lc5256mv Lattice Semiconductor Corp., lc5256mv Datasheet - Page 37

• 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
t
Pseudo Dual Port RAM
t
t
t
t
t
t
t
t
t
t
t
SPADDH
SPRWS
SPRWH
SPDATAS
SPDATAH
SPCLKO
SPRSTO
SPRSTR
SPRSTPW
PDPMSS
PDPMSH
PDPRCES
PDPRCEH
PDPWCES
PDPWCEH
PDPRADDS
PDPRADDH
PDPWADDS
PDPWADDH
PDPRWS
Parameter
Address Hold time
after Clock Time
R/W Setup before
Clock Time
R/W Hold time after
Clock Time
Data Setup before
Clock Time
Data Hold time after
Clock Time
Clock to Output
Delay
Reset to RAM
Output Delay
Reset Recovery
Time
Reset Pulse Width
Memory Select
Setup Before Clock
Memory Select
Hold time after
Clock
Clock Enable Setup
before Read Clock
Time
Clock Enable Hold
time after Read
Clock Time
Clock Enable Setup
before Write Clock
Time
Clock Enable Hold
time after Write
Clock Time
Read Address
Setup before Read
Clock Time
Read Address Hold
after Read Clock
Time
Write Address
Setup before Write
Clock Time
Write Address Hold
after Write Clock
Time
R/W Setup before
Clock Time
Description
Over Recommended Operating Conditions
Parameter
Base
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
-0.01
-0.27
-0.01
-0.27
-0.01
-0.27
-0.01
-2.95
-2.95
-0.27
-0.01
-0.27
-0.01
-0.27
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max.
1.20
0.14
2.33
1.87
—
—
-4
5.97
3.30
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
37
-0.01
-0.27
-0.01
-0.27
-0.01
-0.27
-0.01
-2.95
-2.95
-0.27
-0.01
-0.27
-0.01
-0.27
1.20
0.14
2.33
1.87
—
—
-45
5.97
3.30
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
ispXPLD 5000MX Family Data Sheet
-0.01
-0.27
-0.01
-0.27
-0.01
-0.22
-0.01
-2.36
-2.36
-0.22
-0.01
-0.22
-0.01
-0.22
1.20
0.14
2.91
2.34
—
—
-5
5.97
3.30
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
-0.01
-0.27
-0.01
-0.27
-0.01
-0.22
-0.01
-2.36
-2.36
-0.22
-0.01
-0.22
-0.01
-0.22
1.20
0.14
2.91
2.34
—
—
-52
5.97
3.30
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
-0.01
-0.21
-0.01
-0.21
-0.01
-0.21
-0.01
-2.27
-2.27
-0.21
-0.01
-0.21
-0.01
-0.21
1.56
0.19
3.03
2.43
—
—
-75
9.86
4.29
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns