3 LVPECL DIFFERENTIAL CLOCK OUTPUTS AND SINGLE ENDED LVCMOS OUTPUT
Family:
1803
Input Conditioning:
DIFFERENTIAL
JESD-30 Code:
S-PQCC-N24
JESD-609 Code:
e4
Length:
4 mm
Logic IC Type:
LOW SKEW CLOCK DRIVER
Max I(ol):
0.012 A
Moisture Sensitivity Level:
2
Number of Functions:
1
Number of Terminals:
24
Number of True Outputs:
4
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Output Characteristics:
3-STATE
Package Body Material:
PLASTIC/EPOXY
Package Code:
HVQCCN
Package Equivalence Code:
LCC24,.16SQ,20
Package Shape:
SQUARE
Package Style:
CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Packing Method:
TR
Peak Reflow Temperature (Cel):
260
Power Supply Current-Max (ICC):
110 mA
Prop. Delay@Nom-Sup:
0.6 ns
Propagation Delay (tpd):
2.6 ns
Qualification Status:
Not Qualified
Same Edge Skew-Max (tskwd):
0.03 ns
Seated Height-Max:
1 mm
Supply Voltage-Max (Vsup):
3.6 V
Supply Voltage-Min (Vsup):
3 V
Supply Voltage-Nom (Vsup):
3.3 V
Surface Mount:
YES
Technology:
BICMOS
Temperature Grade:
INDUSTRIAL
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
NO LEAD
Terminal Pitch:
0.5 mm
Terminal Position:
QUAD
Time@Peak Reflow Temperature-Max (s):
30
Width:
4 mm
fmax-Min:
800 MHz
CDCM1804RGETG4 Frequently Asked Questions (FAQs)
Texas Instruments provides a recommended PCB layout in the datasheet, but it's essential to follow good high-frequency design practices, such as using a solid ground plane, minimizing trace lengths, and using 50-ohm transmission lines to ensure signal integrity.
The CDCM1804RGETG4 requires a 50-ohm output termination to ensure proper signal transmission. You can use a 50-ohm resistor in series with a capacitor to ground or a 50-ohm resistor to VCC, depending on your specific application requirements.
The CDCM1804RGETG4 can operate up to 1.8 GHz, but the maximum clock frequency depends on the specific application, PCB layout, and signal quality. It's recommended to consult the datasheet and perform simulations to determine the optimal clock frequency for your design.
To achieve low jitter performance, ensure a stable power supply, use a high-quality clock source, and minimize noise coupling on the PCB. Additionally, use the device's built-in jitter attenuation features, such as the phase-locked loop (PLL) and the clock distribution network.
The power consumption of the CDCM1804RGETG4 depends on the operating frequency, output load, and supply voltage. According to the datasheet, the typical power consumption is around 350 mW at 1.8 GHz with a 3.3V supply voltage. However, it's recommended to consult the datasheet and perform power analysis for your specific application.
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CDCM1804RGETG4 Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
