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LE25U81AQE Datasheet

8M-bit (1024K x 8) Serial Flash Memory

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Ordering number : ENA2199
LE25U81AQE
CMOS LSI
8M-bit (1024K x 8) Serial Flash Memory
http://onsemi.com
Overview
The LE25U81AQE is a SPI bus flash memory device with a 8M bit (1024K 8-bit) configuration that adds a high
performance Dual output and Dual I/O function. It uses a single 2.5V power supply. While making the most of the
features inherent to a serial flash memory device, the LE25U81AQE is housed in an 8-pin ultra-miniature package. All
these features make this device ideally suited to storing program in applications such as portable information devices,
which are required to have increasingly more compact dimensions. The LE25U81AQE also has a small sector erase
capability which makes the device ideal for storing parameters or data that have fewer rewrite cycles and conventional
EEPROMs cannot handle due to insufficient capacity.
Features
Read/write operations enabled by single 2.5V power supply : 2.3 to 2.7V supply voltage range
Operating frequency : 40MHz
Temperature range
: –40 to +85C
Serial interface
: SPI mode 0, mode 3 supported
Sector size
: 4K bytes/small sector, 64K bytes/sector
Small sector erase, sector erase, chip erase functions
Page program function (256 bytes / page)
Block protect function
Data retention period : 20 years
Status functions
: Ready/busy information, protect information
Highly reliable read/write
Number of rewrite times: 100,000 times
Small sector erase time : 40ms (typ.), 150ms (max.)
Sector erase time
: 80ms (typ.), 250ms (max.)
Chip erase time
: 500ms (typ.), 6.0s (max.)
Page program time : 0.3ms/256 bytes (typ.), 0.5ms/256 bytes (max.)
Package
: VSON8T(6.0 5.0) CASE 509AG
Figure 1 Pin Assignments
CS 1
SO/SIO1 2
WP 3
VSS 4
Top view
8 VDD
7 HOLD
6 SCK
5 SI/SIO0
VSON8T(6.0X5.0)
* This product is licensed from Silicon Storage Technology, Inc. (USA).
ORDERING INFORMATION
See detailed ordering and shipping information on page 22 of this data sheet.
Semiconductor Components Industries, LLC, 2013
December, 2013 Ver. 2.0
D1113HK 20130708-S00002 No.A2199-1/22


  ON Semiconductor Electronic Components Datasheet  

LE25U81AQE Datasheet

8M-bit (1024K x 8) Serial Flash Memory

No Preview Available !

Figure 2 Block Diagram
LE25U81AQE
ADDRESS
BUFFERS
&
LATCHES
X-
DECODER
8M Bit
Flash EEPROM
Cell Array
Y-DECODER
CONTROL
LOGIC
I/O BUFFERS
&
DATA LATCHES
SERIAL INTERFACE
CS SCK SI/SIO0 SO/SIO1 WP HOLD
Table 1 Pin Description
Symbol
SCK
Pin Name
Serial clock
SI/SIO0
SO/SIO1
CS
Serial data input
/ Serial data input output
Serial data input
/ Serial data input output
Chip select
WP
HOLD
VDD
VSS
Write protect
Hold
Power supply
Ground
Description
This pin controls the data input/output timing.
The input data and addresses are latched synchronized to the rising edge of the serial clock, and the data is
output synchronized to the falling edge of the serial clock.
The data and addresses are input from this pin, and latched internally synchronized to the rising edge of the
serial clock. It changes into the output pin at Dual Output and it changes into the input output pin at Dual I/O.
The data stored inside the device is output from this pin synchronized to the falling edge of the serial clock.
It changes into the output pin at Dual Output and it changes into the input output pin at Dual I/O.
The device becomes active when the logic level of this pin is low; it is deselected and placed in standby
status when the logic level of the pin is high.
The status register write protect (SRWP) takes effect when the logic level of this pin is low.
Serial communication is suspended when the logic level of this pin is low.
This pin supplies the 2.3 to 2.7V supply voltage.
This pin supplies the 0V supply voltage.
No.A2199-2/22


Part Number LE25U81AQE
Description 8M-bit (1024K x 8) Serial Flash Memory
Maker ON Semiconductor
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