AT25128W-10SC-2.7 datasheet, PDF

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AT25128W-10SC-2.7: Description32K X 8 SPI BUS SERIAL EEPROM, CDSO8; Categorystorage storage; File Size161KB，17 Pages; ManufacturerAtmel (Microchip)

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AT25128W-10SC-2.7 Overview

32K X 8 SPI BUS SERIAL EEPROM, CDSO8

AT25128W-10SC-2.7 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Atmel (Microchip)
Parts packaging code	SOIC
package instruction	SOP, SOP8,.3
Contacts	8
Reach Compliance Code	compli
ECCN code	EAR99
Other features	HARDWARE & SOFTWARE DATA PROTECTION; DATA RETENTION > 200 YEARS; 100K ENDURANCE WRITE CYCLES
Maximum clock frequency (fCLK)	2.1 MHz
Data retention time - minimum	200
Durability	100000 Write/Erase Cycles
JESD-30 code	R-PDSO-G8
JESD-609 code	e0
length	5.31 mm
memory density	131072 bi
Memory IC Type	EEPROM
memory width	8
Humidity sensitivity level	1
Number of functions	1
Number of terminals	8
word count	16384 words
character code	16000
Operating mode	SYNCHRONOUS
Maximum operating temperature	70 °C
Minimum operating temperature
organize	16KX8
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP8,.3
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Parallel/Serial	SERIAL
Peak Reflow Temperature (Celsius)	240
power supply	3/5 V
Certification status	Not Qualified
Maximum seat height	2.03 mm
Serial bus type	SPI
Maximum standby current	0.000002 A
Maximum slew rate	0.005 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	2.7 V
Nominal supply voltage (Vsup)	3.3 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	5.27 mm
Maximum write cycle time (tWC)	10 ms
write protect	HARDWARE/SOFTWARE

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Features

•

Serial Peripheral Interface (SPI) Compatible

•

Supports SPI Modes 0 (0,0) and 3 (1,1)

•

Low Voltage and Standard Voltage Operation

– 5.0 (V

= 4.5V to 5.5V)

– 2.7 (V

= 2.7V to 5.5V)

– 1.8 (V

= 1.8V to 3.6V)

3 MHz Clock Rate

64-Byte Page Mode and Byte Write Operation

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: 100,000 Write Cycles

– Data Retention: >200 Years

– ESD Protection: >4000V

Automotive Grade and Extended Temperature Devices Available

8-Pin PDIP, 8-Pin EIAJ SOIC, 8-Pin and 16-Pin JEDEC SOIC, 14-Pin and 20-Pin TSSOP,

and 8-Pin Leadless Array Packages

•

SPI Serial

EEPROMs

128K (16,384 x 8)

256K (32,768 x 8)

•

Description

The AT25128/256 provides 131,072/262,144 bits of serial electrically erasable pro-

grammable read only memory (EEPROM) organized as 16,384/32,768 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 devices are available in

(continued)

Pin Configurations

Pin Name

SCK

GND

VCC

HOLD

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

GND

AT25128

AT25256

14-Lead TSSOP

VCC

HOLD

SCK

20-Lead TSSOP*

16-Pin SOIC

VCC

HOLD

SCK

GND

VCC

HOLD

SCK

8-Pin PDIP

GND

VCC

HOLD

SCK

GND

8-Pin SOIC

VCC

HOLD

SCK

8-Pin Leadless Array

VCC

HOLD

SCK

GND

Rev. 0872E–08/98

Bottom View

*Note: Pins 3, 4 and 17, 18 are internally connected for 14-lead TSSOP socket compatibility.

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