cy7b9950 Cypress Semiconductor Corporation., cy7b9950 Datasheet - Page 7

• Manufacturer Part Number: cy7b9950
• Description: 2.5/3.3v, 200 Mhz High-speed Multi-phase Pll Clock Buffer
• Manufacturer: Cypress Semiconductor Corporation.

AC Test Loads and Waveforms
AC Input Specifications
Document #: 38-07338 Rev. *D
T
T
T
F
Parameter
R
PWC
DCIN
REF
,T
VTH =1.5V
F
2.0V
0.8V
VTH =1.5V
3.0V
2.0V
0.8V
0V
Input Rise/Fall Time
Input Clock Pulse
Input Duty Cycle
Reference Input
Frequency
3.3V LVTTL OUTPUT WAVEFORM
3.3V LVTTL INPUT TEST WAVEFORM
Description
t
PW L
t
≤
ORISE
1 ns
Output
For Lock Output
t
PWH
0.8V – 2.0V
HIGH or LOW
FS = LOW
FS = MID
FS = HIGH
t
OFALL
≤
1 ns
Figure 3. Output Waveforms
Figure 4. Test Waveforms
Figure 2. AC Test Loads
20 pF
Condition
Output
For All Other Outputs
VTH =1.25V
1.7V
0.7V
VTH =1.25V
VDDQ
2.5V
1.7V
0.7V
150Ω
150Ω
0V
2.5V LVTTL INPUT TEST WAVEFORM
2.5V LVTTL OUTPUT WAVEFORM
t
20 pF
PWL
Min
10
12
24
–
2
6
t
ORISE
≤
1 ns
t
PWH
Max
100
200
10
90
50
–
t
OFALL
CY7B9950
≤
1 ns
Page 7 of 12
Unit
ns/V
MHz
ns
%
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