參數(shù)資料
型號(hào): CY29947AC
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: 時(shí)鐘及定時(shí)
英文描述: 2.5V or 3.3V, 200-MHz, 1:9 Clock Distribution Buffer
中文描述: LOW SKEW CLOCK DRIVER, 9 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
封裝: 7 X 7 MM, 1 MM HEIGHT, PLASTIC, TQFP-32
文件頁數(shù): 4/7頁
文件大?。?/td> 103K
代理商: CY29947AC
CY29947
Document #: 38-07287 Rev. *C
Page 4 of 7
Notes:
5.
6.
7.
8.
9.
10. Set-up and hold times are relative to the falling edge of the input clock
Parameters are guaranteed by design and characterization. Not 100% tested in production. All parameters specified with loaded outputs.
Outputs driving 50
transmission lines.
50% input duty cycle.
Figure 2
.
See
AC Parameters
[5]
:
V
DD
= V
DDC
= 3.3V ±10% or 2.5V ±5%, Over the specified temperature range
Parameter
Fmax
Description
Conditions
V
DD
= 3.3V
V
DD
= 2.5V
V
DD
= 3.3V
V
DD
= 2.5V
Measured at V
DD
/2
Min.
Typ.
Max.
200
170
9.25
10.50
55
10
10
250
2.0
Unit
MHz
Input Frequency
[6]
Tpd
TCLK To Q Delay
[6]
4.75
6.50
45
2
2
ns
FoutDC
tpZL, tpZH
tpLZ, tpHZ
Tskew
Tskew(pp)
Ts
Th
Tr/Tf
Output Duty Cycle
[6, 7]
Output Enable Time (all outputs)
Output Disable Time (all outputs)
Output-to-Output Skew
[6, 8]
Part-to-Part Skew
[9]
Set-up Time
[6, 10]
Hold Time
[6, 10]
Output Clocks Rise/Fall Time
[8]
%
ns
ns
ps
ns
ps
ps
ns
150
SYNC_OE to TCLK
TCLK to SYNC_OE
0.8V to 2.0V,
V
DD
= 3.3V
0.6V to 1.8V,
V
DD
= 2.5V
0.0
1.0
0.20
1.0
0.20
1.3
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