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72245LB10PFG - Renesas Electronics

Description: The 72245 is a 4K x 8 First-In, First-Out memory with clocked read and write controls and would be useful for a wide variety of data buffering needs, such as optical disk controllers, Local Area Networks (LANs), and interprocessor communication. These FIFOs have 18-bit input and output ports. The read clock can be tied to the write clock for single clock operation or the two clocks can run asynchronous of one another for dual-clock operation. These devices are depth expandable using a Daisy-Chain technique

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72245LB10PFG Details

  • Manufacturer Part Number:

    72245LB10PFG

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TQFP

  • Pin Count:

    64

  • Manufacturer Package Code:

    PNG64

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.32.00.71

  • Factory Lead Time:

    26 Weeks, 1 Day

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Access Time-Max:

    6.5 ns

  • Cycle Time:

    10 ns

  • JESD-30 Code:

    R-PQFP-G64

  • JESD-609 Code:

    e3

  • Memory Density:

    73728 bit

  • Memory IC Type:

    BI-DIRECTIONAL FIFO

  • Memory Width:

    18

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    64

  • Number of Words:

    4096 words

  • Number of Words Code:

    4000

  • Operating Mode:

    SYNCHRONOUS

  • Operating Temperature-Max:

    70 °C

  • Organization:

    4KX18

  • Output Enable:

    YES

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    RECTANGULAR

  • Parallel/Serial:

    PARALLEL

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Standby Current-Max:

    0.005 A

  • Supply Current-Max:

    0.06 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 (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Position:

    QUAD

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

    30

72245LB10PFG Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (R01AN2724EU0100) which includes thermal design considerations, such as keeping the thermal pad connected to a solid ground plane and using thermal vias to dissipate heat.
  • Renesas recommends using an external power sequencer or a dedicated power management IC to ensure proper power sequencing. The 72245LB10PFG has a power-good output (PG) that can be used to monitor the output voltage and control the power sequencing.
  • Although not explicitly stated in the datasheet, Renesas recommends limiting the output capacitive load to 10uF or less to ensure stability and prevent oscillations. Exceeding this value may require additional compensation or stabilization techniques.
  • The 72245LB10PFG is rated for operation up to 105°C, but Renesas recommends derating the output current and voltage to ensure reliability and prevent thermal shutdown. Consult the datasheet and application notes for specific guidelines.
  • Renesas recommends checking the input voltage, output load, and PCB layout for any issues. Also, verify that the output voltage is within the specified range and that the device is not overheating. Consult the datasheet and application notes for troubleshooting guidelines.

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72245LB10PFG Overview

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72245LB10PFG Alternates

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Part Image IDT72245LB10PF9 Integrated Device Technology Inc

FIFO, 8KX9, 40ns, Asynchronous, CMOS, PQFP64
Part Image IDT72245LB10PF8 Integrated Device Technology Inc

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Part Image IDT72245LB10PF Integrated Device Technology Inc

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Part Image IDT72V245L10PF9 Integrated Device Technology Inc

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Part Image 72245LB10PF9 Integrated Device Technology Inc

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