lc5256mv Lattice Semiconductor Corp., lc5256mv Datasheet - Page 38

• Manufacturer Part Number: lc5256mv
• Description: 3.3v, 2.5v And 1.8v In-system Programmable Expanded Programmable Logic Device Xpld? Family
• Manufacturer: Lattice Semiconductor Corp.

ispXPLD 5000MX Family Internal Switching Characteristics (Continued)
Lattice Semiconductor
t
t
t
t
t
t
t
t
Dual Port RAM
t
t
t
t
t
t
t
t
t
t
t
t
PDPRWH
PDPDATAS
PDPDATAH
PDPRCLKO
PDPCLKSKEW
PDPRSTO
PDPRSTR
PDPRSTPW
DPMSAS
DPMSAH
DPCEAS
DPCEAH
DPADDAS
DPADDAH
DPRWAS
DPRWAH
DPDATAAS
DPDATAAH
DPMSBS
DPMSBH
Parameter
R/W Hold time after
Clock Time
Data Setup before
Clock Time
Data Hold time after
Clock Time
Read Clock to
Output Delay
Opposite Clock
Cycle Delay
Reset to RAM
Output Delay
Reset Recovery
Time
Reset Pulse Width
Memory Select A
Setup Before R/W A
Time
Memory Select
Hold time after R/W
A Time
Clock Enable A
Setup before Clock
A Time
Clock Enable A
Hold time after
Clock A Time
Address A Setup
before Clock A Time
Address A Hold
time after Clock A
Time
R/W A Setup before
Clock A Time
R/W A Hold time
after Clock A Time
Write Data A Setup
before Clock A Time
Write Data A Hold
time after Clock A
Time
Memory Select B
Setup Before R/W B
Time
Memory Select
Hold time after R/W
B Time
Description
Over Recommended Operating Conditions
Parameter
Base
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
-0.01
-0.27
-0.01
-0.27
-0.01
-2.95
-0.27
-0.01
-0.27
-0.01
-0.27
-0.01
-0.27
-0.01
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max.
1.40
1.20
0.14
3.72
—
—
-4
5.08
3.30
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
38
-0.01
-0.27
-0.01
-0.27
-0.01
-2.95
-0.27
-0.01
-0.27
-0.01
-0.27
-0.01
-0.27
-0.01
1.40
1.20
0.14
3.72
—
—
-45
5.02
3.30
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
ispXPLD 5000MX Family Data Sheet
-0.01
-0.22
-0.01
-0.27
-0.01
-2.95
-0.27
-0.01
-0.27
-0.01
-0.27
-0.01
-0.27
-0.01
1.76
1.50
0.18
3.72
—
—
-5
5.66
4.13
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
-0.01
-0.22
-0.01
-0.27
-0.01
-2.95
-0.27
-0.01
-0.27
-0.01
-0.27
-0.01
-0.27
-0.01
1.76
1.50
0.18
3.72
—
—
-52
5.45
4.13
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
-0.01
-0.21
-0.01
-0.21
-0.01
-2.27
-0.21
-0.01
-0.21
-0.01
-0.21
-0.01
-0.21
-0.01
1.83
1.56
0.19
4.84
—
—
-75
8.54
4.29
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns