CY7B992-7JCT(2011) Просмотр технического описания (PDF) - Cypress Semiconductor
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CY7B992-7JCT Datasheet PDF : 21 Pages
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CY7B991
CY7B992
Switching Characteristics
Over the Operating Range[2, 11] (continued)
Parameter
fNOM
Description
Operating Clock
Frequency in MHz
FS = LOW[1, 2]
FS = MID[1, 2]
FS = HIGH[1, 2]
tRPWH
tRPWL
tU
tSKEWPR
tSKEW0
tSKEW1
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]
tSKEW2
Output Skew (Rise-Fall, Nominal-Inverted,
Divided-Divided)[14, 17]
tSKEW3
Output Skew (Rise-Rise, Fall-Fall, Different
Class Outputs)[14, 17]
tSKEW4
tDEV
tPD
tODCV
tPWH
tPWL
tORISE
tOFALL
tLOCK
tJR
Output Skew (Rise-Fall, Nominal-Divided,
Divided-Inverted)[14, 17]
Device-to-Device Skew[12, 20]
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]
CY7B991–7
CY7B992–7
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
0.3 0.75
0.6
1.0
0.3 0.75
0.6
1.0
1.0
1.5
1.0
1.5
0.7
1.2
0.7
1.2
1.2
1.7
1.2
1.7
1.65
1.65
–0.7 0.0 +0.7 –0.7 0.0 +0.7
–1.2 0.0 +1.2 –1.5 0.0 +1.5
3
5.5
3.5
5.5
0.15 1.5
2.5
0.5
3.0
5.0
0.15 1.5
2.5
0.5
3.0
5.0
0.5
0.5
25
25
200
200
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
ps
ps
Document Number: 38-07138 Rev. *I
Page 11 of 21
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