CY7B991-5JIT(2011) 查看數據表（PDF） - Cypress Semiconductor
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CY7B991-5JIT Datasheet PDF : 21 Pages
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CY7B991
CY7B992
Switching Characteristics
Over the Operating Range[2, 11] (continued)
Parameter
Description
fNOM
tRPWH
tRPWL
tU
tSKEWPR
tSKEW0
tSKEW1
tSKEW2
tSKEW3
tSKEW4
tDEV
tPD
tODCV
tPWH
tPWL
tORISE
tOFALL
tLOCK
tJR
Operating Clock
Frequency in MHz
FS = LOW[1, 2]
FS = MID[1, 2]
FS = HIGH[1, 2 , 3]
REF Pulse Width HIGH
REF Pulse Width LOW
Programmable Skew Unit
Zero Output Matched-Pair Skew
(XQ0, XQ1)[14, 15]
Zero Output Skew (All Outputs)[14, 16]
Output Skew (Rise-Rise, Fall-Fall, Same
Class Outputs)[14, 17]
Output Skew (Rise-Fall, Nominal-Inverted,
Divided-Divided)[14, 17]
Output Skew (Rise-Rise, Fall-Fall, Different
Class Outputs)[14, 17]
Output Skew (Rise-Fall, Nominal-Divided,
Divided-Inverted)[14, 17]
Device-to-Device Skew[12, 19]
Propagation Delay, REF Rise to FB Rise
Output Duty Cycle Variation[20]
Output HIGH Time Deviation from 50%[21, 22]
Output LOW Time Deviation from 50%[21, 22]
Output Rise Time[21, 23]
Output Fall Time[21, 23]
PLL Lock Time[24]
Cycle-to-Cycle Output
Jitter
RMS[12]
Peak-to-Peak[12]
CY7B991–5
CY7B992–5
Min Typ Max Min Typ Max
15
30
15
30
25
50
25
50
40
80
40
80[13]
5.0
5.0
5.0
5.0
See Table 2
0.1 0.25
0.1 0.25
Unit
MHz
ns
ns
ns
0.25 0.5
0.6
0.7
0.25 0.5
ns
0.6
0.7
ns
0.5
1.0
0.6
1.5
ns
0.5
0.7
0.5
0.7
ns
0.5
1.0
0.6
1.7
ns
1.25
1.25 ns
–0.5 0.0 +0.5 –0.5 0.0 +0.5 ns
–1.0 0.0 +1.0 –1.2 0.0 +1.2 ns
2.5
4.0
ns
3
4.0
ns
0.15 1.0
1.5
0.5
2.0
3.5
ns
0.15 1.0
1.5
0.5
2.0
3.5
ns
0.5
0.5 ms
25
25
ps
200
200 ps
Document Number: 38-07138 Rev. *I
Page 10 of 21
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