256 Kbit / 512 Kbit / 1 Mbit / 2 Mbit Multi-Purpose Flash
SST27SF256 / SST27SF512 / SST27SF010 / SST27SF020
Data Sheet
VIHT
VILT
INPUT
VHT
VLT
REFERENCE POINTS
VHT
VLT
OUTPUT
502 ILL F06.0
AC test inputs are driven at VIHT (2.4 V) for a logic “1” and VILT (0.4 V) for a logic “0”. Measurement reference points for
inputs and outputs are VHT (2.0 V) and VLT (0.8 V). Input rise and fall times (10% ↔ 90%) are <10 ns.
FIGURE 11: AC INPUT/OUTPUT REFERENCE WAVEFORMS
Note: VHT - VHIGH Test
VLT - VLOW Test
VIHT - VINPUT HIGH Test
VILT - VINPUT LOW Test
TO DUT
TO TESTER
CL
RL LOW
FIGURE 12: A TEST LOAD EXAMPLE
VDD
RL HIGH
502 ILL F07.1
©2001 Silicon Storage Technology, Inc.
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