参数资料
型号: EP20K200EQC240-2N
厂商: Altera
文件页数: 66/117页
文件大小: 0K
描述: IC APEX 20KE FPGA 200K 240-PQFP
产品培训模块: Three Reasons to Use FPGA's in Industrial Designs
标准包装: 24
系列: APEX-20K®
LAB/CLB数: 832
逻辑元件/单元数: 8320
RAM 位总计: 106496
输入/输出数: 168
门数: 404000
电源电压: 1.71 V ~ 1.89 V
安装类型: 表面贴装
工作温度: 0°C ~ 85°C
封装/外壳: 240-BFQFP
供应商设备封装: 240-PQFP(32x32)
52
Altera Corporation
APEX 20K Programmable Logic Device Family Data Sheet
Notes to Table 16:
(1)
To implement the ClockLock and ClockBoost circuitry with the Quartus II software, designers must specify the
input frequency. The Quartus II software tunes the PLL in the ClockLock and ClockBoost circuitry to this frequency.
The fCLKDEV parameter specifies how much the incoming clock can differ from the specified frequency during
device operation. Simulation does not reflect this parameter.
(2)
Twenty-five thousand parts per million (PPM) equates to 2.5% of input clock period.
(3)
During device configuration, the ClockLock and ClockBoost circuitry is configured before the rest of the device. If
the incoming clock is supplied during configuration, the ClockLock and ClockBoost circuitry locks during
configuration because the tLOCK value is less than the time required for configuration.
(4)
The tJITTER specification is measured under long-term observation.
Tables 17 and 18 summarize the ClockLock and ClockBoost parameters
for APEX 20KE devices.
Table 17. APEX 20KE ClockLock & ClockBoost Parameters
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
tR
Input rise time
5ns
tF
Input fall time
5ns
tINDUTY
Input duty cycle
40
60
%
tINJITTER
Input jitter peak-to-peak
2
% of input
period
peak-to-
peak
tOUTJITTER
Jitter on ClockLock or ClockBoost-
generated clock
0.35
% of
output period
RMS
tOUTDUTY
Duty cycle for ClockLock or
ClockBoost-generated clock
45
55
%
tLOCK (2), (3)
Time required for ClockLock or
ClockBoost to acquire lock
40
s
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