參數(shù)資料
型號(hào)： AM29BDS64HE9VFI
廠商： Spansion Inc.
英文描述： 128 or 64 Megabit (8 M or 4 M x 16-Bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst Mode Flash Memory
中文描述： 128或64兆位（8米或4個(gè)M x 16位）的CMOS 1.8伏，只有同時(shí)讀/寫(xiě)，突發(fā)模式閃存
文件頁(yè)數(shù)： 3/89頁(yè)
文件大小： 913K
代理商： AM29BDS64HE9VFI
DATA SHEET
Publication#
27024
Issue Date:
May 10, 2006
Rev:
B
Amendment:
3
Am29BDS128H/Am29BDS640H
128 or 64 Megabit (8 M or 4 M x 16-Bit)
CMOS 1.8 Volt-only Simultaneous Read/Write, Burst Mode Flash Memory
DISTINCTIVE CHARACTERISTICS
ARCHITECTURAL ADVANTAGES
Single 1.8 volt read, program and erase (1.65 to 1.95 volt)
■
■
Manufactured on 0.13 μm process technology
■
VersatileIO (V
IO
) Feature
— Device generates data output voltages and tolerates data
input voltages as determined by the voltage on the V
IO
pin
— 1.8V compatible I/O signals
■
Simultaneous Read/Write operation
— Data can be continuously read from one bank while
executing erase/program functions in other bank
— Zero latency between read and write operations
— Four bank architecture:
128 Mb has 16/48/48/16 Mbit banks
64 Mb has 8/24/24/8 Mbit banks
■
Programable Burst Interface
— 2 Modes of Burst Read Operation
— Linear Burst: 8, 16, and 32 words with wrap-around
— Continuous Sequential Burst
■
SecSi
TM
(Secured Silicon) Sector region
— Up to 128 words accessible through a command sequence
— Up to 64 factory-locked words
— Up to 64 customer-lockable words
Sector Architecture
— Banks A and D each contain both 4 Kword sectors and 32
Kword sectors; Banks B and C contain ninety-six 32 Kword
sectors
— Sixteen 4 Kword boot sectors
Half of the boot sectors are at the top of the address range;
half are at the bottom of address range
■
■
■
Minimum 1 million erase cycle guarantee per sector
20-year data retention at 125°C
— Reliable operation for the life of the system
■
80-ball FBGA package (128 Mb) or 64-ball FBGA (64 Mb)
package
PERFORMANCE CHARCTERISTICS
Read access times at 75/66/54 MHz (C
L
=30 pF)
— Burst access times of 9.3/11/13.5 ns at industrial
temperature range
— Synchronous latency of 49/56/69 ns
■
— Asynchronous random access times of 45/50/55 ns
Power dissipation (typical values, C
L
= 30 pF)
— Burst Mode Read: 10 mA
— Simultaneous Operation: 25 mA
— Program/Erase: 15 mA
— Standby mode: 0.2 μA
■
HARDWARE FEATURES
Handshaking feature
— Provides host system with minimum possible latency by
monitoring RDY
■
— Reduced Wait-state handshaking option further reduces
initial access cycles required for burst accesses beginning on
even addresses
■
Hardware reset input (RESET#)
— Hardware method to reset the device for reading array data
■
WP# input
— Write protect (WP#) function allows protection of the four
highest and four lowest 4 kWord boot sectors, regardless of
sector protect status
Persistent Sector Protection
— A command sector protection method to lock combinations of
individual sectors and sector groups to prevent program or
erase operations within that sector
■
— Sectors can be locked and unlocked in-system at V
CC
level
Password Sector Protection
— A sophisticated sector protection method to lock
combinations of individual sectors and sector groups to
prevent program or erase operations within that sector using
a user-defined 64-bit password
■
■
ACC input: Acceleration function reduces programming
time; all sectors locked when ACC = V
IL
CMOS compatible inputs, CMOS compatible outputs
■
■
Low V
CC
write inhibit
SOFTWARE FEATURES
Supports Common Flash Memory Interface (CFI)
■
■
Software command set compatible with JEDEC 42.4
standards
— Backwards compatible with Am29F and Am29LV families
■
Data# Polling and toggle bits
— Provides a software method of detecting program and erase
operation completion
Erase Suspend/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
■
■
Unlock Bypass Program command
— Reduces overall programming time when issuing multiple
program command sequences
■
Burst Suspend/Resume
— Suspends a burst operation to allow system use of the
address and data bus, than resumes the burst at the previous
state
The Am29BDS640H has been retired and is not recommended for designs. For new designs, S29WS064K supersedes Am29BDS640H. Please refer to the S29WS-K family data sheet for
specifications and ordering information. The Am29BDS128H is available and is not affected by this revision.
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