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AT24C256-10TU-2.7

Description
32K X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8
Categorystorage    storage   
File Size344KB,23 Pages
ManufacturerAtmel (Microchip)
Environmental Compliance
Download Datasheet Parametric View All

AT24C256-10TU-2.7 Overview

32K X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8

AT24C256-10TU-2.7 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerAtmel (Microchip)
Parts packaging codeTSSOP
package instruction4.40 MM, GREEN, PLASTIC, MO-153AA, TSSOP-8
Contacts8
Reach Compliance Codeunknow
ECCN codeEAR99
Maximum clock frequency (fCLK)1 MHz
Data retention time - minimum40
Durability1000000 Write/Erase Cycles
I2C control byte10100DDR
JESD-30 codeR-PDSO-G8
JESD-609 codee3
length4.4 mm
memory density262144 bi
Memory IC TypeEEPROM
memory width8
Humidity sensitivity level1
Number of functions1
Number of terminals8
word count32768 words
character code32000
Operating modeSYNCHRONOUS
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
organize32KX8
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP8,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Parallel/SerialSERIAL
Peak Reflow Temperature (Celsius)260
power supply3/5 V
Certification statusNot Qualified
Maximum seat height1.2 mm
Serial bus typeI2C
Maximum standby current5e-7 A
Maximum slew rate0.003 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)2.7 V
Nominal supply voltage (Vsup)3 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature40
width3 mm
Maximum write cycle time (tWC)10 ms
write protectHARDWARE
Features
Low-voltage and Standard-voltage Operation
– 2.7 (V
CC
= 2.7V to 5.5V)
– 1.8 (V
CC
= 1.8V to 3.6V)
Internally Organized 16,384 x 8 and 32,768 x 8
Two-wire Serial Interface
Schmitt Trigger, Filtered Inputs for Noise Suppression
Bidirectional Data Transfer Protocol
1 MHz (5V), 400 kHz (2.7V, 2.5V) and 100 kHz (1.8V) Compatibility
Write Protect Pin for Hardware and Software Data Protection
64-byte Page Write Mode (Partial Page Writes Allowed)
Self-timed Write Cycle (5 ms Max)
High Reliability
– Endurance: One Million Write Cycles
– Data Retention: 40 Years
Extended Temperature and Lead-free/Halogen-free
Devices Available
8-lead JEDEC PDIP, 8-lead JEDEC and EIAJ SOIC, 8-lead MAP, 8-lead TSSOP, 8-lead
SAP and 8-ball dBGA2 Packages
Die Sales: Wafer Form, Waffle Pack, and Bumped Wafers
Two-wire Serial
EEPROMs
128K (16,384 x 8)
256K (32,768 x 8)
Description
The AT24C128/256 provides 131,072/262,144 bits of serial electrically erasable and
programmable read only memory (EEPROM) organized as 16,384/32,768 words of 8
bits each. The device’s cascadable feature allows up to 4 devices to share a common
Two-wire bus. The device is optimized for use in many industrial and commercial appli-
cations where low power and low voltage operation are essential. The devices are
available in space-saving 8-lead JEDEC PDIP, 8-lead JEDEC SOIC, 8-lead EIAJ
SOIC, 8-lead MAP (24C128), 8-lead TSSOP, 8-lead SOIC Array Package and 8-ball
dBGA2 packages. In addition, the entire family is available in 2.7V (2.7V to 5.5V) and
1.8V (1.8V to 3.6V) versions.
Table 1.
Pin Configuration
Pin Name
Function
AT24C128
(1)
AT24C256
(2)
Notes:
1. Not recommended for
new design; please
refer to AT24C128B
datasheet.
2. Not recommended for
new design; please
refer to AT24C256B
datasheet.
8-lead PDIP
A0
A1
NC
GND
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
8-lead TSSOP
A0
A1
NC
GND
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
A0 - A1
SDA
SCL
WP
NC
GND
Address Inputs
Serial Data
Serial Clock Input
Write Protect
No Connect
Ground
8-lead SOIC
A0
A1
NC
GND
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
8-lead MAP
VCC
WP
SCL
SDA
8
7
6
5
1
2
3
4
A0
A1
NC
GND
Bottom View
8-ball dBGA2
VCC
WP
SCL
SDA
8
7
6
5
1
2
3
4
8-lead SAP
VCC
WP
SCL
SDA
8
7
6
5
1
2
3
4
A0
A1
NC
GND
A0
A1
NC
GND
Bottom View
Bottom View
0670T–SEEPR–3/07
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