LFXP2-5E-5FT256I LATTICE SEMICONDUCTOR, LFXP2-5E-5FT256I Datasheet - Page 77

• 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
Switching Test Conditions
Figure 3-11 shows the output test load that is used for AC testing. The specific values for resistance, capacitance,
voltage, and other test conditions are shown in Table 3-6.
Figure 3-11. Output Test Load, LVTTL and LVCMOS Standards
Table 3-6. Test Fixture Required Components, Non-Terminated Interfaces
LVTTL and other LVCMOS settings (L -> H, H -> L)
LVCMOS 2.5 I/O (Z -> H)
LVCMOS 2.5 I/O (Z -> L)
LVCMOS 2.5 I/O (H -> Z)
LVCMOS 2.5 I/O (L -> Z)
Note: Output test conditions for all other interfaces are determined by the respective standards.
Test Condition
*CL Includes Test Fixture and Probe Capacitance
DUT
V
R1
R2
T
1M
100
R



1
3-33
1M
100
R



CL*
2
Test Poi nt
0pF
C
DC and Switching Characteristics
L
LatticeXP2 Family Data Sheet
LVCMOS 3.3 = 1.5V
LVCMOS 2.5 = V
LVCMOS 1.8 = V
LVCMOS 1.5 = V
LVCMOS 1.2 = V
V
V
V
V
OH
OL
CCIO
CCIO
+ 0.10
- 0.10
/2
/2
Timing Ref.
CCIO
CCIO
CCIO
CCIO
/2
/2
/2
/2
V
V
CCIO
CCIO
V
—
—
—
—
—
—
—
T