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SST39VF100-70-4I-WK Datasheet

  • SST39VF100-70-4I-WK

  • 1 Mbit (64K x16) Multi-Purpose Flash

  • 22頁(yè)

  • SST   SST

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1 Mbit (64K x16) Multi-Purpose Flash
SST39LF100 / SST39VF100
SST39LF/VF1003.0 & 2.7V 1 Mb (x16) MPF memories
Data Sheet
FEATURES:
鈥?Organized as 64K x16
鈥?Single Voltage Read and Write Operations
鈥?3.0-3.6V for SST39LF100
鈥?2.7-3.6V for SST39VF100
鈥?Superior Reliability
鈥?Endurance: 100,000 Cycles (typical)
鈥?Greater than 100 years Data Retention
鈥?Low Power Consumption
鈥?Active Current: 20 mA (typical)
鈥?Standby Current: 3 碌A(chǔ) (typical)
鈥?Sector-Erase Capability
鈥?Uniform 2 KWord sectors
鈥?Fast Read Access Time
鈥?45 ns for SST39LF100
鈥?70 ns for SST39VF100
鈥?Latched Address and Data
鈥?Fast Erase and Word-Program
鈥?Sector-Erase Time: 18 ms (typical)
鈥?Chip-Erase Time: 70 ms (typical)
鈥?Word-Program Time: 14 碌s (typical)
鈥?Chip Rewrite Time: 1 second (typical)
鈥?Automatic Write Timing
鈥?Internal V
PP
Generation
鈥?End-of-Write Detection
鈥?Toggle Bit
鈥?Data# Polling
鈥?CMOS I/O Compatibility
鈥?JEDEC Standard Command Sets
鈥?Packages Available
鈥?40-lead TSOP (10mm x 14mm)
鈥?48-ball TFBGA (6mm x 8mm)
PRODUCT DESCRIPTION
The SST39LF/VF100 devices are 64K x16 CMOS Multi-
Purpose Flash (MPF) manufactured with SST鈥檚 proprietary,
high performance CMOS SuperFlash technology. The
split-gate cell design and thick oxide tunneling injector
attain better reliability and manufacturability compared with
alternate
approaches.
The
SST39LF100
and
SST39VF100 write (Program or Erase) with a single volt-
age power supply of 3.0-3.6V and 2.7-3.6V, respectively.
Featuring high performance Word-Program, the SST39LF/
VF100 devices provide a typical Word-Program time of 14
碌sec. The devices use Toggle Bit or Data# Polling to detect
the completion of the Program or Erase operation. To pro-
tect against inadvertent write, the SST39LF/VF100 have
on-chip hardware and software data protection schemes.
Designed, manufactured, and tested for a wide spectrum of
applications, the SST39LF/VF100 are offered with a guar-
anteed endurance of 10,000 cycles. Data retention is rated
at greater than 100 years.
The SST39LF/VF100 devices are suited for applications
that require convenient and economical updating of pro-
gram, configuration, or data memory. For all system appli-
cations, the SST39LF/VF100 significantly improve
performance and reliability, while lowering power consump-
tion. The SST39LF/VF100 inherently use less energy dur-
ing Erase and Program than alternative flash technologies.
The total energy consumed is a function of the applied volt-
age, current, and time of application. Since for any given
voltage range, the SuperFlash technology uses less cur-
rent to program and has a shorter erase time, the total
漏2001 Silicon Storage Technology, Inc.
S71129-02-000 6/01
363
1
energy consumed during any Erase or Program operation
is less than alternative flash technologies. The SST39LF/
VF100 also improve flexibility while lowering the cost for
program, data, and configuration storage applications.
The SuperFlash technology provides fixed Erase and Pro-
gram times, independent of the number of Erase/Program
cycles that have occurred. Therefore the system software
or hardware does not have to be modified or de-rated as is
necessary with alternative flash technologies, whose Erase
and Program times increase with accumulated Erase/Pro-
gram cycles.
To meet surface mount requirements, the SST39LF/VF100
are offered in 40-lead TSOP and 48-ball TFBGA packages.
See Figure 1 for pinout.
Device Operation
Commands are used to initiate the memory operation func-
tions of the device. Commands are written to the device
using standard microprocessor write sequences. A com-
mand is written by asserting WE# low while keeping CE#
low. The address bus is latched on the falling edge of WE#
or CE#, whichever occurs last. The data bus is latched on
the rising edge of WE# or CE#, whichever occurs first.
The SST logo and SuperFlash are registered trademarks of Silicon Storage Technology, Inc.
MPF is a trademark of Silicon Storage Technology, Inc.
These specifications are subject to change without notice.

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