參數(shù)資料
型號(hào): AM70PDL7BDH66IT
廠商: Spansion Inc.
英文描述: Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)
中文描述: 堆疊式多芯片封裝(MCP / XIP)的快閃記憶體,數(shù)據(jù)存儲(chǔ)的MirrorBit閃存和移動(dòng)存儲(chǔ)芯片(XIP)的
文件頁(yè)數(shù): 82/128頁(yè)
文件大?。?/td> 916K
代理商: AM70PDL7BDH66IT
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Am70PDL127BDH/Am70PDL129BDH
November 25, 2003
A D V A N C E I N F O R M A T I O N
GENERAL DESCRIPTION (LV640M)
The Am29LV640MH is a 64 Mbit, 3.0 volt single power
supply flash memory device organized as 4,194,304
words. The device has an 8-bit/16-bit bus and can be
programmed either in the host system or in standard
EPROM programmers.
An access time of 110 ns is available. Each device re-
quires only a
single 3.0 volt power supply
for both
read and write functions. In addition to a V
CC
input, a
high-voltage
accelerated program (ACC)
feature pro-
vides shorter programming times through increased
current on the WP#/ACC input. This feature is in-
tended to facilitate factory throughput during system
production, but may also be used in the field if desired.
The device is entirely command set compatible with
the
JEDEC single-power-supply Flash standard
.
Commands are written to the device using standard
microprocessor write timing. Write cycles also inter-
nally latch addresses and data needed for the pro-
gramming and erase operations.
The
sector erase architecture
allows memory sec-
tors to be erased and reprogrammed without affecting
erased when shipped from the factory.
Device programming and erasure are initiated through
command sequences. Once a program or erase oper-
ation has begun, the host system need only poll the
DQ7 (Data# Polling) or DQ6 (toggle)
status bits
or
monitor the
Ready/Busy# (RY/BY#)
output to deter-
mine whether the operation is complete. To facilitate
programming, an
Unlock Bypass
mode reduces com-
mand sequence overhead by requiring only two write
cycles to program data instead of four.
The
Versatile I/O
(V
IO
) control allows the host sys-
tem to set the voltage levels that the device generates
and tolerates on the CE# control input and DQ I/Os to
the same voltage level that is asserted on the V
IO
pin.
Refer to the
Ordering Information
section for valid V
IO
options.
Hardware data protection
measures include a low
V
CC
detector that automatically inhibits write opera-
tions during power transitions. The hardware sector
protection feature disables both program and erase
operations in any combination of sectors of memory.
This can be achieved in-system or via programming
equipment.
The
Erase Suspend/Erase Resume
feature allows
the host system to pause an erase operation in a given
sector to read or program any other sector and then
complete the erase operation. The
Program Sus-
pend/Program Resume
feature enables the host sys-
tem to pause a program operation in a given sector to
read any other sector and then complete the program
operation.
The
hardware RESET# pin
terminates any operation
in progress and resets the device, after which it is then
ready for a new operation. The RESET# pin may be
tied to the system reset circuitry. A system reset would
thus also reset the device, enabling the host system to
read boot-up firmware from the Flash memory device.
The device reduces power consumption in the
standby mode
when it detects specific voltage levels
on CE# and RESET#, or when addresses have been
stable for a specified period of time.
The
Write Protect (WP#)
feature protects the first or
last sector by asserting a logic low on the WP#/ACC
pin. The protected sector will still be protected even
during accelerated programming.
The
SecSi
(Secured Silicon) Sector
provides a
128-word area for code or data that can be perma-
nently protected. Once this sector is protected, no fur-
ther changes within the sector can occur.
AMD MirrorBit flash technology combines years of
Flash memory manufacturing experience to produce
the highest levels of quality, reliability and cost effec-
tiveness. The device electrically erases all bits within a
sector simultaneously via hot-hole assisted erase. The
data is programmed using hot electron injection.
相關(guān)PDF資料
PDF描述
AM70PDL7BDH85IS Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)
AM70PDL7BDH85IT Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)
AM70PDL9BDH66IS Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)
AM70PDL9BDH66IT Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)
AM70PDL9BDH85IS Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AM70PDL7BDH85IS 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)
AM70PDL7BDH85IT 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)
AM70PDL9BDH66IS 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)
AM70PDL9BDH66IT 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)
AM70PDL9BDH85IS 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)