28F640W30 NUMONYX [Numonyx B.V], 28F640W30 Datasheet - Page 7
28F640W30
Manufacturer Part Number
28F640W30
Description
Numonyx Wireless Flash Memory (W30)
Manufacturer
NUMONYX [Numonyx B.V]
Datasheet
1.28F640W30.pdf
(102 pages)
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Numonyx™ Wireless Flash Memory (W30)
1.0
1.1
1.2
November 2007
Order Number: 290702-13
Introduction
The Numonyx™ Wireless Flash Memory (W30) device combines state-of-the-art
Numonyx™ Flash technology to provide a versatile memory solution for high
performance, low power, board constraint memory applications. The W30 flash memory
device offers a multi-partition, dual-operation flash architecture that enables the flash
device to read from one partition while programming or erasing in another partition.
This Read-While-Write or Read-While-Erase capability makes it possible to achieve
higher data throughput rates compared to single partition devices. Two processors can
interleave code execution, because program and erase operations can now occur as
background processes.
The
mode to improve 12 V factory programming performance. This feature helps eliminate
manufacturing bottlenecks associated with programming high-density flash memory
devices. The EFP program time is 3.5 µs per word, compared to the standard factory
program time of 8.0 µs per word, so EFP mode saves significant factory programming
time for improved factory efficiency.
T
WAIT signal polarity, and is supported by an array of software tools.
Document Purpose
This datasheet contains information about the Product Name device family. Throughout
this document, this device family is referred to as the W30 flash memory device.
Nomenclature
Acronyms that describe product features or usage are defined here:
he
• This chapter provides a flash memory overview.
•
•
•
•
•
• APS - Automatic Power Savings
• BBA - Block Base Address
• CFI - Common Flash Interface
• CUI - Command User Interface
• DU - Do not Use
• EFP - Enhanced Factory Programming
• FDI - Flash Data Integrator
• NC - No Connect
• OTP - One-Time Programmable
• PBA - Partition Base Address
• RCR - Read Configuration Register
W30 flash memory device
Chapter 2.0
Chapter 6.0
product offerings.
Appendix A
Appendix B
the W30 flash memory device.
Appendix C
W30 flash memory device
describes the Numonyx™ Common Flash Interface (CFI) as it applies to
describes the Write State Machine (WSM),
provides ordering information for the Product Name device family.
through
describes the electrical specifications for extended temperature
Chapter 8.0
incorporates an Enhanced Factory Programming (EFP)
also includes block lock-down and programmable
describe the memory functionality.
Datasheet
7
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