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AM29LV320D. 29LV320D Datasheet |
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Am29LV320D
Data Sheet
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Publication Number 23579 Revision C Amendment +3 Issue Date September 19, 2003
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Am29LV320Dwww.DataSheet4U.com
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
Publication# 23579 Rev: C Amendment/+3
Issue Date: September 19, 2003
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