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CDCU877RHAT - TI
Manufacturer:
TI
ManyChip's Part#:
MC26490104
Category:
Clock Chip, Timing IC
Package:
VQFN-40
Datasheet:
Datasheet 3D Model
Description:
Zero Delay PLL Clock Driver Single 10MHz to 400MHz 40Pin VQFN EP T/R
Stock Locations:
Availability:
234 pcs In Stock
MOQ:
1 pcs
Unit Price:
$ 6.32

Updated at 17/06/2025 10:30:15(UTC+8)

Certifications

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Description

The CDCU877 is a high-performance, low-jitter, low-skew, zero-delay buffer that distributes a differential clock input pair (CK, CK) to ten differential pairs of clock outputs (Yn, Yn) and to one differential pair of feedback clock outputs (FBOUT, FBOUT). The clock outputs are controlled by the input clocks (CK, CK), the feedback clocks (FBIN, FBIN), the LVCMOS control pins (OE, OS), and the analog power input (AVDD). When OE is low, the clock outputs, except FBOUT/FBOUT, are disabled while the internal PLL continues to maintain its locked-in frequency. OS (output select) is a program pin that must be tied to GND or VDD. When OS is high, OE functions as previously described. When OS and OE are both low, OE has no affect on Y7/Y7, they are free running. When AVDD is grounded, the PLL is turned off and bypassed for test purposes.
When both clock inputs (CK, CK) are logic low, the device enters in a low power mode. An input logic detection circuit on the differential inputs, independent from input buffers, detects the logic low level and performs in a low power state where all outputs, the feedback, and the PLL are off. When the clock inputs transition from being logic low to being differential signals, the PLL turns back on, the inputs and the outputs are enabled, and the PLL obtains phase lock between the feedback clock pair (FBIN, FBIN) and the clock input pair (CK, CK) within the specified stabilization time.
The CDCU877 is able to track spread spectrum clocking (SSC) for reduced EMI. This device operates from -40°C to 85°C.

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CDCU877RHAT Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	40 Pin
Case/Package	VQFN-40
Frequency	400 MHz
Supply Voltage (DC)	1.80 V
Number of Outputs	10 Output
Supply Current	500 µA
Number of Circuits	1 Circuit
Output Current Drive	9.00 mA
Duty Cycle	60% (Max)
Number of Inputs	1 Input
Maximum Duty Cycle	60 %
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	1.7V ~ 1.9V
Supply Voltage (Max)	1.9 V
Supply Voltage (Min)	1.7 V
	Show
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

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