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72V235L15TFGI8 - Renesas Electronics

Description: The 72V235 is a 2K x 18 first-in, first-out memory with clocked read and write controls. It is a 3.3V version of the 72235 FIFO and is applicable for a wide variety of data buffering needs, such as optical disk controllers, Local Area Networks (LANs), and interprocessor communication. It has 18-bit input and output ports. The Read Clock(RCLK) 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.

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72V235L15TFGI8 Details

  • Manufacturer Part Number:

    72V235L15TFGI8

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TQFP

  • Pin Count:

    64

  • Manufacturer Package Code:

    PPG64

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.32.00.71

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Access Time-Max:

    10 ns

  • Cycle Time:

    15 ns

  • JESD-30 Code:

    S-PQFP-G64

  • JESD-609 Code:

    e3

  • Length:

    10 mm

  • Memory Density:

    36864 bit

  • Memory IC Type:

    OTHER FIFO

  • Memory Width:

    18

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    64

  • Number of Words:

    2048 words

  • Number of Words Code:

    2000

  • Operating Mode:

    SYNCHRONOUS

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Organization:

    2KX18

  • Output Enable:

    YES

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LFQFP

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, LOW PROFILE, FINE PITCH

  • Parallel/Serial:

    PARALLEL

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.6 mm

  • 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

  • Width:

    10 mm

72V235L15TFGI8 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, heat sink recommendations, and PCB layer stack-up suggestions to ensure optimal thermal performance.
  • The 72V235L15TFGI8 has an internal overcurrent protection (OCP) feature, but it's recommended to implement an external OCP circuit to ensure reliable operation. Renesas provides guidelines for external OCP circuit design in their application notes and technical documentation.
  • The recommended power-up sequence for the 72V235L15TFGI8 is to apply the power supply voltage (VCC) before the input clock signal. This ensures proper device initialization and prevents potential latch-up or malfunction.
  • The 72V235L15TFGI8 has a power-down mode that can be controlled through the EN (enable) pin. To enter power-down mode, assert the EN pin low. During power-down, the device's power consumption is significantly reduced, but it's essential to ensure that all input signals are stable and within the recommended operating conditions.
  • Thermal design considerations for the 72V235L15TFGI8 include providing adequate heat sinking, using thermal vias, and ensuring good airflow around the device. Renesas provides thermal design guidelines and thermal resistance (RθJA) values in the datasheet to help with thermal design.

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72V235L15TFGI8 Overview

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