参数资料
型号: LAMXO640C-3TN144E
厂商: Lattice Semiconductor Corporation
文件页数: 30/77页
文件大小: 0K
描述: IC FPGA AUTO 640LUTS 144TQFP
标准包装: 60
系列: LA-MachXO
可编程类型: 系统内可编程
最大延迟时间 tpd(1): 4.9ns
电压电源 - 内部: 1.71 V ~ 3.465 V
宏单元数: 320
输入/输出数: 113
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 144-LQFP
供应商设备封装: 144-TQFP(20x20)
包装: 托盘
其它名称: 220-1640
LAMXO640C-3TN144E-ND
3-10
DC and Switching Characteristics
Lattice Semiconductor
LA-MachXO Automotive Family Data Sheet
Table 3-2. BLVDS DC Conditions
1
Over Recommended Operating Conditions
LVPECL
The LA-MachXO automotive family supports the differential LVPECL standard through emulation. This output stan-
dard is emulated using complementary LVCMOS outputs in conjunction with a parallel resistor across the driver
outputs on all the devices. The LVPECL input standard is supported by the LVDS differential input buffer on certain
devices. The scheme shown in Figure 3-3 is one possible solution for point-to-point signals.
Figure 3-3. Differential LVPECL
Table 3-3. LVPECL DC Conditions
1
Over Recommended Operating Conditions
Nominal
Symbol
Description
Zo = 45
Zo = 90
Units
ZOUT
Output impedance
100
ohm
RTLEFT
Left end termination
45
90
ohm
RTRIGHT
Right end termination
45
90
ohm
VOH
Output high voltage
1.375
1.48
V
VOL
Output low voltage
1.125
1.02
V
VOD
Output differential voltage
0.25
0.46
V
VCM
Output common mode voltage
1.25
V
IDC
DC output current
11.2
10.2
mA
1. For input buffer, see LVDS table.
Symbol
Description
Nominal
Units
ZOUT
Output impedance
100
ohm
RP
Driver parallel resistor
150
ohm
RT
Receiver termination
100
ohm
VOH
Output high voltage
2.03
V
VOL
Output low voltage
1.27
V
VOD
Output differential voltage
0.76
V
VCM
Output common mode voltage
1.65
V
ZBACK
Back impedance
85.7
ohm
IDC
DC output current
12.7
mA
1. For input buffer, see LVDS table.
Transmission line, Zo = 100 ohm differential
100 ohms
16mA
100 ohms
Off-chip
On-chip
VCCIO = 3.3V
+
-
150 ohms
On-chip
Off-chip
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