W764M32V-XSBX
White Electronic Designs
ADVANCED*
64Mx32 Flash Multi-Chip Package
3.0V Page Mode Flash Memory
FEATURES
ꢀ
Single power supply operation
• 3 volt read, erase, and program operations
I/O Control
ꢀ
Software features
• Program Suspend and Resume: read other
sectors before programming operation is
completed
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• All input levels (address, control, and DQ input
levels) and outputs are determined by voltage on
• Erase Suspend and Resume: read/program other
sectors before an erase operation is completed
VIO input. VIO range is 1.65 to VCC
• Data# polling and toggle bits provide status
ꢀ
Secured Silicon Sector region
• Unlock Bypass Program command reduces overall
multiple-word programming time
• 128-word/256-byte sector for permanent, secure
identification through an 8-word/16-byte random
Electronic Serial Number, accessible through a
command sequence
• CFI (Common Flash Interface) compliant: allows
host system to identify and accommodate multiple
flash devices
• May be programmed and locked at the factory or
by the customer
ꢀ
Hardware features
ꢀ
ꢀ
Flexible sector architecture
• Advanced Sector Protection
• Five hundred twelve 64 Kword (128 Kbyte) sectors
• WP#/ACC input accelerates programming
time (when high voltage is applied) for greater
throughput during system production. Protects
first or last sector regardless of sector protection
settings
• Two hundred fifty-six 64 Kword (128 Kbyte)
sectors
• One hundred twenty-eight 64 Kword (128 Kbyte)
sectors
• Hardware reset input (RESET#) resets device
Compatibility with JEDEC standard
• Ready/Busy# output (RY/BY#) detects program or
erase cycle completion
* This product is under development, is not qualified or characterized and is subject to
change or cancellation without notice.
• Provides software compatibility for single-power
supply flash, and superior inadvertent write
protection
ꢀ
ꢀ
100,000 erase cycles per sector typical
20-year data retention typical
PERFORMANCE CHARACTERISTICS
ꢀ
High Performance
• 100, 120 ns
• 8-word/16-byte page read buffer
• 25 ns page read times
• 16-word/32-byte write buffer reduces overall
programming time for multiple-word updates
ꢀ
Package option
• 107 BGA, 14mm x 17mm
• 1.0mm pitch
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
March 2006
Rev. 2
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com