參數(shù)資料
型號: CYS25G0101DX
英文描述: Physical Layer Devices
中文描述: 物理層設(shè)備
文件頁數(shù): 9/15頁
文件大?。?/td> 212K
代理商: CYS25G0101DX
CYS25G0101DX
Document #: 38-02009 Rev. *J
Page 9 of 15
AC Waveforms
AC Test Loads
AC Specifications
2.0V
0.8V
3.0V
GND
2.0V
0.8V
< 1 ns
< 1 ns
80%
20%
80%
20%
V
ICHH
3.0V
V
ICLL
V
th
= 1.4V
V
th
= 1.4V
< 150 ps
< 150 ps
80%
20%
80%
20%
V
IEHH
V
IELL
< 1.0 ns
< 1.0 ns
(a) LVTTL Input Test Waveform
V
IHH
(b) CML Input Test Waveform
(d) LVPECL Input Test Waveform
< 1 ns
< 1 ns
(c) HSTL Input Test Waveform
V
th
= 0.75V
V
th
= 0.75V
V
IHL
80%
20%
80%
20%
3.3V
OUTPUT
(a) TTL AC Test Load
(b)
CML AC Test Load
R1
R2
C
L
R
L
R1 = 330
R2 = 510
C
L
10 p
F
(Includes fixture and
probe capacitance)
R
L
= 100
1.5V
OUTPUT
(c) HSTL AC Test Load
R1
R2
C
L
R1 = 100
R2 = 100
C
L
7 pF
(Includes fixture and
probe capacitance)
OUT+
OUT
Table 6. AC Specifications
Parallel Interface
Parameter
t
TS
t
TXCLKI
t
TXCLKID
t
TXCLKIR
t
TXCLKIF
t
TXDS
t
TXDH
t
TOS
t
TXCLKO
t
TXCLKOD
t
TXCLKOR
t
TXCLKOF
t
RS
t
RXCLK
t
RXCLKD
t
RXCLKR
t
RXCLKF
t
RXDS
t
RXDH
t
RXPD
Description
Min.
154.5
6.38
40
0.3
0.3
1.5
0.5
154.5
6.38
43
0.3
0.3
154.5
6.38
43
0.3
0.3
2.2
2.2
1.0
Max.
156.5
6.47
60
1.5
1.5
Unit
MHz
ns
%
ns
ns
ns
ns
MHz
ns
%
ns
ns
MHz
ns
%
ns
ns
ns
ns
ns
TXCLKI Frequency (must be frequency coherent to REFCLK)
TXCLKI Period
TXCLKI Duty Cycle
TXCLKi Rise Time
TXCLKi Fall Time
Write Data Set-up to
of TXCLKI
Write Data Hold from
of TXCLKI
TXCLKO Frequency
TXCLKO Period
TXCLKO Duty Cycle
TXCLKO Rise Time
TXCLKO Fall Time
RXCLK Frequency
RXCLK Period
RXCLK Duty Cycle
RXCLK Rise Time
[6]
RXCLK Fall Time
[6]
Recovered Data Set-up with reference to
of RXCLK
Recovered Data Hold with reference to
of RXCLK
Valid Propagation Delay
156.5
6.47
57
1.5
1.5
156.5
6.47
57
1.5
1.5
1.0
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