LFXP2-5E-5FT256I LATTICE SEMICONDUCTOR, LFXP2-5E-5FT256I Datasheet - Page 32

• Manufacturer Part Number: LFXP2-5E-5FT256I
• Description: FPGA LatticeXP2 Family 5000 Cells Flash Technology 1.2V 256-Pin FTBGA
• Manufacturer: LATTICE SEMICONDUCTOR

Specifications of LFXP2-5E-5FT256I

• Package: 256FTBGA
• Family Name: LatticeXP2
• Device Logic Units: 5000
• Typical Operating Supply Voltage: 1.2 V
• Maximum Number Of User I/os: 172
• Ram Bits: 169984
• Re-programmability Support: Yes

Lattice Semiconductor
shows the diagram using this gearbox function. For more information on this topic, see TN1138,
Speed I/O
Figure 2-27. Output and Tristate Block
DQSXFER
DQSXFER
ONEG1
OPOS1
ONEG0
OPOS0
ONEG1
OPOS1
ONEG0
OPOS0
(CLKA)
(CLKB)
ECLK1
ECLK2
ECLK1
ECLK2
Interface.
CLKA
CLKB
CLK1
CLK1
TD
TD
* Shared with input register
Clock Transfer
Clock Transfer
Registers
Registers
D
D
D-Type*
D-Type*
D-Type
D-Type
D
D
Tristate Logic
Tristate Logic
Q
Q
Q
Q
*
*
D
D
Latch
Latch
Q
Q
0
1
0
1
0
1
0
1
2-29
Note: Simplified version does not show CE and SET/RESET details
0
1
0
1
0
1
0
1
D
D
D
D
D
D
D
D
/LATCH
/LATCH
/LATCH
/LATCH
D-Type
D-Type
D-Type
D-Type
D-Type
D-Type
D-Type
D-Type
Q
Q
Q
Q
Q
Q
Q
Q
LatticeXP2 Family Data Sheet
Comp PIO (B) in LVDS I/O Pair
True PIO (A) in LVDS I/O Pair
D
D
D
D
DDR Output
DDR Output
Latch
Latch
Latch
Latch
Registers
Registers
Q
Q
Q
Q
Output Logic
Output Logic
0
1
0
1
0
1
0
1
0
1
0
1
Programmable
Programmable
Control
Control
0
1
0
1
0
1
0
1
LatticeXP2 High
Architecture
DO
DO
TO
TO