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Intel - (28FxxxW18) 1.8 V Wireless Flash Memory

Numéro de référence 28F640W18
Description (28FxxxW18) 1.8 V Wireless Flash Memory
Fabricant Intel 
Logo Intel 





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28F640W18 fiche technique
1.8 Volt Intel® Wireless Flash Memory
(W18)
28F320W18, 28F640W18, 28F128W18
Preliminary Datasheet
Product Features
s Performance
70 ns Asynchronous reads for 32 and 64 Mbit,
90 ns for 128 Mbit
m14 ns Clock to Data Output (tCHQV)
20 ns Page Mode Read Speed
o4-Word, 8-Word, and Continuous-Word Burst
Modes
.cBurst and Page Modes in Parameter and Main
Partitions
Programmable WAIT Configuration
Enhanced Factory Programming Mode@
U3.50 µs/Word (Typ)
Glueless 12 V interface for Fast Factory
t4Programming @ 8 µs/Word (Typ)
1.8 V Low-Power Programming @ 12 µs/Word
(Typ)
eProgram or Erase during Reads
s Architecture
eMultiple 4-Mbit Partitions
Dual-Operation: Read-While-Write or Read-
hWhile-Erase
Eight, 4-Kword Parameter Code and Data
Blocks
S32-Kword Main Code and Data Blocks
Top and Bottom Parameter Configurations
tas Power Operation
1.7 V to 1.95 V Read and Write Operations
1.7 V to 2.24 V VCCQ for I/O Isolation
aStandby Current: 5 µA (Typ)
Read Current: 7 mA (Typ)
s Software
5 µs (Typ) Program Suspend
5 µs (Typ) Erase Suspend
Intel® Flash Data Integrator (FDI) Software
Optimized
Intel Basic Command Set Compatible
Common Flash Interface (CFI)
s Quality and Reliability
Extended Temperature: 40 °C to +85 °C
Minimum 100,000 Erase Cycles per Block
ETOXVII Flash Technology (0.18 µm)
s Security
128-bit Protection Register: 64 Unique Device
Identifier Bits; 64 User-Programmable OTP
Bits
Absolute Write Protection VPP = GND
Erase/Program Lockout during Power
Transitions
Individual Dynamic Zero-Latency Block
Locking
Individual Block Lock-Down
s Density and Packaging
32 Mbit and 128 Mbit in a VF BGA Package
64 Mbit in a µBGA*Package
56 Active Ball Matrix, 0.75 mm Ball-Pitch
µBGA* and VF BGA Packages
16-bit wide Data Bus
.DThe 1.8 Volt Intel® Wireless Flash memory with flexible multi-partition dual-operation provides high-
performance asynchronous and synchronous burst reads. It is an ideal memory for low-voltage burst CPUs.
wCombining high read performance with flash memorys intrinsic non-volatility, 1.8 Volt Intel Wireless Flash
memory eliminates the traditional system-performance paradigm of shadowing redundant code memory from
slow nonvolatile storage to faster execution memory. It reduces the total memory requirement that increases
wreliability and reduces overall system power consumption and cost.
mThe 1.8 Volt Intel Wireless Flash memorys flexible multi-partition architecture allows programming or erasing to
woccur in one partition while reading from another partition. This allows for higher data write throughput
ocompared to single partition architectures. The dual-operation architecture also allows two processors to
.cinterleave code operations while program and erase operations take place in the background. The designer can
also choose the size of the code and data partitions via the flexible multi-partition architecture.
t4UThe 1.8 Volt Intel Wireless Flash memory is manufactured on Intels 0.18 µm ETOXVII process technology. It
is available in µBGA and VF BGA packages which are ideal for board-constrained applications.
SheeNotice: This document contains preliminary information on new products in production. The
taspecifications are subject to change without notice. Verify with your local Intel sales office that
you have the latest datasheet before finalizing a design.
.Da 290701-003
www June 2001

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