mcm63p631 Freescale Semiconductor, Inc, mcm63p631 Datasheet - Page 6

• Manufacturer Part Number: mcm63p631
• Description: 64k X 32 Bit Pipelined Burstram Synchronous Fast Static Ram
• Manufacturer: Freescale Semiconductor, Inc

MCM63P631
6
ASYNCHRONOUS TRUTH TABLE
LINEAR BURST ADDRESS TABLE
INTERLEAVED BURST ADDRESS TABLE
WRITE TRUTH TABLE
Read
Read
Write Byte a
Write Byte b
Write Byte c
Write Byte d
Write All Bytes
Write All Bytes
Deselected
Operation
1st Address (External)
1st Address (External)
Sleep
Read
Read
Write
Cycle Type
X . . . X00
X . . . X01
X . . . X10
X . . . X00
X . . . X01
X . . . X10
X . . . X11
X . . . X11
ZZ
H
L
L
L
L
2nd Address (Internal)
2nd Address (Internal)
SGW
(LBO = V SS )
H
H
H
H
H
H
H
L
X . . . X01
X . . . X10
X . . . X11
X . . . X00
X . . . X01
X . . . X00
X . . . X11
X . . . X10
(LBO = V DD )
G
H
L
X
X
X
SW
H
L
L
L
L
L
L
X
Data Out (DQx)
I/O Status
High–Z
High–Z
High–Z
High–Z
3rd Address (Internal)
3rd Address (Internal)
SBa
X
H
H
H
H
X
L
L
X . . . X10
X . . . X00
X . . . X01
X . . . X10
X . . . X00
X . . . X01
X . . . X11
X . . . X11
SBb
X
H
H
H
H
X
L
L
MOTOROLA FAST SRAM
4th Address (Internal)
4th Address (Internal)
SBc
H
H
H
H
X
L
L
X
X . . . X11
X . . . X00
X . . . X01
X . . . X10
X . . . X11
X . . . X10
X . . . X01
X . . . X00
SBd
H
H
H
H
X
L
L
X