CY7B9945V-2AXI Cypress Semiconductor Corp, CY7B9945V-2AXI Datasheet - Page 10

CY7B9945V-2AXI

CY7B9945V-2AXI

Manufacturer Part Number
CY7B9945V-2AXI
Description
CY7B9945V-2AXI
Manufacturer
Cypress Semiconductor Corp
Series
RoboClock™r
Type
Clock Buffer, Fanout Distributionr
Datasheet

Specifications of CY7B9945V-2AXI

Pll
Yes
Input
LVPECL, LVTTL
Output
LVTTL
Number Of Circuits
1
Ratio - Input:output
4:10
Differential - Input:output
Yes/No
Frequency - Max
200MHz
Divider/multiplier
Yes/Yes
Voltage - Supply
2.97 V ~ 3.63 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
52-LQFP
Frequency-max
200MHz
Number Of Elements
1
Supply Current
250mA
Pll Input Freq (min)
24MHz
Pll Input Freq (max)
200MHz
Operating Supply Voltage (typ)
3.3V
Operating Temp Range
-40C to 85C
Package Type
TQFP
Output Frequency Range
24 to 200MHz
Operating Supply Voltage (min)
2.97V
Operating Supply Voltage (max)
3.63V
Operating Temperature Classification
Industrial
Pin Count
52
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
428-2247
CY7B9945V-2AXI

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Part Number
Manufacturer
Quantity
Price
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Manufacturer:
HMR
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Part Number:
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Part Number:
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Part Number:
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Manufacturer:
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.
Document Number: 38-07336 Rev. *J
Notes
14. Guaranteed by statistical correlation. Tested initially and after any design or process changes that affects these parameters.
15. Rise and fall times are measured between 2.0 V and 0.8 V.
16. f
17. t
18. UI = unit interval. Examples: 1 UI is a full period. 0.1UI is 10% of period.
19. Measured at 0.5 V deviation from starting voltage.
20. For t
21. These figures are for illustration purposes only. The actual ATE loads may vary.
REF TO DEVICE 1 and 2
FB DEVICE2
FB DEVICE1
NOM
PWH
REF
t
FB
PD
Q
OZA
must be within the frequency range defined by the same FS state.
is measured at 2.0 V. t
minimum, C
t
PDELTA
L
= 0 pF. For t
t
t
REFpwh
PD
2.0 V
t
PWL
PWH
For LOCK output only
R1 = 910 Ω
R2 = 910 Ω
C
is measured at 0.8 V.
L
OZA
< 30 pF
maximum, C
(Includes fixture and
probe capacitance)
t
REFpwl
t
PDELTA
GND
3.3 V
< 1 ns
Figure 4. AC Test Loads and Waveforms
t
L
CCJ1-3,4-12
= 25 pF to 185 MHz or 10 pF to 200 MHz
t
PWL
0.8 V
(b) TTL Input Test Waveform
PRELIMINARY
Figure 5. AC Timing Diagram
For all other outputs
R1 = 100Ω
R2 = 100Ω
C
L
< 25 pF to 185 MHz
0.8 V
2.0 V
or 10 pF at 200 MHz
(a) LVTTL AC Test Load
[1:2]Q[0:3]
[1:2]Q[0:3]
Q
t
Other Q
SKEW0,1
t
t
SKEWBNK
SKEWPR
OUTPUT
2.0 V
0.8 V
< 1 ns
C
t
L
ODCV
3.3 V
t
ODCV
t
t
SKEW0,1
SKEWBNK
t
SKEWPR
R1
R2
RoboClock
CY7B9945V
[1:2]Q[0,2]
[1:2]Q[1,3]
Page 10 of 15
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