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9ZX21901BKLFT - Renesas Electronics

Description: The 9ZX21901B is a version of the Intel DB1900Z Differential Buffer with an adjustable external feedback path allowing the user to eliminate trace delays from their design.  It is suitable for PCIe Gen3 or QPI applications. The part is backwards compatible to PCIe Gen1 and Gen2. The device maintains low drift for critical QPI applications. In bypass mode, the IDT9ZX21901 can provide outputs up to 400MHz. See the 9ZX21901C for a fixed external feedback path.

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9ZX21901BKLFT - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - NLG72P1-1
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9ZX21901BKLFT - Renesas Electronics  - 3D model - Quad Flat No-Lead - NLG72P1-1
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9ZX21901BKLFT Details

  • Manufacturer Part Number:

    9ZX21901BKLFT

  • 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:

    Mainland China

  • 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-PQCC-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:

    19

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    3-STATE

  • Package Body Material:

    PLASTIC/EPOXY

  • 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):

    500 mA

  • Same Edge Skew-Max (tskwd):

    0.065 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:

    0.1 MHz

9ZX21901BKLFT Frequently Asked Questions (FAQs)

  • The recommended crystal oscillator frequency is 32.768 kHz, which is a standard frequency for real-time clocks.
  • To ensure accuracy, use a high-quality crystal oscillator, maintain a stable power supply, and minimize temperature fluctuations. Also, consider using a crystal oscillator with a high frequency stability (e.g., ±10 ppm) and a low equivalent series resistance (ESR).
  • The maximum operating temperature range is -40°C to +85°C. However, it's recommended to operate the device within a narrower range (e.g., 0°C to +70°C) for optimal performance and accuracy.
  • To use the battery backup feature, connect a lithium-ion battery (e.g., CR2032) to the VBAT pin. Ensure the battery is properly connected, and the device is configured to use the battery backup mode. The device will automatically switch to battery power when the main power supply (VCC) is interrupted.
  • The CAL pin is used for calibration. It allows the user to adjust the internal clock frequency to compensate for crystal oscillator deviations. This pin is typically connected to a capacitor or a calibration circuit to fine-tune the clock frequency.

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Part Image 9ZX21901CKLF Integrated Device Technology Inc

PLL Based Clock Driver, 9ZX Series, 19 True Output(s), 0 Inverted Output(s), PQCC72