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AM29LV320DT90WMD Arkusz danych(PDF) 3 Page - SPANSION |
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3 / 55 page Publication# 23579 Rev: C Amendment/+6 Issue Date: November 15, 2004 Am29LV320D 32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Boot Sector Flash Memory DISTINCTIVE CHARACTERISTICS ARCHITECTURAL ADVANTAGES ■ Secured Silicon (SecSiTM Sector) — 64 Kbyte Sector Size; Replacement/substitute devices (such as Mirrorbit ™) have 256 bytes. — Factory locked and identifiable: 16 bytes (8 words) available for secure, random factory Electronic Serial Number; verifiable as factory locked through autoselect function. ExpressFlash option allows entire sector to be available for factory-secured data — Customer lockable: Can be programmed once and then permanently locked after being shipped from AMD ■ Zero Power Operation — Sophisticated power management circuits reduce power consumed during inactive periods to nearly zero. ■ Package options —48-pin TSOP — 48-ball FBGA ■ Sector Architecture — Eight 8 Kbyte sectors — Sixty-three 64 Kbyte sectors ■ Top or bottom boot block ■ Manufactured on 0.23 µm process technology ■ Compatible with JEDEC standards — Pinout and software compatible with single-power-supply flash standard PERFORMANCE CHARACTERISTICS ■ High performance — Access time as fast 90 ns — Program time: 7µs/word typical utilizing Accelerate function ■ Ultra low power consumption (typical values) — 2 mA active read current at 1 MHz — 10 mA active read current at 5 MHz — 200 nA in standby or automatic sleep mode ■ Minimum 1 million erase cycles guaranteed per sector ■ 20 Year data retention at 125°C — Reliable operation for the life of the system SOFTWARE FEATURES ■ Supports Common Flash Memory Interface (CFI) ■ Erase Suspend/Erase Resume — Suspends erase operations to allow programming in non-suspended sectors ■ Data# Polling and Toggle Bits — Provides a software method of detecting the status of program or erase cycles ■ Unlock Bypass Program command — Reduces overall programming time when issuing multiple program command sequences HARDWARE FEATURES ■ Any combination of sectors can be erased ■ Ready/Busy# output (RY/BY#) — Hardware method for detecting program or erase cycle completion ■ Hardware reset pin (RESET#) — Hardware method of resetting the internal state machine to the read mode ■ WP#/ACC input pin — Write protect (WP#) function allows protection of two outermost boot sectors, regardless of sector protect status — Acceleration (ACC) function provides accelerated program times ■ Sector protection — Hardware method of locking a sector, either in-system or using programming equipment, to prevent any program or erase operation within that sector — Temporary Sector Unprotect allows changing data in protected sectors in-system |
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