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9ZX21901DKLFT - Renesas Electronics

Description: The 9ZX21901D is a second generation DB1900Z differential buffer for Intel Purley and newer platforms. The part is backwards compatible to the 9ZX21901C while offering much improved phase jitter performance. A fixed external feedback maintains low drift for critical QPI/UPI applications. In bypass mode, the 9ZX21901D can provide outputs up to 400MHz. 

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9ZX21901DKLFT - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - nlg72p1--
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9ZX21901DKLFT - Renesas Electronics  - 3D model - Quad Flat No-Lead - nlg72p1--
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9ZX21901DKLFT Details

  • Manufacturer Part Number:

    9ZX21901DKLFT

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    VFQFPN

  • Package Description:

    VFQFPN-72

  • Pin Count:

    72

  • Manufacturer Package Code:

    NLG72P1

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    7

  • Family:

    9ZX

  • Input Conditioning:

    DIFFERENTIAL MUX

  • JESD-30 Code:

    S-XQCC-N72

  • JESD-609 Code:

    e3

  • Length:

    10 mm

  • Logic IC Type:

    PLL BASED CLOCK DRIVER

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    72

  • Number of True Outputs:

    38

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    3-STATE

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC72,.39SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    490 mA

  • Same Edge Skew-Max (tskwd):

    0.05 ns

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Max (Vsup):

    3.465 V

  • Supply Voltage-Min (Vsup):

    3.135 V

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    YES

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    10 mm

  • fmax-Min:

    0.4 MHz

9ZX21901DKLFT Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VCC first, followed by VDD, and then the input clock signal. This ensures proper initialization and prevents potential latch-up conditions.
  • To ensure a stable state during power-up, it's recommended to add a power-on reset (POR) circuit to the VCC pin, which helps to reset the internal state machines and ensure a clean startup.
  • The maximum frequency deviation allowed for the input clock signal is ±100 ppm. Exceeding this deviation may affect the performance and accuracy of the clock generator.
  • Yes, the 9ZX21901DKLFT can be used in systems with multiple clock domains. However, it's essential to ensure that the input clock signal is properly synchronized and buffered to prevent clock domain crossing issues.
  • To optimize the 9ZX21901DKLFT's performance for low-power applications, consider using a lower input clock frequency, reducing the output clock frequency, and enabling the low-power mode (if available). Additionally, optimize the PCB layout to minimize power consumption.

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9ZX21901DKLFT Overview

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