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W72M64VK-XBX Schematic ( PDF Datasheet ) - White Electronic Designs

Teilenummer W72M64VK-XBX
Beschreibung 2Mx64 3.3V Simultaneous Operation Flash Multi-Chip Package
Hersteller White Electronic Designs
Logo White Electronic Designs Logo 




Gesamt 16 Seiten
W72M64VK-XBX Datasheet, Funktion
White Electronic Designs
W72M64VK-XBX
2Mx64 3.3V Simultaneous Operation Flash Multi-Chip Package
FEATURES
Access Times of 90, 100, 120ns
Packaging
• 159 PBGA, 13x22mm - 1.27mm pitch
1,000,000 Erase/Program Cycles
Sector Architecture
• Bank 1 (4Mb): eight 4K word, eight 32K word
www.DataSheeBt4aUn.kco2m(12Mb): twenty-four 32K word
• Bank 3 (12Mb): twenty-four 32K word
• Bank 4 (4Mb): eight 32K word
Bottom boot block
Zero Power Operation
Organized as 2Mx64 or 2x2Mx32
Commercial, Industrial and Military Temperature
Ranges
3.3 Volt for Read and Write Operations
Simultaneous Read/Write Operation:
• Data can be continuously read from one bank
while executing erase/program functions in
another bank
• Zero latency between read and write operations
Erase Suspend/Resume
• Suspends erase operations to allow programming
in same bank
Data# Polling and Toggle Bits
• Provides a software method of detecting the
status of program or erase cycles
Unlock Bypass Program command
• Reduces overall programming time when issuing
multiple program command sequences
Ready/Busy# output (RY/BY#)
• Hardware method for detecting program or erase
cycle completion
Hardware reset pin (RESET#)
• Hardware method of resetting the internal state
machine to the read mode
WP#/ACC input pin
• Write protect (WP#) function allows protection
two outermost boot sectors, regardless of sector
protect status
• Acceleration (ACC) function accelerates program
timing
Sector Protection
• Hardware method of locking a sector, either
in-system or using programming equipment, to
prevent any program or erase operation within
that sector
• Temporary Sector Unprotect allows changing
data in protected sectors in-system
Note: For programming information refer to Flash Programming
W72M64V-XBX Application Note.
This product is subject to change without notice.
April 2005
Rev. 0
1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com






W72M64VK-XBX Datasheet, Funktion
White Electronic Designs
W72M64VK-XBX
FIGURE 3: AC WAVEFORMS FOR READ OPERATIONS
Addresses
CS#
www.DataSheet4U.com
OE#
WE#
Outputs
RESET#
RY/BY#
OV
tRC
Addresses Stable
tACC
tOEH
High Z
tOE
tCE
tDF
tOH
Output Valid
High Z
April 2005
Rev. 0
6 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

6 Page









W72M64VK-XBX pdf, datenblatt
White Electronic Designs
W72M64VK-XBX
FIGURE 13: SECTOR/SECTOR BLOCK PROTECT AND UNPROTECT TIMING DIAGRAM
VID
VIH
RESET#
SA, A6,
A1, A0
www.DataSheet4UD.caotam
CS#
Valid*
Valid*
Sector/Sector Block Protect or Unprotect
Verify
60h 60h
40h
1 µs
Sector/Sector Block Protect: 150 µs
Sector/Sector Block Unprotect: 15 ms
Valid*
Status
WE#
OE#
NOTE: VA = Valid address, not required for DQ6. Illustration shows first two status cycle after command sequence, last status read cycle, and array data read cycle.
AC CHARACTERISTICS – ALTERNATE CS# CONTROLLED ERASE AND PROGRAM OPERATIONS
Parameter
JEDEC
tAVAV
tAVWL
tELAX
tDVEH
tEHDX
tGHEL
tWLEL
tEHWH
tELEH
tEHEL
tWHWH1
tWHWH1
tWHWH2
Std
tWC
tAS
tAH
tDS
tDH
tGHEL
TWS
tWH
tCP
tCPH
tWHWH1
tWHWH1
tWHWH2
NOTE: 1. Not tested.
Description
Write Cycle Time (1)
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Read Recovery Time Before Write (OE# High to WE# Low)
WE# Setup Time
WE# Hold Time
CS# Pulse Width
CS# Pulse Width High
Programming Operation
Accelerated Programming Operation
Sector Erase Operation
Speed Options
90 100 120 Unit
Min 90 100 120 ns
Min 0 0 0 ns
Min 45 45 50 ns
Min 45 45 50 ns
Min 0 0 0 ns
Min 0 0 0 ns
Min 0 0 0 ns
Min 0 0 0 ns
Min 35 45 50 ns
Min 30 30 30 ns
Typ 7 7 7 µs
Typ 4 4 4 µs
Typ 0.4 0.4 0.4 sec
April 2005
Rev. 0
12 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

12 Page





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