Blagoy Batev N:43783 group:2
FMI,Informatica 2004/2005
Spansion™ Advanced Architecture Flash
Memory Devices
AMD.COM
Our technology leadership and innovation have produced the next generation of lowvoltage Spansion™ Flash memory which incorporate our award-winning
Simultaneous Read/Write functionality, and offer burst or page mode interfaces to
significantly improve system performance. These high performance devices operate
from a single 1.8 or 3.0 Volt supply, reducing the active read current to just 2.0 mA
(at 1.0 MHz) for some devices. The reduced energy consumption and fast access
time combine to make these devices an ideal choice for cost-sensitive, batterypowered, cutting edge design applications.
Low Energy Consumption
Spansion advanced architecture Flash memories are an ideal solution for designers of
cellular phones, handheld GPS terminals, pagers, PDAs or other portable products
because they meet the primary objective of designers – to continuously enhance
battery life. Portable devices spend a large part of their time in a standby mode;
meaning the device is powered on, but in an inactive state. Low energy consumption
translates to longer standby times. Spansion advanced architecture Flash memories
require a very low standby current as low as 0.2 uA (Am29BDS323, Am29BDS643,
and Am29PDS322). This is the lowest known standby current consumption for any
burst or page mode Flash memory device.
Applications
Low-voltage, feature-rich Spansion Flash memory devices offer an ideal solution for a
variety of applications. The following lists some of the most valued features for a few
of these applications:

Digital Cellular Phones — Extremely low power consumption, burst mode
interface, industrial temperature grade product, pin-compatible density
upgrades, very high performance, Simultaneous Read/Write operation, and
small form-factor packaging known as Fine-Pitch Ball Grid Array (FBGA).

Personal Information Devices — Flexibility of in-system reprogrammability, full operation at 1.8 and 3.0 Volts, low energy consumption,
16 bit I/O bus, and high-speed data access.

Handheld Global Positioning Systems (GPS) and Automotive
Instrumentation — Industrial temperature grade operation, full operations
at 1.8 and 3.0 Volts, burst or page mode interface, and high performance.
Spansion Flash memory products are designed to meet the needs of the
market with innovative and value-added design features, leading-edge
process technologies, and state-of-the-art manufacturing capabilities
Blagoy Batev N:43783 group:2
Glossary:
Flash Memory
Flash memory is a non-volatile memory device that retains its data after the power is removed.
Flash Card
A small flash memory module. The memory chips are enclosed in a plastic case and retain data
after they are removed from the system. The most common uses for these are in laptops, pagers,
handheld computers, cell phones, digital cameras, and audio players. There are several different
form factors of flash cards, including Compact Flash, SmartMedia, PCMCIA, and Small Form
Factor Flash Card.
Device
An instrument or piece of technical equipment.
GPS(Global positioning system)
Provides highly accurate, real-time, all-weather position, velocity, and time data.
Pager
A device designed to transmit a signal to the owner of a vehicle in order to alert them when the
alarm has been triggered.
PDA
Personal Digital Assistant. A handheld computer that provides a calendar and organizer for
personal information. A PDA normally contains at least one database with names and addresses,
to-do lists and a notepad.
Fine-Pitch Ball Grid Array (FBGA)
Fine pitch ball grid array is a die package with a fine pitch ball arrangement on the underside of
the package.
Ball Grid Array
A type of memory chip with solder balls on the underside for mounting. Use of BGA allows die
package size to be reduced because there is more surface area for attachment. Smaller
packaging allows more components to be mounted on a module, making greater densities
available. The smaller package also improves heat dissipation for better performance
Bus
Circuitry that is used to move data.
Input/Output (I/O)
Communication between a computer and its users. It
storage devices, other computers (via network) or the outside world.
Interface
A program that controls a display for the user and that allows the user to interact with the system.
System
A group of objects related or interacting so as to forms a unity.
Blagoy Batev N:43783 group:2
Exercises:
1.Spansion is advance architecture for:
a)CPU
b)Flash Memory Devices
c)video cards
2.Spansion advanced architecture Flash
memory is it a good solution for cellular
phones, pagers, PDAs or other portable
products ?
a)Yes
b)No
3.High energy consumption translates to
longer standby times.
a)True
b)False
4.Spansion Flash memory devices are
incompatible whit Global Positioning Systems
(GPS).
a)True
b)False
5.Spansion Flash memory devices operate from
a single 3.5 or 5.0 Volt supply.
a)True
b)False
Blagoy Batev N:43783 group:2
Answers:
1.b)
2.a)
3.b)
4.b)
5.b)