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70V3579S5BC - Renesas Electronics

Description: The 70V3579 is a high-speed 32K × 36 bit synchronous Dual-Port RAM that has been optimized for applications having unidirectional or bidirectional data flow in bursts. An automatic power down feature, controlled by CE0 and CE1, permits the on-chip circuitry of each port to enter a very low standby power mode. The 70V3579 can support an operating voltage of either 3.3V or 2.5V on one or both ports, controllable by the OPT pins. The power supply for the core of the device (VDD) is at 3.3V.

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70V3579S5BC - Renesas Electronics - PCB symbol
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70V3579S5BC - Renesas Electronics PCB footprint - BGA - BGA - _BC256
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70V3579S5BC - Renesas Electronics - 3D model - BGA - _BC256
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70V3579S5BC Details

  • Manufacturer Part Number:

    70V3579S5BC

  • Brand Name:

    Renesas

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    CABGA

  • Pin Count:

    256

  • Manufacturer Package Code:

    BC256

  • ECCN Code:

    3A991.B.2.A

  • HTS Code:

    8542.32.00.41

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Access Time-Max:

    5 ns

  • Clock Frequency-Max (fCLK):

    100 MHz

  • I/O Type:

    COMMON

  • JESD-30 Code:

    S-PBGA-B256

  • JESD-609 Code:

    e0

  • Memory Density:

    1179648 bit

  • Memory IC Type:

    MULTI-PORT SRAM

  • Memory Width:

    36

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Ports:

    2

  • Number of Terminals:

    256

  • Number of Words:

    32768 words

  • Number of Words Code:

    32000

  • Operating Mode:

    SYNCHRONOUS

  • Operating Temperature-Max:

    70 °C

  • Organization:

    32KX36

  • Output Characteristics:

    3-STATE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    BGA

  • Package Equivalence Code:

    BGA256,16X16,40

  • Package Shape:

    SQUARE

  • Package Style:

    GRID ARRAY

  • Parallel/Serial:

    PARALLEL

  • Peak Reflow Temperature (Cel):

    225

  • Qualification Status:

    Not Qualified

  • Standby Voltage-Min:

    3.15 V

  • Supply Current-Max:

    0.36 mA

  • Supply Voltage-Max (Vsup):

    3.45 V

  • Supply Voltage-Min (Vsup):

    3.15 V

  • Supply Voltage-Nom (Vsup):

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    BALL

  • Terminal Pitch:

    1 mm

  • Terminal Position:

    BOTTOM

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

    20

70V3579S5BC Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (AP-6093) which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize noise.
  • Renesas recommends using an external power sequencer or a dedicated power management IC to ensure proper power sequencing. The 70V3579S5BC has a specific power-up sequence requirement, and improper sequencing can cause damage to the device.
  • While the datasheet specifies an operating temperature range of -40°C to 85°C, Renesas recommends derating the device's performance at temperatures above 70°C to ensure reliability and prevent thermal shutdown.
  • The 70V3579S5BC is designed to operate with a 3.3V or 2.5V supply voltage. While it may be possible to use it with a different voltage supply, Renesas does not guarantee performance or reliability outside of the specified voltage range.
  • Renesas provides a troubleshooting guide in their application note (AP-6094) which includes steps to identify and resolve common issues such as signal integrity problems, power supply noise, and thermal management.

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