参数资料
型号: LC5256MB-4F256C
厂商: Lattice Semiconductor Corporation
文件页数: 48/99页
文件大小: 0K
描述: IC XPLD 256MC 4NS 256FPBGA
标准包装: 90
系列: ispXPLD® 5000MB
可编程类型: 系统内可编程
最大延迟时间 tpd(1): 4.0ns
电压电源 - 内部: 2.3 V ~ 2.7 V
逻辑元件/逻辑块数目: 8
宏单元数: 256
输入/输出数: 141
工作温度: 0°C ~ 90°C
安装类型: 表面贴装
封装/外壳: 256-BGA
供应商设备封装: 256-FPBGA(17x17)
包装: 托盘
Lattice Semiconductor
ispXPLD 5000MX Family Data Sheet
48
Switching Test Conditions
Figure 21 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 14.
Figure 21. Output Test Load, LVTTL and LVCMOS Standards
Table 14. Test Fixture Required Components
Test Condition
R1
R2
CL
Timing Ref.
VCCO
Default LVCMOS 1.8 I/O (L -> H, H -> L)
106
35pF
VCCO/2
1.8V
LVCMOS I/O (L -> H, H -> L)
35pF
LVCMOS3.3 = 1.5V
LVCMOS3.3 = 3.0V
LVCMOS2.5 = VCCO/2
LVCMOS2.5 = 2.3V
LVCMOS1.8 = VCCO/2
LVCMOS1.8 = 1.65V
Default LVCMOS 1.8 I/O (Z -> H)
106
35pF
VCCO/2
1.65V
Default LVCMOS 1.8 I/O (Z -> L)
106
35pF
VCCO/2
1.65V
Default LVCMOS 1.8 I/O (H -> Z)
106
5pF
VOH - 0.15
1.65V
Default LVCMOS 1.8 I/O (L -> Z)
106
5pF
VOL + 0.15
1.65V
Note: Output test conditions for all other interfaces are determined by the respective standards.
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