are <10 ns.

Note: VIT - VINPUT Test

VOT - VOUTPUT Test

VIHT - VINPUT HIGH Test

VILT - VINPUT LOW Test

1160 F12.0

REFERENCE POINTS

OUTPUT

INPUT

VIT

VIHT

VILT

VOT

AC test inputs are driven at VIHT (0.9 VDD) for a logic “1” and VILT (0.1 VDD) for a logic “0”. Measurement reference points

for inputs and outputs are VIT (0.5 VDD) and VOT (0.5 VDD). Input rise and fall times (10% ↔ 90%) are <5 ns.

Note: VIT - VINPUT Test

VOT - VOUTPUT Test

VIHT - VINPUT HIGH Test

VILT - VINPUT LOW Test

1160 F14a.0

SST29SF040

TO TESTER

TO DUT

RL LOW

RL HIGH

VDD

1160 F14b.0

TO TESTER

TO DUT

SST29VF040

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