LC4256C-5FT256AC Lattice, LC4256C-5FT256AC Datasheet - Page 41

• Manufacturer Part Number: LC4256C-5FT256AC
• Description: CPLD - Complex Programmable Logic Devices 256MC 128 I/O ispJTAG 1.8V 5ns
• Manufacturer: Lattice

Specifications of LC4256C-5FT256AC

• Memory Type: EEPROM
• Number Of Macrocells: 256
• Maximum Operating Frequency: 227.27 MHz
• Delay Time: 5 ns
• Number Of Programmable I/os: 160
• Operating Supply Voltage: 1.8 V
• Maximum Operating Temperature: + 90 C
• Minimum Operating Temperature: 0 C
• Package / Case: FTBGA
• Mounting Style: SMD/SMT
• Number Of Product Terms Per Macro: 80
• Factory Pack Quantity: 450
• Supply Current: 2.5 mA
• Supply Voltage - Max: 1.95 V
• Supply Voltage - Min: 1.65 V

Lattice Semiconductor
Switching Test Conditions
Figure 12 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 11.
Figure 12. Output Test Load, LVTTL and LVCMOS Standards
Table 11. 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
41
CCO
35pF
35pF
35pF
5pF
5pF
C
L
ispMACH 4000V/B/C/Z Family Data Sheet
1
C L
LVCMOS 3.3 = 1.5V
LVCMOS 2.5 = V
LVCMOS 1.8 = V
1.5V
1.5V
V
V
OH
OL
+ 0.3
- 0.3
0213A/ispm4k
Timing Ref.
Point
Test
CCO
CCO
/2
/2
LVCMOS 3.3 = 3.0V
LVCMOS 2.5 = 2.3V
LVCMOS 1.8 = 1.65V
3.0V
3.0V
3.0V
3.0V
V
CCO