參數(shù)資料
型號(hào): EP2C20F256I6N
廠商: ALTERA CORP
元件分類: FPGA
英文描述: FPGA, 1196 CLBS, PBGA256
封裝: LEAD FREE, FBGA-256
文件頁數(shù): 3/168頁
文件大?。?/td> 2206K
代理商: EP2C20F256I6N
5–10
Altera Corporation
Cyclone II Device Handbook, Volume 1
February 2008
Operating Conditions
Figure 5–2 shows the transmitter output waveforms for all supported
differential output standards (LVDS, mini-LVDS, RSDS, differential 1.5-V
HSTL class I and II, differential 1.8-V HSTL class I and II, differential
SSTL-2 class I and II, and differential SSTL-18 class I and II).
Figure 5–2. Transmitter Output Waveforms for Differential I/O Standards
Notes to Figure 5–2:
(1)
VOD is the output differential voltage. VOD = |p – n|.
(2)
VOCM is the output common mode voltage. VOCM = (p + n)/2.
(3)
The p – n waveform is a function of the positive channel (p) and the negative channel (n).
Table 5–9 shows the DC characteristics for user I/O pins with differential
I/O standards.
Single-Ended Waveform
Differential Waveform (Mathematical Function of Positive and Negative Channel)
Positive Channel (p) = VOH
Negative Channel (n) = VOL
Ground
VOD (1)
0 V
VOCM (2)
p
n (3)
Table 5–9. DC Characteristics for User I/O Pins Using Differential I/O Standards Note (1) (Part 1 of 2)
I/O Standard
VOD (mV)
ΔVOD (mV)
VOCM (V)
VOH (V)
VOL (V)
Min
Typ
Max
Min Max
Min
Typ
Max
Min
Max
Min
Max
LVDS
250
600
50
1.125
1.25
1.375
mini-LVDS (2)
300
600
50
1.125
1.25
1.375
RSDS (2)
100
600
1.125
1.25
1.375
Differential 1.5-V
HSTL class I
and II (3)
———
VCCI O
– 0.4
——
0.4
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EP2C20F256I8GA 制造商:Altera Corporation 功能描述:
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