LFEC3E-3FN256C LATTICE SEMICONDUCTOR, LFEC3E-3FN256C Datasheet - Page 30

• Manufacturer Part Number: LFEC3E-3FN256C
• Description: FPGA LatticeEC Family 3100 Cells 340MHz 130nm (CMOS) Technology 1.2V 256-Pin FBGA
• Manufacturer: LATTICE SEMICONDUCTOR

Specifications of LFEC3E-3FN256C

• Package: 256FBGA
• Family Name: LatticeEC
• Device Logic Units: 3100
• Maximum Internal Frequency: 340 MHz
• Typical Operating Supply Voltage: 1.2 V
• Maximum Number Of User I/os: 160
• Ram Bits: 56320
• In System Programmability: Yes

Lattice Semiconductor
Figure 2-32. DQS Local Bus.
Figure 2-33. DLL Calibration Bus and DQS/DQS Transition Distribution
Control
Polarity
Control
Delay
DQS
Bus
Bus
Bus
Delay Control Bus
DQS
DQS
CLKI
GSR
DQS
CEI
DLL
DLL
To DDR
Reg.
Polarity Control
Register Block
( 5 Flip Flops)
2-27
PIO
PIO
DQSDEL
Logic
Input
To Sync.
Calibration Bus
from DLL
Reg.
LatticeECP/EC Family Data Sheet
Polarity Control Bus
Buffer
Buffer
sysIO
sysIO
DI
DI
DQS Bus
Datain
Strobe
DDR
DQS
PAD
PAD
Architecture