參數(shù)資料
型號(hào): CY2PP3210
英文描述: Clocks and Buffers
中文描述: 時(shí)鐘和緩沖器
文件頁數(shù): 5/12頁
文件大?。?/td> 246K
代理商: CY2PP3210
PRELIMINARY
FastEdge Series
CY2PP3115
Document #: 38-07502 Rev.*A
Page 5 of 12
Timing Definitions
Note:
19. Output pulse skew is the absolute difference of the propagation delay times: | tPLH – tPHL |.
tsk
(PP)
Output-to-output skew (part-to-part)
50% duty cycle Standard load Differential
Operation
200
ps
T
JIT(CC)
Output cycle-to-cycle jitter (determin-
istic/Intrinsic)
All outputs /1
500 MHz 50% duty cycle Standard load Differ-
ential Operation
2
ps
Output cycle-to-cycle jitter (determin-
istic/Intrinsic)
All outputs /2
660 MHz 50% duty cycle Standard load Differ-
ential Operation
2
ps
Output cycle-to-cycle jitter (determin-
istic/Intrinsic)
All outputs Bank(A and C)/1, Bank(B and
D)/2
660 MHz 50% duty cycle Standard load Differ-
ential Operation
2
ps
Output cycle-to-cycle jitter (determin-
istic/Intrinsic)
All outputs Bank A/1, Bank(B,C and D)/2
Output pulse skew
[19]
660 MHz 50% duty cycle Standard load Differ-
ential Operation
2
ps
tsk
(P)
660 MHz 50% duty cycle Standard load Differ-
ential Operation
75
ps
T
R
,T
F
Output Rise / Fall time
660 MHz 50% duty cycle Differential 20% to
80%
0.3
ns
TTB
Total Timing Budget
500 MHz 50% duty cycle Standard load
250
ps
Table 2. TPD–Propagation Delay 66-MHz 50% Duty Cycle
TPD
FSELA
CLK_SEL
Unit
ns
ns
ns
ns
ns
ns
ns
ns
0
1
0
1
0
1
0
1
0
1
0.900
0.979
0.951
0.962
0.952
1.019
0.986
1.018
0.974
0.982
0.974
0.966
0.974
1.021
0.980
1.022
FSELB
FSELC
FSELD
AC Electrical Specifications
Parameter
Description
Condition
Min.
Max.
Unit
VIH
VIL
VCMR
VPP
VCMR Min = 1.2V
VPP range
0.1V - 1.3V
VCMR Max = VCC
VCC = 2.5V or 3.3V
VCC
VEE
VEE = 0.0V
Figure 1. PECL Waveform Definitions
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