A Microchip Technology Company
2 Mbit SPI Serial Flash
SST25VF020B
Data Sheet
VIHT
VHT
VHT
VILT
INPUT
REFERENCE POINTS
VLT
VLT
OUTPUT
1417 IORef.0
AC test inputs are driven at VIHT (0.9VDD) for a logic “1” and VILT (0.1VDD) for a logic “0”. Measure-
ment reference points for inputs and outputs are VHT (0.6VDD) and VLT (0.4VDD). Input rise and
fall times (10% ↔ 90%) are <5 ns.
Note: VHT - VHIGH Test
VLT - VLOW Test
VIHT - VINPUT HIGH Test
VILT - VINPUT LOW Test
Figure 29:AC Input/Output Reference Waveforms
TO TESTER
TO DUT
CL
Figure 30:A Test Load Example
1417 TstLd.0
©2011 Silicon Storage Technology, Inc.
31
S71417-03-000
02/11