參數(shù)資料
型號: DS3160
元件分類: 通信及網(wǎng)絡(luò)
英文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁數(shù): 96/107頁
文件大小: 592K
代理商: DS3160
DS3160
96 of 107
AC CHARACTERISTICS—FRAMER PORTS
(V
DD
= 3.135V to 3.465V, 0 C to +70 C for DS3160)
(V
DD
= 3.135V to 3.465V, 0 C to +85 C for DS3160C01)
(V
DD
= 3.135V to 3.465V, -40 C to +85 C for DS3160N)
SYMBOL
MIN
TYP
t1
158.43
PARAMETER
MAX
UNITS
ns
NOTES
1
FRCLK/FTCLK Clock Period
FTCLK Clock Low Time
t2
63
ns
FTCLK Clock High Time
FTD/FTSOF Setup Time to the
Rising Edge or Falling Edge of
FTCLK
(Note 4)
FTD/FTSOF Hold Time from the
Rising Edge or Falling Edge of
FTCLK
(Note 4)
Delay from the Rising Edge or
Falling Edge of FRCLK/FTCLK to
Data Valid on FRDEN/FRD/
FRSOF/FTDEN/FTSOF (Note 5)
Delay from the Rising Edge or
Falling Edge of FTCLK to FTDEN
(FTDEN in Gapped Clock Mode)
Delay from the Rising Edge or
Falling Edge of Gapped Clock to
FRD, FRSOF, FTSOF
t3
63
ns
t4
3
ns
2
t5
3
ns
2
t6
3
25
ns
3
t7
0
23
ns
t8
2
ns
NOTES:
1)
FRCLK is a buffered version of the recovered LIU clock (RCLK) or FTCLK when in diagnostic
loopback mode (DLB is enabled), and, as such, the duty cycle of FRCLK is determined by the source
clock.
2)
FTSOF is configured to be an input.
3)
FTSOF is configured to be an output.
4)
In normal mode, FTD (and FTSOF, if it is configured as an input) is sampled on the rising edge of
FTCLK, and FRDEN, FRD, FRSOF, FTDEN (and FTSOF, if it is configured as an output) are
updated on the rising edge of FRCLK or FTCLK.
5)
In inverted mode, FTD (and FTSOF, if it is configured as an input) is sampled on the falling edge of
FTCLK, and FRDEN, FRD, FRSOF, FTDEN (and FTSOF if it is configured as an output) are
updated on the falling edge of FRCLK or FTCLK.
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