cy29772 Cypress Semiconductor Corporation., cy29772 Datasheet - Page 10

• Manufacturer Part Number: cy29772
• Description: 2.5v Or 3.3v, 200-mhz, 12-output Zero Delay Buffer
• Manufacturer: Cypress Semiconductor Corporation.

Document #: 38-07572 Rev. *A
Table 7. Suggested Oscillator Crystal Parameters
T
T
T
C
R
Parameter
C
S
A
L
ESR
Frequency Tolerance
Frequency Temperature Stability
Aging
Load Capacitance
Effective Series Resistance (ESR)
Description
Z = 50 ohm
Generator
Pulse
Figure 3. LVCMOS_CLK AC Test Reference for V
Figure 4. LVCMOS Propagation Delay t(φ), Static Phase Offset
D0-D3 are the control bits for QA0-QA3, respectively
D4-D7 are the control bits for QB0-QB3, respectively
D8-D10 are the control bits for QC1-QC3, respectively
D11 is the control bit for SYNC
Start
Bit
LVCMOS_CLK
FB_IN
D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11
Figure 5. Output Duty Cycle (DC)
Zo = 50 ohm
R
T
(T
(First three years @ 25°C)
The crystal’s rated load
t
= 50 ohm
t(φ)
P
A
DC = tP / T0 x 100%
–10° to +60°C)
Figure 2.
VTT
T0
Conditions
GND
VDD
VDD/2
GND
VDD
Zo = 50 ohm
DD
VDD/2
GND
VDD
VDD/2
= 3.3V/2.5V
Min.
R
–
–
–
–
–
T
= 50 ohm
Typ.
VTT
20
40
–
–
–
±1100
± 100
Max.
80
5
–
CY29772
Page 10 of 12
PPM/Yr
Ohm
PPM
PPM
Unit
pF
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