Datasheet

©2011 Silicon Storage Technology, Inc. DS-25015A 04/11
37
64 Mbit (x16) Advanced Multi-Purpose Flash Plus
SST38VF6401 / SST38VF6402 / SST38VF6403 / SST38VF6404
Data Sheet
A
Microchip Technology Company
Figure 7: WE# Controlled Program Cycle Timing Diagram
T
DH
T
WPH
T
DS
T
WP
T
AH
T
AS
T
CH
T
CS
T
BUSY
1309 F04.1
ADDRESS A
MS-0
DQ
15-0
CE#
SW0 SW1 SW2
555 2AA 555 ADDR
XXAA XX55 XXA0
DATA
INTERNAL PROGRAM OPERATION STARTS
WORD
(ADDR/DATA)
OE#
WE#
T
BP
RY/BY#
Note: 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.