LC4256ZE-B-EVN Lattice, LC4256ZE-B-EVN Datasheet - Page 32

• Manufacturer Part Number: LC4256ZE-B-EVN
• Description: Programmable Logic Development Tools ispMACH 4256ZE Breakout Board
• Manufacturer: Lattice
• Series: ispMACH®r
• Type: CPLDr

Specifications of LC4256ZE-B-EVN

• Contents: Board, Cable
• Lead Free Status / Rohs Status: Details
• For Use With/related Products: LC4256ZE-5TN144C

Lattice Semiconductor
Switching Test Conditions
Figure 17 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 13.
Figure 17. Output Test Load, LVTTL and LVCMOS Standards
Table 13. Test Fixture Required Components
LVCMOS I/O, (L -> H, H -> L)
LVCMOS I/O (Z -> H)
LVCMOS I/O (Z -> L)
LVCMOS I/O (H -> Z)
LVCMOS I/O (L -> Z)
1. C
L
includes test fixtures and probe capacitance.
Test Condition
DUT
106 106
106
106
R


1
106
106
R


2
V
R 1
R 2
32
CCO
35pF
35pF
35pF
5pF
5pF
C
L
1
C L
ispMACH 4000ZE Family Data Sheet
LVCMOS 1.8 =
LVCMOS 1.5 =
LVCMOS 2.5 =
LVCMOS 3.3 = 1.5V
0213A/ispm4k
Timing Ref.
V
V
Point
OH
OL
Test
1.5V
1.5V
+ 0.3
- 0.3
V
V
V
CCO
CCO
CCO
2
2
2
LVCMOS 1.8 = 1.65V
LVCMOS 3.3 = 3.0V
LVCMOS 2.5 = 2.3V
LVCMOS 1.5 = 1.4V
V
3.0V
3.0V
3.0V
3.0V
CCO