LFE2-20E-5FN256I Lattice, LFE2-20E-5FN256I Datasheet - Page 510

• 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

Lattice Semiconductor
Table 9-7. IO_TYPE Attribute Values
OPENDRAIN
LVCMOS and LVTTL I/O standards can be set to open drain configuration by using the OPENDRAIN attribute.
Values: ON, OFF
Default: OFF
DRIVE
The DRIVE attribute will set the programmable drive strength for the output standards that have programmable
drive capability
DEFAULT
LVDS 2.5V
RSDS
Emulated LVDS 2.5V
Bus LVDS 2.5V
LVPECL 3.3V
HSTL18 Class I and II
Differential HSTL 18 Class I and II
HSTL 15 Class I
Differential HSTL 15 Class I
SSTL 33 Class I and II
Differential SSTL 33 Class I and II
SSTL 25 Class I and II
Differential SSTL 25 Class I and II
SSTL 18 Class I and II
Differential SSTL 18 Class I
LVTTL
3.3V LVCMOS
2.5V LVCMOS
1.8V LVCMOS
1.5V LVCMOS
1.2V LVCMOS
3.3V PCI
1. These differential standards are implemented by using a complementary 
LVCMOS driver with external resistor pack.
sysIO Signaling Standard
9-9
LVCMOS25
LVDS25
RSDS
LVDS25E
BLVDS25
LVPECL33
HSTL18_I, HTSL18_II
HSTL18D_I, HSTL18D_II
HSTL15_I
HSTL15D_I
SSTL33_I, SSTL33_II
SSTL33D_I, SSTL3D_II
SSTL25_I,SSTL25_II
SSTL25D_I, SSTL25D_II
SSTL18_I, SSTL18_II
SSTL18D_I,SSTL18D_II
LVTTL33
LVCMOS33
LVCMOS25
LVCMOS18
LVCMOS15
LVCMOS12
PCI33
1
1
IO_TYPE
1
LatticeECP2/M sysIO
Usage Guide