参数资料
型号: EP20K100ERC208-1ES
元件分类: 数字电位计
英文描述: Digitally Controlled Potentiometer (XDCP™) Terminal Voltage ±2.7V or ±5V, 128 Taps I2C Serial Interface; Temperature Range: -40°C to 85°C; Package: 10-MSOP
中文描述: FPGA的
文件页数: 65/114页
文件大小: 1623K
代理商: EP20K100ERC208-1ES
54
Altera Corporation
APEX 20K Programmable Logic Device Family Data Sheet
Notes to tables:
(1)
All input clock specifications must be met. The PLL may not lock onto an incoming clock if the clock specifications
are not met, creating an erroneous clock within the device.
(2)
The maximum lock time is 40 s or 2000 input clock cycles, whichever occurs first.
(3)
Before configuration, the PLL circuits are disable and powered down. During configuration, the PLLs are still
disabled. The PLLs begin to lock once the device is in the user mode. If the clock enable feature is used, lock begins
once the CLKLK_ENA pin goes high in user mode.
(4)
The PLL VCO operating range is 200 MHz fVCO 840 MHz for LVDS mode.
Table 18. APEX 20KE Clock Input & Output Parameters
Symbol
Parameter
I/O Standard
-1X Speed Grade
-2X Speed Grade
Units
Min
Max
Min
Max
fVCO (4)
Voltage controlled oscillator
operating range
200
500
200
500
MHz
fCLOCK0
Clock0
PLL output frequency
for internal use
1.5
335
1.5
200
MHz
fCLOCK1
Clock1
PLL output frequency
for internal use
20
335
20
200
MHz
fCLOCK0_EXT
Output clock frequency for
external clock0 output
3.3-V LVTTL
1.5
245
1.5
226
MHz
2.5-V LVTTL
1.5
234
1.5
221
MHz
1.8-V LVTTL
1.5
223
1.5
216
MHz
GTL+
1.5
205
1.5
193
MHz
SSTL-2 Class I
1.5
158
1.5
157
MHz
SSTL-2 Class II
1.5
142
1.5
142
MHz
SSTL-3 Class I
1.5
166
1.5
162
MHz
SSTL-3 Class II
1.5
149
1.5
146
MHz
LVDS
1.5
420
1.5
350
MHz
fCLOCK1_EXT
Output clock frequency for
external clock1 output
3.3-V LVTTL
20
245
20
226
MHz
2.5-V LVTTL
20
234
20
221
MHz
1.8-V LVTTL
20
223
20
216
MHz
GTL+
20
205
20
193
MHz
SSTL-2 Class I
20
158
20
157
MHz
SSTL-2 Class II
20
142
20
142
MHz
SSTL-3 Class I
20
166
20
162
MHz
SSTL-3 Class II
20
149
20
146
MHz
LVDS
20
420
20
350
MHz
fIN
Input clock frequency
3.3-V LVTTL
1.5
290
1.5
257
MHz
2.5-V LVTTL
1.5
281
1.5
250
MHz
1.8-V LVTTL
1.5
272
1.5
243
MHz
GTL+
1.5
303
1.5
261
MHz
SSTL-2 Class I
1.5
291
1.5
253
MHz
SSTL-2 Class II
1.5
291
1.5
253
MHz
SSTL-3 Class I
1.5
300
1.5
260
MHz
SSTL-3 Class II
1.5
300
1.5
260
MHz
LVDS
1.5
420
1.5
350
MHz
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