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DS80C320-ENG Datasheet(PDF) 24 Page - Dallas Semiconductor

No. de pieza DS80C320-ENG
Descripción Electrónicos  High-Speed/Low-Power Micro
PDF  42 Pages
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Fabricante Electrónico  DALLAS [Dallas Semiconductor]
Página de inicio  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS80C320-ENG Datasheet(HTML) 24 Page - Dallas Semiconductor

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DS80C320/DS80C323
24 of 42
DS80C320 MOVX CHARACTERISTICS UP TO 25 MHz
PARAMETER
SYMBOL
VARIABLE
CLOCK
MIN
VARIABLE
CLOCK
MAX
UNITS
STRETCH
RD
Pulse Width
tRLRH
2tCLCL-11
tMCS-11
ns
tMCS=0
tMCS>0
WR
Pulse Width
tWLWH
2tCLCL-11
tMCS-11
ns
tMCS=0
tMCS>0
RD
Low to Valid Data In
tRLDV
2tCLCL-25
tMCS-25
ns
tMCS=0
tMCS>0
Data Hold After Read
tRHDX
0
ns
Data Float After Read
tRHDZ
tCLCL-5
2tCLCL-5
ns
tMCS=0
tMCS>0
ALE Low to Valid
Data In
tLLDV
2.5tCLCL-26
1.5tCLCL-28+tMCS
ns
tMCS=0
tMCS>0
Port 0 Address to Valid
Data In
tAVDV1
3tCLCL-24
2tCLCL-31+tMCS
ns
tMCS=0
tMCS>0
Port 2 Address to Valid
Data In
tAVDV2
3.5tCLCL-32
2.5tCLCL-34+tMCS
ns
tMCS=0
tMCS>0
ALE Low to RD or WR
Low
tLLWL
0.5tCLCL-5
1.5tCLCL-5
0.5tCLCL+6
1.5tCLCL+8
ns
tMCS=0
tMCS>0
Port 0 Address Valid to
RD
or WR Low
tAVWL1
tCLCL-9
2tCLCL-10
ns
tMCS=0
tMCS>0
Port 2 Address Valid to
RD
or WR Low
tAVWL2
1.5tCLCL-9
2.5tCLCL-13
ns
tMCS=0
tMCS>0
Data Valid to
WR
Transition
tQVWX
-9
tCLCL-10
ns
tMCS=0
tMCS>0
Data Hold After Write
tWHQX
tCLCL-7
2tCLCL-5
ns
tMCS=0
tMCS>0
RD
Low to Address Float
tRLAZ
note 5
ns
RD
or WR High to
ALE High
tWHLH
0
tCLCL-5
10
tCLCL+11
ns
tMCS=0
tMCS>0
NOTE: tMCS is a time period related to the Stretch memory cycle selection. The following table shows the
value of tMCS for each Stretch selection.
M2
M1
M0
MOVX CYCLES
tMCS
0
0
0
2 machine cycles
0
0
0
1
3 machine cycles (default)
4 tCLCL
0
1
0
4 machine cycles
8 tCLCL
0
1
1
5 machine cycles
12 tCLCL
1
0
0
6 machine cycles
16 tCLCL
1
0
1
7 machine cycles
20 tCLCL
1
1
0
8 machine cycles
24 tCLCL
1
1
1
9 machine cycles
28 tCLCL



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