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AS6C62256A-70PIN - Alliance Memory

Description: SRAM 256K, 4.5-5.5V, 70ns 32K x 8 Asynch SRAM

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PCB Footprints
AS6C62256A-70PIN - Alliance Memory PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - DIP (28)
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3D Models
AS6C62256A-70PIN - Alliance Memory  - 3D model - Dual-In-Line Packages - DIP (28)
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AS6C62256A-70PIN Details

  • Manufacturer Part Number:

    AS6C62256A-70PIN

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    DIP-28

  • Pin Count:

    28

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.32.00.41

  • Manufacturer:

    Alliance Memory Inc

  • YTEOL:

    0

  • Access Time-Max:

    70 ns

  • I/O Type:

    COMMON

  • JESD-30 Code:

    R-PDIP-T28

  • JESD-609 Code:

    e3/e6

  • Length:

    36.322 mm

  • Memory Density:

    262144 bit

  • Memory IC Type:

    STANDARD SRAM

  • Memory Width:

    8

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Number of Words:

    32768 words

  • Number of Words Code:

    32000

  • Operating Mode:

    ASYNCHRONOUS

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Organization:

    32KX8

  • Output Characteristics:

    3-STATE

  • Output Enable:

    YES

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP28,.6

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Parallel/Serial:

    PARALLEL

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    3.937 mm

  • Standby Current-Max:

    0.000003 A

  • Standby Voltage-Min:

    2 V

  • Supply Current-Max:

    0.07 mA

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    PURE MATTE TIN/TIN BISMUTH

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Width:

    15.24 mm

AS6C62256A-70PIN Frequently Asked Questions (FAQs)

  • The AS6C62256A-70PIN can operate from -40°C to 85°C, making it suitable for industrial and commercial applications.
  • It's recommended to power up the VCC pin first, followed by the VSS pin, and then the other input pins. During power-down, the sequence should be reversed. This ensures proper voltage stabilization and prevents latch-up.
  • A 0.1 μF to 1 μF decoupling capacitor is recommended to be placed as close as possible to the VCC pin to filter out noise and ensure stable operation.
  • Yes, the AS6C62256A-70PIN is compatible with 3.3V power supplies. However, ensure that the input signals are also 3.3V-compatible to avoid any potential damage.
  • You can implement a wait state or delay by using the CE (Chip Enable) pin to hold the SRAM in a standby state. This allows the system to insert wait states or delays as needed.

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AS6C62256A-70PIN Overview

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