©2011 Silicon Storage Technology, Inc. DS25023A 08/11
19
1 Mbit / 2 Mbit / 4 Mbit Multi-Purpose Flash
SST39LF010 / SST39LF020 / SST39LF040
SST39VF010 / SST39VF020 / SST39VF040
Data Sheet
Microchip Technology Company
Figure 14:Software ID Exit and Reset
Figure 15:AC Input/Output Reference Waveforms
Figure 16:A Test Load Example
1150 F10.0
ADDRESS A
14-0
DQ
7-0
T
IDA
T
WP
T
WHP
WE#
SW0 SW1 SW2
5555 2AAA 5555
THREE-BYTE SEQUENCE FOR
SOFTWARE ID EXIT AND RESET
OE#
CE#
AA 55 F0
1150 F12.1
REFERENCE POINTS OUTPUTINPUT
V
IT
V
IHT
V
ILT
V
OT
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”. Measurement 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 <5 ns.
Note: V
IT
-V
INPUT
Test
V
OT
-V
OUTPUT
Test
V
IHT
-V
INPUT
HIGH Test
V
ILT
-V
INPUT
LOW Test
1150 F11.1
TO TESTER
TO DUT
C
L
