MT28C256532W18S Micron Semiconductor Products, Inc., MT28C256532W18S Datasheet - Page 12

• Manufacturer Part Number: MT28C256532W18S
• Description: 256Mb Multibank Burst Flash 32Mb/64Mb Async/page Cellularram Combo, 88-Ball Fbga
• Manufacturer: Micron Semiconductor Products, Inc.

Table 5:
Read
Write
Standby
Output
Disable
Reset
Read
Write
Standby
Output
Disable
Deep
Sleep
Mode
MODES
Truth Table
F_CE#
Flash any mode allowable
Flash must be in High-Z
H
X
L
L
L
FLASH SIGNALS
F_OE#
H
H
X
X
L
F_WE# F_RP# ADV# WAIT#
H
X
H
X
L
SHARED SIGNALS
H
H
H
H
X
X
X
X
X
L
X
X
X
X
X
X
L
L
L
L
Valid
Valid
Valid
Valid
X
X
X
X
X
X
PS_CE#
H
H
L
L
L
CellularRAM any mode allowable
CellularRAM must be in High-Z
PS_CRE# PS_OE# PS_UB/LB PS_WE#
CellularRAM SIGNALS
H
H
H
H
L
H
X
H
X
L
X
X
X
L
L
H
X
X
X
L
MEMORY
CONTROL
PSRAM
PSRAM
MEMORY OUPUT
Other
Other
Other
Other
Other
None
Flash
Flash
BUS
D0–D15
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
D
D
D
D
OUT
OUT
IN
IN