VIH
Addresses
VIL
VIH
Disabled
CEx (WE#) VIL
Enabled
VIH
OE#
VIL
Disabled VIH
WE# (CEx)
Enabled VIL
DQ0–DQ15 VIH
VIL
VOH
STS VOL
VIH
RP# VIL
VPENH
VPENLK
VPEN
VIL
RESUME OPERATIONS1
Note 2
((
))
AIN
((
))
tAS
((
))
128Mb, 64Mb, 32Mb
Q-FLASH MEMORY
Note 3
AIN
tAH
tCH
((
))
tCS
tWEH
((
))
tWP
tDS
tDH
Command
((
))
tSTS
((
))
((
))
Command
tSTS
Note 4
((
))
UNDEFINED
TIMING PARAMETERS
SYMBOL
tCS
tWP
tDS
tAS
tCH
-11/-12/-15
MIN MAX
0
70
50
55
0
UNITS
ns
ns
ns
ns
ns
SYMBOL
tDH
tAH
tSTS
tWEH
-11/-12/-15
MIN MAX
0
0
200
200
UNITS
ns
ns
ns
ns
NOTE:
1. CEx LOW is defined as the first edge of CE0, CE1, or CE2 that enables the device. CEx HIGH is defined at the first edge
of CE0, CE1, or CE2 that disables the device (see Table 2). STS is shown in its default mode (RY/BY#).
2. Erase resume, or program resume.
3. Read status, erase suspend or program suspend.
4. STS value will be:
VIH after ERASE SUSPEND and PROGRAM SUSPEND commands
VIL after READ STATUS command
128Mb, 64Mb, 32Mb Q-Flash Memory
MT28F640J3_7.p65 – Rev. 6, Pub. 8/02
48
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2002, Micron Technology, Inc.