參數(shù)資料
型號(hào)： Am29LV641DL90RZE
廠商： Advanced Micro Devices, Inc.
英文描述： 8 Characters x 2 Lines, 5x7 Dot Matrix Character and Cursor
中文描述： 64兆位（4個(gè)M x 16位），3.0伏的CMOS只均勻部門(mén)閃光控制記憶與VersatileI
文件頁(yè)數(shù)： 12/57頁(yè)
文件大?。?/td> 1467K
代理商： AM29LV641DL90RZE
Publication# 22366
Rev: B Amendment/+8
Issue Date: September 20, 2002
Refer to AMD’s Website (www.amd.com) for the latest information.
Am29LV640D/Am29LV641D
64 Megabit (4 M x 16-Bit) CMOS 3.0 Volt-only
Uniform Sector Flash Memory with VersatileIO
Control
DISTINCTIVE CHARACTERISTICS
s Single power supply operation
— 3.0 to 3.6 volt read, erase, and program operations
s VersatileIO
control
— Device generates output voltages and tolerates data
input voltages on the DQ input/ouputs as determined
by the voltage on V
IO
s High performance
— Access times as fast as 90 ns
s Manufactured on 0.23 m process technology
s CFI (Common Flash Interface) compliant
— Provides device-specific information to the system,
allowing host software to easily reconfigure for
different Flash devices
s SecSi (Secured Silicon) Sector region
— 128-word sector for permanent, secure identification
through an 8-word random Electronic Serial Number
— May be programmed and locked at the factory or by
the customer
— Accessible through a command sequence
s Ultra low power consumption (typical values at 3.0 V,
5 MHz)
— 9 mA typical active read current
— 26 mA typical erase/program current
— 200 nA typical standby mode current
s Flexible sector architecture
— One hundred twenty-eight 32 Kword sectors
s Sector Protection
— A hardware method to lock a sector to prevent
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
s 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
s Compatibility with JEDEC standards
— Pinout and software compatible with single-power
supply Flash
— Superior inadvertent write protection
s Minimum 1 million erase cycle guarantee per sector
s Package options
— 48-pin TSOP (Am29LV641DH/DL only)
— 56-pin SSOP (Am29LV640DH/DL only)
— 63-ball Fine-Pitch BGA (Am29LV640DU only)
— 64-ball Fortified BGA (Am29LV640DU only)
s Erase Suspend/Erase Resume
— Suspends an erase operation to read data from, or
program data to, a sect27
— or that is not being erased, then resumes the erase
operation
s Data# Polling and toggle bits
— Provides a software method of detecting program or
erase operation completion
s Unlock Bypass Program command
— Reduces overall programming time when issuing
multiple program command sequences
s Ready/Busy# pin (RY/BY#) (Am29LV640DU in FBGA
package only)
— Provides a hardware method of detecting program or
erase cycle completion
s Hardware reset pin (RESET#)
— Hardware method to reset the device for reading array
data
s WP# pin (Am29LV641DH/DL in TSOP,
Am29LV640DH/DL in SSOP only)
— At V
IL, protects the first or last 32 Kword sector,
regardless of sector protect/unprotect status
— At V
IH, allows removal of sector protection
— An internal pull up to V
CC is provided
s ACC pin
— Accelerates programming time for higher throughput
during system production
s Program and Erase Performance (V
HH not applied to
the ACC input pin)
— Word program time: 11 s typical
— Sector erase time: 0.9 s typical for each 32 Kword
sector
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