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  • 參數(shù)資料
    型號(hào): IDT7142SA55JB
    廠商: INTEGRATED DEVICE TECHNOLOGY INC
    元件分類: DRAM
    英文描述: HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPTS
    中文描述: 2K X 8 DUAL-PORT SRAM, 55 ns, PQCC52
    封裝: 0.750 X 0.750 INCH, 0.170 INCH HEIGHT, PLASTIC, LCC-52
    文件頁數(shù): 1/16頁
    文件大?。?/td> 255K
    代理商: IDT7142SA55JB
    1
    2004 Integrated Device Technology, Inc.
    JUNE 2004
    DSC-2692/16
    HIGH SPEED
    2K x 8 DUAL PORT
    STATIC RAM
    IDT7132SA/LA
    IDT7142SA/LA
    Functional Block Diagram
    Features
    High-speed access
    – Commercial: 20/25/35/55/100ns (max.)
    – Industrial: 25ns (max.)
    – Military: 25/35/55/100ns (max.)
    Low-power operation
    – IDT7132/42SA
    Active: 325mW (typ.)
    Standby: 5mW (typ.)
    – IDT7132/42LA
    Active: 325mW (typ.)
    Standby: 1mW (typ.)
    NOTES:
    1. IDT7132 (MASTER):
    BUSY
    is open drain output and requires pullup resistor of 270
    .
    IDT7142 (SLAVE):
    BUSY
    is input.
    2. Open drain output: requires pullup resistor of 270
    .
    MASTER IDT7132 easily expands data bus width to 16-or-more
    bits using SLAVE IDT7142
    On-chip port arbitration logic (IDT7132 only)
    BUSY
    output flag on IDT7132;
    BUSY
    input on IDT7142
    Battery backup operation —2V data retention (LA only)
    TTL-compatible, single 5V ±10% power supply
    Available in 48-pin DIP, LCC and Flatpack, and 52-pin PLCC
    packages
    Military product compliant to MIL-PRF-38535 QML
    Industrial temperature range (–40°C to +85°C) is available for
    selected speeds
    OE
    L
    CE
    L
    R/W
    L
    I/O
    OL-
    I/O
    7L
    BUSY
    L
    (1,2)
    A
    10L
    A
    0L
    CE
    L
    OE
    L
    R/
    W
    L
    CE
    R
    OE
    R
    R/
    W
    R
    OE
    R
    CE
    R
    R/
    W
    R
    I/O
    OR-
    I/O
    7R
    BUSY
    R
    (1,2)
    A
    10R
    A
    0R
    I/O
    Control
    I/O
    Control
    Address
    Decoder
    Address
    Decoder
    MEMORY
    ARRAY
    ARBITRATION
    LOGIC
    2692 drw 01
    m
    11
    11
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