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72V845L15PFGI - Renesas Electronics

Description: The 72V845 is a 4K x 18 dual sync FIFO with clocked read and write controls that is functionally equivalent to two 72V245 FIFO's in a single package with all associated control, data, and flag lines assigned to independent pins. This FIFO is useful for optical disk controllers, Local Area Networks (LANs), and interprocessor communication. Each of the two FIFOs has an 18-bit input and output port. The Read Clock can be tied to the Write Clock for single clock operation or the two clocks can run asynchronous

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72V845L15PFGI - Renesas Electronics PCB footprint - Quad Flat Packages - Quad Flat Packages - pkg128
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72V845L15PFGI Details

  • Manufacturer Part Number:

    72V845L15PFGI

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TQFP

  • Pin Count:

    128

  • Manufacturer Package Code:

    PKG128

  • Reach Compliance Code:

    Compliant

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.32.00.71

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Access Time-Max:

    10 ns

  • Clock Frequency-Max (fCLK):

    66.7 MHz

  • Cycle Time:

    15 ns

  • JESD-30 Code:

    R-PQFP-G128

  • JESD-609 Code:

    e3

  • Length:

    20 mm

  • Memory Density:

    73728 bit

  • Memory IC Type:

    OTHER FIFO

  • Memory Width:

    18

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    128

  • Number of Words:

    4096 words

  • Number of Words Code:

    4000

  • Operating Mode:

    SYNCHRONOUS

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Organization:

    4KX18

  • Output Enable:

    YES

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LFQFP

  • Package Equivalence Code:

    QFP128,.63X.87,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLATPACK, LOW PROFILE, FINE PITCH

  • Parallel/Serial:

    PARALLEL

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.6 mm

  • Standby Current-Max:

    0.01 A

  • Supply Current-Max:

    0.06 mA

  • Supply Voltage-Max (Vsup):

    3.6 V

  • Supply Voltage-Min (Vsup):

    3 V

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    14 mm

72V845L15PFGI Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (APN) documents, which can be found on their website. The guide includes thermal vias, copper pours, and component placement recommendations to ensure optimal thermal performance.
  • The 72V845L15PFGI has an internal overcurrent protection (OCP) feature, but it's recommended to implement an external OCP circuit to provide additional protection. Renesas provides guidelines for external OCP circuit design in their application notes and technical documentation.
  • Renesas recommends using low-ESR capacitors with a value of 10uF to 22uF, placed as close as possible to the device's input pins. The capacitor selection and placement guide can be found in the datasheet and application notes.
  • Renesas provides EMC guidelines and recommendations in their application notes and technical documentation. This includes PCB layout considerations, component selection, and shielding recommendations to ensure EMC compliance.
  • Renesas recommends using a thermal interface material (TIM) with a thermal conductivity of at least 1 W/m-K. They also provide a list of approved TIM vendors and materials in their application notes and technical documentation.

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72V845L15PFGI Overview

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