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70V657S12BCI - Renesas Electronics

Description: The 70V657 is a high-speed 32K x 36 Asynchronous Dual-Port Static RAM designed to be used as a stand-alone Dual-Port RAM or as a combination MASTER/ SLAVE Dual-Port RAM for 72-bit-or-more word system. Using the IDT MASTER/SLAVE Dual-Port RAM approach in 72-bit or wider memory system applications results in full-speed, error-free operation without the need for additional discrete logic. An automatic power down feature controlled by the chip enables (either CE0 or CE1) permit the on-chip circuitry of each por

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70V657S12BCI Details

  • Manufacturer Part Number:

    70V657S12BCI

  • Brand Name:

    Renesas

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    CABGA

  • Pin Count:

    256

  • Manufacturer Package Code:

    BC256

  • Country Of Origin:

    Philippines

  • ECCN Code:

    3A991.B.2.A

  • HTS Code:

    8542.32.00.41

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    3

  • Access Time-Max:

    12 ns

  • I/O Type:

    COMMON

  • JESD-30 Code:

    S-PBGA-B256

  • JESD-609 Code:

    e0

  • Length:

    17 mm

  • 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:

    ASYNCHRONOUS

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Organization:

    32KX36

  • Output Characteristics:

    3-STATE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LBGA

  • Package Equivalence Code:

    BGA256,16X16,40

  • Package Shape:

    SQUARE

  • Package Style:

    GRID ARRAY, LOW PROFILE

  • Parallel/Serial:

    PARALLEL

  • Peak Reflow Temperature (Cel):

    225

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.5 mm

  • Standby Current-Max:

    0.015 A

  • Standby Voltage-Min:

    3.15 V

  • Supply Current-Max:

    0.515 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:

    INDUSTRIAL

  • Terminal Finish:

    Tin/Lead (Sn63Pb37)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    1 mm

  • Terminal Position:

    BOTTOM

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

    20

  • Width:

    17 mm

70V657S12BCI Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note (R01AN3601EU0100) which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize noise.
  • The 70V657S12BCI has a built-in POR and BOD circuit. To implement POR, connect the VCC pin to a power supply and ensure it meets the specified voltage range. For BOD, connect the VCC pin to a power supply and set the BOD threshold voltage using the BODVCC pin. Refer to the datasheet for specific pin connections and voltage levels.
  • The maximum clock frequency for the 70V657S12BCI is 12 MHz. However, it's recommended to check the specific clock frequency requirements for your application and ensure it meets the device's specifications.
  • The 70V657S12BCI has a low-power sleep mode that reduces power consumption. To enter sleep mode, set the SLEEP pin high and ensure the device is in a stable state. The device will automatically wake up when an interrupt occurs or when the SLEEP pin is set low. Refer to the datasheet for specific sleep mode current consumption values.
  • To ensure EMC and EMI compliance, follow Renesas' guidelines for PCB layout, component selection, and shielding. Additionally, consider using EMI filters, ferrite beads, and decoupling capacitors to minimize noise and radiation. Refer to Renesas' application notes and EMC guidelines for more information.

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