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AM29LV004B-1 Datasheet

Part NameDescriptionManufacturer
AM29LV004B-1 4 Megabit (512 K x 8-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory AMD
Advanced Micro Devices AMD
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GENERAL DESCRIPTION
The Am29LV004B is an 4 Mbit, 3.0 volt-only Flash memory organized as 524,288 bytes. The device is offered in a 40-pin TSOP package. The byte-wide (x8) data appears on DQ7–DQ0. This device requires only a single, 3.0 volt VCC supply to perform read, program, and erase operations. A standard EPROM programmer can also be used to program and erase the device.

DISTINCTIVE CHARACTERISTICS
■ Single power supply operation
    — Full voltage range: 2.7 to 3.6 volt read and write operations for battery-powered applications
    — Regulated voltage range: 3.0 to 3.6 volt read and write operations and for compatibility with high performance 3.3 volt microprocessors
■ Manufactured on 0.35 µm process technology
    — Compatible with 0.5 µm Am29LV004 device
■ High performance
    — Full voltage range: access times as fast as 80 ns
    — Regulated voltage range: access times as fast as 70 ns
■ Ultra low power consumption (typical values at 5 MHz)
    — 200 nA Automatic Sleep mode current
    — 200 nA standby mode current
    — 7 mA read current
    — 15 mA program/erase current
■ Flexible sector architecture
    — One 16 Kbyte, two 8 Kbyte, one 32 Kbyte, and seven 64 Kbyte sectors
    — Supports full chip erase
    — Sector Protection features:
        A hardware method of locking a sector to prevent any program or erase operations within that sector
        Sectors can be locked in-system or via programming equipment
        Temporary Sector Unprotect feature allows code changes in previously locked sectors
■ Unlock Bypass Program Command
    — Reduces overall programming time when issuing multiple program command sequences
■ Top or bottom boot block configurations available
■ Embedded Algorithms
    — Embedded Erase algorithm automatically preprograms and erases the entire chip or any combination of designated sectors
    — Embedded Program algorithm automatically writes and verifies data at specified addresses
■ Minimum 1,000,000 write cycle guarantee per sector
■ Package option
    — 40-pin TSOP
■ Compatibility with JEDEC standards
    — Pinout and software compatible with singlepower supply Flash
    — Superior inadvertent write protection
■ Data# Polling and toggle bits
    — Provides a software method of detecting program or erase operation completion
■ Ready/Busy# pin (RY/BY#)
    — Provides a hardware method of detecting program or erase cycle completion
■ Erase Suspend/Erase Resume
    — Suspends an erase operation to read data from, or program data to, a sector that is not being erased, then resumes the erase operation
■ Hardware reset pin (RESET#)
    — Hardware method to reset the device to reading array data

 

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