CY29940AXC Cypress Semiconductor Corp, CY29940AXC Datasheet - Page 4

• Manufacturer Part Number: CY29940AXC
• Description: IC CLK BUFF 1:18 200MHZ 32LQFP
• Manufacturer: Cypress Semiconductor Corp
• Type: Fanout Buffer (Distribution), Multiplexerr

Specifications of CY29940AXC

• Package / Case: 32-LQFP
• Number Of Circuits: 1
• Ratio - Input:output: 1:18
• Differential - Input:output: Yes/No
• Input: LVCMOS, LVPECL, LVTTL
• Output: LVCMOS, LVTTL
• Frequency - Max: 200MHz
• Voltage - Supply: 2.375 V ~ 3.465 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Frequency-max: 200MHz
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Multiply / Divide Factor: 1:18
• Number Of Clock Inputs: 2
• Output Logic Level: LVCMOS, LVTTL
• Supply Voltage (max): 3.465 V
• Supply Voltage (min): 2.375 V
• Maximum Operating Temperature: + 70 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Document #: 38-07283 Rev. *D
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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