CY29940AIT Cypress Semiconductor Corp, CY29940AIT Datasheet - Page 4

• Manufacturer Part Number: CY29940AIT
• Manufacturer: Cypress Semiconductor Corp
• Type: Clock Driverr

Specifications of CY29940AIT

• Number Of Clock Inputs: 2
• Output Frequency: 200MHz
• Output Logic Level: LVCMOS/LVTTL
• Operating Supply Voltage (min): 2.375V
• Operating Supply Voltage (typ): 2.5/3.3V
• Operating Supply Voltage (max): 3.465V
• Package Type: TQFP
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Signal Type: LVCMOS/LVPECL/LVTTL
• Mounting: Surface Mount
• Pin Count: 32
• Quiescent Current: 7mA
• Lead Free Status / RoHS Status: Not Compliant

Document #: 38-07283 Rev. *C
PECL_CLK
PECL_CLK
Figure 3. Propagation Delay (TPD) Test Reference
LVCMOS_CLK
Figure 4. LVCMOS Propagation Delay (TPD) Test
Q
Q
Figure 1. LVCMOS_CLK CY29940 Test Reference for V
Z = 50 ohm
Differential
t
Generator
Figure 2. PECL_CLK CY29940 Test Reference for V
PD
t
Pulse
PD
V
Reference
Z = 50 ohm
PP
Generator
Pulse
Zo = 50 ohm
Zo = 50 ohm
Zo = 50 ohm
VTT
GND
R
VCC
VCC /2
GND
VCC
T
VCC /2
R
GND
VCC
V
= 50 ohm
VCC /2
T
CMR
= 50 ohm
CY29940 DUT
VTT
CY29940 DUT
Figure 6. Output-to-Output Skew tsk(0)
Figure 5. Output Duty Cycle (FoutDC)
CC
CC
= 3.3V and V
Zo = 50 ohm
= 3.3V and V
t
P
R
Zo = 50 ohm
DC = tP / T0 x 100%
T
= 50 ohm
R
T
T0
= 50 ohm
CC
CC
VTT
= 2.5V
= 2.5V
VTT
t
SK(0)
GND
VCC
CY29940
VCC /2
Page 4 of 7
VCC
GND
VCC
GND
VCC /2
VCC /2
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