参数资料
型号: P0037
厂商: Terasic Technologies Inc
文件页数: 7/34页
文件大小: 0K
描述: BOARD DEV/EDUCATION ALTERA DE0
产品培训模块: Cyclone® III FPGA
标准包装: 1
类型: FPGA
适用于相关产品: Cyclone III
所含物品: 板,线缆,CD,电源
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544-2476-ND - IC CYCLONE III FPGA 16K 484UBGA
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Chapter 1: Cyclone III Device Datasheet
1–7
Electrical Characteristics
The OCT resistance may vary with the variation of temperature and voltage after
calibration at device power-up. Use Table 1–8 and Equation 1–1 to determine the final
OCT resistance considering the variations after calibration at device power-up.
Table 1–8 lists the change percentage of the OCT resistance with voltage and
temperature.
Table 1–8. Cyclone III Devices OCT Variation After Calibration at Device Power-Up
Nominal Voltage
3.0
2.5
1.8
1.5
1.2
(1) , (2) , (3) , (4) , (5) , (6)
Equation 1–1.
dR/dT (%/°C)
0.262
0.234
0.219
0.199
0.161
dR/dV (%/mV)
–0.026
–0.039
–0.086
–0.136
–0.288
? R V = (V 2 – V 1 ) × 1000 × dR/dV
? R T = (T 2 – T 1 ) × dR/dT
For ? R x < 0; MF x = 1/ (| ? R x |/100 + 1)
For ? R x > 0; MF x = ? R x /100 + 1
MF = MF V × MF T
R final = R initial × MF
Notes to Equation 1–1 :
(1) T 2 is the final temperature.
(2) T 1 is the initial temperature.
(3) MF is multiplication factor.
(4) R final is final resistance.
(5) R initial is initial resistance.
(6) Subscript × refers to both V and T .
(7) ? R V is variation of resistance with voltage.
(8) ? R T is variation of resistance with temperature.
(9) dR/dT is the change percentage of resistance with temperature after calibration at device power-up.
(10) dR/dV is the change percentage of resistance with voltage after calibration at device power-up.
(11) V 2 is final voltage.
(12) V 1 is the initial voltage.
July 2012
Altera Corporation
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