LFE2-20E-5FN256I Lattice, LFE2-20E-5FN256I Datasheet - Page 75

• Manufacturer Part Number: LFE2-20E-5FN256I
• Description: IC FPGA 21KLUTS 193I/O 256FPBGA
• Manufacturer: Lattice
• Series: ECP2r

Specifications of LFE2-20E-5FN256I

• Number Of Logic Elements/cells: 21000
• Number Of Labs/clbs: 2625
• Total Ram Bits: 282624
• Number Of I /o: 193
• Number Of Gates: -
• Voltage - Supply: 1.14 V ~ 1.26 V
• Mounting Type: Surface Mount
• Operating Temperature: -40°C ~ 100°C
• Package / Case: 256-BGA
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 220-1170; LFE2-20E-5FN256I; Q6411457

LatticeECP2/M External Switching Characteristics
t
t
t
DDR I/O Pin Parameters
t
t
t
t
f
DDR2 I/O Pin Parameters
t
t
Lattice Semiconductor
HPLL
SU_DELPLL
H_DELPLL
DVADQ
DVEDQ
DQVBS
DQVAS
MAX_DDR
DVADQ
DVEDQ
Parameter
Clock to Data Hold - PIO Input
Register
Clock to Data Setup - PIO Input
Register with Data Input Delay
Clock to Data Hold - PIO Input 
Register with Input Data Delay
Data Valid After DQS (DDR Read)
Data Hold After DQS (DDR Read)
Data Valid Before DQS (DDR Write) ECP2/M
Data Valid After DQS (DDR Write)
DDR Clock Frequency
Data Valid After DQS (DDR Read)
Data Hold After DQS (DDR Read)
2
Description
3
6
Over Recommended Operating Conditions
LFE2-6
LFE2-12
LFE2-20
LFE2-35
LFE2-50
LFE2-70
LFE2M20
LFE2M35
LFE2M50
LFE2M70
LFE2M100
LFE2-6
LFE2-12
LFE2-20
LFE2-35
LFE2-50
LFE2-70
LFE2M20
LFE2M35
LFE2M50
LFE2M70
LFE2M100
LFE2-6
LFE2-12
LFE2-20
LFE2-35
LFE2-50
LFE2-70
LFE2M20
LFE2M35
LFE2M50
LFE2M70
LFE2M100
ECP2/M
ECP2/M
ECP2/M
ECP2/M
ECP2/M
ECP2/M
Device
3-23
0.640
0.250
0.250
0.640
Min.
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.80
1.80
1.80
1.80
1.80
1.80
1.80
1.80
1.90
1.90
2.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
—
95
—
-7
0.225
0.225
Max.
200
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
DC and Switching Characteristics
LatticeECP2/M Family Data Sheet
9
0.640
0.250
0.250
0.640
Min.
1.20
1.20
1.20
1.20
1.20
1.20
1.20
1.20
1.20
1.20
1.20
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.10
2.10
2.20
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
(Continued)
95
—
—
-6
0.225
0.225
Max.
166
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.640
0.250
0.250
0.640
Min.
1.40
1.40
1.40
1.40
1.40
1.40
1.40
1.40
1.40
1.40
1.40
2.20
2.20
2.20
2.20
2.20
2.20
2.20
2.20
2.30
2.30
2.40
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
95
—
—
-5
0.225
0.225
Max.
133
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—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
UI
UI
UI
UI
UI
UI