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AT25320W-10SI

Description
IC EEPROM 32K SPI 3MHZ 8SOIC
Categorystorage   
File Size315KB,21 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Download Datasheet Parametric View All

AT25320W-10SI Overview

IC EEPROM 32K SPI 3MHZ 8SOIC

AT25320W-10SI Parametric

Parameter NameAttribute value
memory typenon-volatile
memory formatEEPROM
technologyEEPROM
storage32Kb (4K x 8)
Clock frequency3MHz
Write cycle time - words, pages5ms
memory interfaceSPI
Voltage - Power4.5 V ~ 5.5 V
Operating temperature-40°C ~ 85°C(TA)
Installation typesurface mount
Package/casing8-SOIC (0.154", 3.90mm wide)
Supplier device packaging8-SOIC
Features
Serial Peripheral Interface (SPI) Compatible
Supports SPI Modes 0 (0,0) and 3 (1,1)
Low-voltage and Standard-voltage Operation
– 2.7 (V
CC
= 2.7V to 5.5V)
– 1.8 (V
CC
= 1.8V to 5.5V)
3.0 MHz Clock Rate (5V)
32-byte Page Mode
Block Write Protection
– Protect 1/4, 1/2, or Entire Array
Write Protect (WP) Pin and Write Disable Instructions for
both Hardware and Software Data Protection
Self-timed Write Cycle (5 ms Typical)
High-reliability
– Endurance: One Million Write Cycles
– Data Retention: 100 Years
Automotive Grade Devices Available
8-lead PDIP, 8-lead JEDEC SOIC and 14-lead TSSOP Packages
Description
The AT25080/160/320/640 provides 8192/16384/32768/65536 bits of serial electri-
cally-e ra sa ble pro gramma ble re ad on ly memo r y ( EEPROM ) or ga nize d a s
1024/2048/4096/8192 words of 8 bits each. The device is optimized for use in many
industrial and commercial applications where low-power and low-voltage operation
are essential. The AT25080/160/320/640 is available in space saving 8-lead PDIP, 8-
lead JEDEC SOIC and 14-lead TSSOP packages.
The AT25080/160/320/640 is enabled through the Chip Select pin (CS) and accessed
via a 3-wire interface consisting of Serial Data Input (SI), Serial Data Output (SO), and
Serial Clock (SCK). All programming cycles are completely self-timed, and no sepa-
rate ERASE cycle is required before WRITE.
SPI Serial
EEPROMs
8K (1024 x 8)
16K (2048 x 8)
32K (4096 x 8)
64K (8192 x 8)
AT25080
AT25160
AT25320
AT25640
Pin Configuration
Pin Name
CS
SCK
SI
SO
GND
VCC
WP
HOLD
NC
DC
Function
Chip Select
Serial Data Clock
Serial Data Input
Serial Data Output
Ground
Power Supply
Write Protect
Suspends Serial Input
No Connect
Don’t Connect
CS
SO
NC
NC
NC
WP
GND
8-lead PDIP
CS
SO
WP
GND
1
2
3
4
8
7
6
5
VCC
HOLD
SCK
SI
8-lead SOIC
CS
SO
WP
GND
1
2
3
4
8
7
6
5
VCC
HOLD
SCK
SI
14-lead TSSOP
1
2
3
4
5
6
7
14
13
12
11
10
9
8
VCC
HOLD
NC
NC
NC
SCK
SI
0675M–SEEPR–9/03
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