Datasheet

©2011 Silicon Storage Technology, Inc. DS-25015A 04/11
43
64 Mbit (x16) Advanced Multi-Purpose Flash Plus
SST38VF6401 / SST38VF6402 / SST38VF6403 / SST38VF6404
Data Sheet
A
Microchip Technology Company
Figure 15:WE# Controlled Sector-Erase Timing Diagram
1309 F10.1
ADDRESS A
MS-0
DQ
15-0
WE#
SW0 SW1 SW2 SW3 SW4 SW5
555 2AA 2AA555 555
XX55 XX50XX55XXAA XX80 XXAA
SA
X
OE#
CE#
SIX-BYTE CODE FOR SECTOR-ERASE
T
SE
RY/BY#
T
BUSY
T
WP
Note: This device also supports CE# controlled Sector-Erase operation The WE# and CE# signals are inter-
changeable as long as minimum timings are met. (See Table 24)
SA
X
= Sector Address
A
MS
= Most significant address
A
MS
=A
21
for SST38VF6401/6402/6403/6404
WP# must be held in proper logic state (V
IL
or V
IH
) 1 µs prior to and 1 µs after the command sequence.
X can be V
IL
or V
IH,
but no other value.