CY23FS08-04

Features: Internal DCXO for continuous glitch free operation Zero input-output propagation delay Low output cycle-to-cycle jitter (<46 ps RMS) Low output-output skew (<200 ps) 3.84 MHz reference input Supports industry standard input crystals Up to 133 MHz (industrial) outputs Phase-locked ...

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SeekIC No. : 004319163 Detail

CY23FS08-04: Features: Internal DCXO for continuous glitch free operation Zero input-output propagation delay Low output cycle-to-cycle jitter (<46 ps RMS) Low output-output skew (<200 ps) 3.84 MHz refere...

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Part Number:
CY23FS08-04
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/2/15

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Product Details

Description



Features:

Internal DCXO for continuous glitch free operation
Zero input-output propagation delay
Low output cycle-to-cycle jitter (<46 ps RMS)
Low output-output skew (<200 ps)
3.84 MHz reference input
Supports industry standard input crystals
Up to 133 MHz (industrial) outputs
Phase-locked loop (PLL) bypass mode
Dual reference inputs
28-pin SSOP
1.8V output power supplies
3.3V core power supply
Industrial temperature



Pinout

  Connection Diagram


Specifications

Parameter Description Condition Min Max Unit
VDD Supply Voltage   0.5 4.6 V
VIN Input Voltage Relative to VSS 0.5 VDD+0.5 VDC
TS Temperature, Storage Non-functional 65 +150 °C
TA Temperature, Operating Ambient Industrial Grade -40 85 °C
TJ Temperature, Junction Functional   125 °C
ESDHBM ESD Protection (Human Body Model) MIL-STD-883, Method 3015 2000   V
ØJC Dissipation, Junction to Case Mil-Specification 883E Method 1012.1 36.17 °C/W
ØJA Dissipation, Junction to Ambient JEDEC (JESD 51) 100.6 °C/W
UL94 Flammability Rating At 1/8 in. V0  
MSL Moisture Sensitivity Level   1  



Description

The CY23FS08-04 is a FailSafe Zero Delay Buffer with two reference clock inputs and eight phase aligned outputs. The device provides an optimum solution for applications where continuous operation is required in the event of a primary clock failure.

Continuous, glitch free operation is achieved by using a DCXO that serves as a redundant clock source in the event of a reference clock failure by maintaining the last frequency and phase information of the reference clock.

The unique feature of the CY23FS08-04 is that the DCXO is in fact, the primary clocking source, that is synchronized (phase aligned) to the external reference clock. When this external clock is restored, the DCXO automatically resynchronizes to the external clock.

The frequency of the crystal that is connected to the DCXO is chosen as an integer factor of the frequency of the reference clock. This factor is set by four select lines: S[4:1]. For more information, see Table 2 on page 3. The CY23FS08-04 has three split power supplies; one for core, another for Bank A outputs, and the third for Bank B outputs. Each output power supply, except VDDC is connected to 1.8V. VDDC is the power supply pin for internal circuits and is connected to 3.3V.




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