MCM63P818ZP100 데이터 시트보기 (PDF) - Motorola => Freescale
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MCM63P818ZP100
Motorola => Freescale
MCM63P818ZP100 Datasheet PDF : 20 Pages
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TRUTH TABLE (See Notes 1 Through 5)
Next Cycle
Address
Used
SE1
SE2
SE3 ADSP ADSC ADV
G3
DQx
Write 2, 4
Deselect
None
1
X
X
X
0
X
X
High–Z
X
Deselect
None
0
X
1
0
X
X
X
High–Z
X
Deselect
None
0
0
X
0
X
X
X
High–Z
X
Deselect
None
X
X
1
1
0
X
X
High–Z
X
Deselect
Begin Read
Begin Read
None
X
0
X
1
External
0
1
0
0
External
0
1
0
1
0
X
X
High–Z
X
X
X
X
High–Z
X5
0
X
X
High–Z
READ5
Continue Read
Next
X
X
X
1
1
0
1
High–Z
READ
Continue Read
Next
X
X
X
1
1
0
0
DQ
READ
Continue Read
Next
1
X
X
X
1
0
1
High–Z
READ
Continue Read
Next
1
X
X
X
1
0
0
DQ
READ
Suspend Read
Current
X
X
X
1
1
1
1
High–Z
READ
Suspend Read
Current
X
X
X
1
1
1
0
DQ
READ
Suspend Read
Current
1
X
X
X
1
1
1
High–Z
READ
Suspend Read
Current
1
X
X
X
1
1
0
DQ
READ
Begin Write
External
0
1
0
1
0
X
X
High–Z
WRITE
Continue Write
Next
X
X
X
1
1
0
X
High–Z
WRITE
Continue Write
Next
1
X
X
X
1
0
X
High–Z
WRITE
Suspend Write
Current
X
X
X
1
1
1
X
High–Z
WRITE
Suspend Write
Current
1
X
X
X
1
1
X
High–Z
WRITE
NOTES:
1. X = Don’t Care. 1 = logic high. 0 = logic low.
2. Write is defined as either 1) any SBx and SW low or 2) SGW is low.
3. G is an asynchronous signal and is not sampled by the clock K. G drives the bus immediately (tGLQX) following G going low.
4. On write cycles that follow read cycles, G must be negated prior to the start of the write cycle to ensure proper write data setup times. G must
also remain negated at the completion of the write cycle to ensure proper write data hold times.
5. This read assumes the RAM was previously deselected.
ASYNCHRONOUS TRUTH TABLE
Operation
ZZ
Read
L
Read
L
Write
L
Deselected
L
Sleep
H
G
I/O Status
L
Data Out (DQx)
H
High–Z
X
High–Z
X
High–Z
X
High–Z
LINEAR BURST ADDRESS TABLE (LBO = VSS)
1st Address (External)
2nd Address (Internal)
X . . . X00
X . . . X01
X . . . X01
X . . . X10
X . . . X10
X . . . X11
X . . . X11
X . . . X00
3rd Address (Internal)
X . . . X10
X . . . X11
X . . . X00
X . . . X01
4th Address (Internal)
X . . . X11
X . . . X00
X . . . X01
X . . . X10
INTERLEAVED BURST ADDRESS TABLE (LBO = VDD)
1st Address (External)
2nd Address (Internal)
X . . . X00
X . . . X01
X . . . X01
X . . . X00
X . . . X10
X . . . X11
X . . . X11
X . . . X10
3rd Address (Internal)
X . . . X10
X . . . X11
X . . . X00
X . . . X01
4th Address (Internal)
X . . . X11
X . . . X10
X . . . X01
X . . . X00
MOTOROLA FAST SRAM
MCM63P736•MCM63P818
9
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