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    1. Home/
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    3. Memory ICs/
    4. NVRAM/
    5. AT27C256R-90PC Microchip

    AT27C256R-90PC [Microchip]

    AT27C256R-90PC
    AT27C256R-90PC

    Part No:

    AT27C256R-90PC

    Category:

    NVRAM

    Manufacturer:

    Microchip

    Description:

    The AT27C256R is a low-power, high-performance 262,144-bit one-time programmable read only memory (OTP EPROM) organized 32K by 8 bits.

    Datasheet:

    Stock Status:

    Available for RFQ

    Pricing:

    Request Volume Pricing

    Quote Response:

    Within 24 Hours

    Shipping:

    In-stock parts ship in 1–2 business days

    Specification

    Type
    Parameter
    Access Time
    45 ns
    Active Current
    20mA
    Operating Temperature Commercial
    0°C ~ 70°C
    Operating Temperature Industrial
    -40°C ~ 85°C
    Input Capacitance
    6pF
    Output Capacitance
    12pF
    ESD Protection
    2000V
    Input High Voltage
    2.0V ~ Vcc+0.5V
    Input Low Voltage
    -0.6V ~ 0.8V
    Supply Voltage
    4.5V ~ 5.5V
    Package
    PDIP-28, PLCC-32, TSOP-28, SOIC-28
    Ce Access Time Max
    45 ns
    Latchup Immunity
    200mA
    Oe Access Time Max
    20 ns
    Operating Temperature Automotive Max
    125°C
    Operating Temperature Automotive Min
    -40°C
    Output Float Time Max
    20 ns
    Output High Voltage
    2.4V
    Output Hold Time Min
    7 ns
    Output Low Voltage
    0.4V
    Programming Time Per Byte
    100 µs/byte (typical)
    Standby Current Cmos Max
    100µA
    Standby Current Ttl Max
    1mA
    Vcc Program Max
    6.75V
    Vcc Program Min
    6.25V
    Vpp Program Max
    13.25V
    Vpp Program Min
    12.75V

    Products Detail

    The AT27C256R is a 256Kbit (32Kx8) OTP EPROM requiring a single 5V power supply. It features fast 45ns read access time, low-power CMOS operation (100µA max standby, 20mA max active at 5MHz), and JEDEC-standard packages including PDIP, PLCC, TSOP, and SOIC. The device offers CMOS/TTL compatible I/O, integrated product identification code, high reliability with 2000V ESD protection and 200mA latchup immunity, and supports Rapid™ Programming Algorithm (100µs/byte). Available in commercial, industrial, and automotive temperature ranges.

    Key Features

    • Fast Read Access Time - 45 ns
    • Low-Power CMOS Operation (100 µA max Standby, 20 mA max Active at 5 MHz)
    • JEDEC Standard Packages (28-Lead PDIP, 32-Lead PLCC, 28-Lead TSOP/SOIC)
    • 5V ±10% Supply
    • High Reliability CMOS Technology (2000V ESD Protection, 200 mA Latchup Immunity)
    • Rapid™ Programming Algorithm - 100 µs/byte (typical)
    • CMOS and TTL Compatible Inputs and Outputs
    • Integrated Product Identification Code
    • Commercial, Industrial and Automotive Temperature Ranges

    Documents

    Datasheets:

    AT27C256R

    PCN Packaging:

    Transfer to Microchip/Label/Pkg 5/Sep/2016
    Product FAQ

    1. Is AT27C256R-90PC available for RFQ?

    Yes. AT27C256R-90PC by Microchip is available for RFQ. Submit your required quantity and our team will confirm real-time stock, lead time, and volume pricing.

    2. Why is there no fixed price for AT27C256R-90PC?

    Pricing for AT27C256R-90PC can vary by order quantity, market availability, date code, packaging, and delivery destination. Request a quote to receive the latest volume pricing.

    3. What are the key specifications of AT27C256R-90PC?

    AT27C256R-90PC is a Microchip NVRAM with Operating Temperature Automotive Max: 125°C and Operating Temperature Automotive Min: -40°C. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for AT27C256R-90PC?

    Our sales team usually responds within 24 hours after receiving your RFQ. The quote may include stock status, unit price, lead time, shipping options, and available alternatives.

    5. How soon can AT27C256R-90PC be shipped?

    If stock is confirmed, in-stock parts can usually ship within 1–2 business days. Final lead time depends on quantity, stock source, and delivery destination.

    6. Can you suggest alternatives to AT27C256R-90PC?

    Yes. If AT27C256R-90PC is unavailable, obsolete, or does not meet your required lead time, we can help check similar Microchip NVRAM parts or compatible alternatives.

    RFQ

    Part Number:

    AT27C256R-90PC

    Manufacturer:

    Microchip

    Looking for Pricing? Contact us for volume pricing.

    Shipping & Warranty

    Fast Dispatch: Ships in 5-7 days(in-stock parts within 1-2 days)

    Unishop Global Export: 1-7 days, $40.00

    Guaranteed Delivery: Door-to-door in 30 days

    Compliant Worldwide Shipping: DHL, FedEx, SF, and UPS.

    Feature

    • 30-Day Guarantee
      30-Day Guarantee
    • Fasted Delivery
      Fasted Delivery
    • Hassle-Free Returns
      Hassle-Free Returns
    • Secure payment method
      Secure payment method

    IMPORTANT NOTICE

    Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

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