8 Mbit LPC Flash
A Microchip Technology Company
V IHT
SST49LF080A
Data Sheet
INPUT
V IT
REFERENCE POINTS
V OT
OUTPUT
V ILT
1235 F27.0
AC test inputs are driven at V IHT (0.9 V DD ) for a logic “1” and V ILT (0.1 V DD ) for a logic “0”. Measure-
ment reference points for inputs and outputs are V IT (0.5 V DD ) and V OT (0.5 V DD ). Input rise and fall
times (10% ? 90%) are <3 ns.
Note: V IT - V INPUT Test
V OT - V OUTPUT Test
V IHT - V INPUT HIGH Test
V ILT - V INPUT LOW Test
Figure 28: AC Input/Output Reference Waveforms
TO TESTER
TO DUT
C L
1235 F28.0
Figure 29: A Test Load Example
Read
Command Sequence
Address: A IN
Read Data: D OUT
Cycle: 1
Available for
Next Command
1235 F29.0
Figure 30: Read Flowchart (LPC Mode)
?2011 Silicon Storage Technology, Inc.
39
DS25086A
11/11
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