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72805LB10PFG - Renesas Electronics

Description: The 72805 is a 256 x 18 First-In, First-Out memory with clocked read and write controls. It is functionally equivalent to two 72205 FIFOs in a single package with all associated control, data, and flag lines assigned to independent pins and would be applicable for a wide variety of data buffering needs, such as 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 si

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72805LB10PFG - Renesas Electronics PCB footprint - Quad Flat Packages - Quad Flat Packages - pkg128
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72805LB10PFG Details

  • Manufacturer Part Number:

    72805LB10PFG

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TQFP

  • Package Description:

    TQFP-128

  • Pin Count:

    128

  • Manufacturer Package Code:

    PKG128

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.32.00.71

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Access Time-Max:

    6.5 ns

  • Clock Frequency-Max (fCLK):

    100 MHz

  • Cycle Time:

    10 ns

  • JESD-30 Code:

    R-PQFP-G128

  • JESD-609 Code:

    e3

  • Length:

    20 mm

  • Memory Density:

    4608 bit

  • Memory IC Type:

    OTHER FIFO

  • Memory Width:

    18

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    2

  • Number of Terminals:

    128

  • Number of Words:

    256 words

  • Number of Words Code:

    256

  • Operating Mode:

    SYNCHRONOUS

  • Operating Temperature-Max:

    70 °C

  • Organization:

    256X18

  • 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:

    0.1 mA

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • 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

72805LB10PFG 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 other layout considerations to ensure optimal thermal performance.
  • The 72805LB10PFG has a built-in overcurrent protection feature, but it's not enabled by default. To implement overcurrent protection, you need to connect an external resistor to the OCSET pin and set the threshold voltage according to the datasheet. Additionally, you can use an external overcurrent protection IC for more advanced protection features.
  • The maximum junction temperature (Tj) for the 72805LB10PFG is 150°C, as specified in the datasheet. However, it's recommended to keep the junction temperature below 125°C for optimal reliability and performance.
  • The 72805LB10PFG is designed to meet the vibration requirements of automotive and industrial applications. However, it's essential to follow proper PCB design and assembly guidelines, including using suitable mounting and soldering techniques, to ensure the device can withstand high-vibration environments.
  • Renesas provides a troubleshooting guide in their application note (APN) documents, which covers common issues and debugging techniques. Additionally, you can use oscilloscopes, logic analyzers, and other debugging tools to identify and resolve issues with the device.

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72805LB10PFG Overview

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Part Image 72805LBLB10PF Renesas Electronics Corporation

Bi-Directional FIFO, 512X18, 6.5ns, Synchronous, CMOS, PQFP128

Part Image IDT72805LB10PF Integrated Device Technology Inc

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Part Image IDT72805LB10PFG Renesas Electronics Corporation

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Part Image IDT72V805L10PF Integrated Device Technology Inc

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Part Image 72V805L10PFG Integrated Device Technology Inc

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