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24LC256T-E/PG

Description
32K X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8
Categorystorage   
File Size363KB,26 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Download Datasheet Parametric View All

24LC256T-E/PG Overview

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

24LC256T-E/PG Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals8
Maximum operating temperature85 Cel
Minimum operating temperature-40 Cel
Maximum supply/operating voltage5.5 V
Minimum supply/operating voltage2.5 V
Rated supply voltage4.5 V
maximum clock frequency0.4000 MHz
Processing package description4.40 MM, PLASTIC, TSSOP-8
Lead-freeYes
EU RoHS regulationsYes
China RoHS regulationsYes
stateACTIVE
CraftsmanshipCMOS
packaging shapeRECTANGULAR
Package SizeSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
surface mountYes
Terminal formGULL WING
Terminal spacing0.6500 mm
terminal coatingMATTE TIN
Terminal locationDUAL
Packaging MaterialsPLASTIC/EPOXY
Temperature levelINDUSTRIAL
memory width8
organize32K X 8
storage density262144 deg
operating modeSYNCHRONOUS
Number of digits32768 words
Number of digits32K
Memory IC typeI2C/2-WIRE SERIAL EEPROM
serial parallelSERIAL
Maximum TWC of write cycle5 ms
24AA256/24LC256/24FC256
256K I
2
C
CMOS Serial EEPROM
Device Selection Table
Part
Number
24AA256
24LC256
24FC256
Note 1:
2:
V
CC
Range
1.8-5.5V
2.5-5.5V
1.8-5.5V
Max. Clock
Frequency
400 kHz
(1)
400 kHz
1 MHz
(2)
Description:
Temp.
Ranges
I
I, E
I
The Microchip Technology Inc. 24AA256/24LC256/
24FC256 (24XX256*) is a 32K x 8 (256 Kbit) Serial
Electrically Erasable PROM, capable of operation
across a broad voltage range (1.8V to 5.5V). It has
been developed for advanced, low-power applications
such as personal communications or data acquisition.
This device also has a page write capability of up to 64
bytes of data. This device is capable of both random
and sequential reads up to the 256K boundary.
Functional address lines allow up to eight devices on
the same bus, for up to 2 Mbit address space. This
device is available in the standard 8-pin plastic DIP,
SOIC, TSSOP, MSOP and DFN packages.
100 kHz for V
CC
< 2.5V.
400 kHz for V
CC
< 2.5V.
Features:
• Low-power CMOS technology:
- Maximum write current 3 mA at 5.5V
- Maximum read current 400
μA
at 5.5V
- Standby current 100 nA, typical at 5.5V
• 2-wire serial interface bus, I
2
C
compatible
• Cascadable for up to eight devices
• Self-timed erase/write cycle
• 64-byte Page Write mode available
• 5 ms max. write cycle time
• Hardware write-protect for entire array
• Output slope control to eliminate ground bounce
• Schmitt Trigger inputs for noise suppression
• 1,000,000 erase/write cycles
• Electrostatic discharge protection > 4000V
• Data retention > 200 years
• 8-pin PDIP, SOIC, TSSOP, MSOP and DFN
packages, 14-lead TSSOP package
• Pb-free finishes available
• Temperature ranges:
- Industrial (I):
-40°C to +85°C
- Automotive (E):
-40°C to +125°C
Block Diagram
A0 A1A2 WP
HV Generator
I/O
Control
Logic
Memory
Control
Logic
XDEC
EEPROM
Array
Page Latches
I/O
SCL
YDEC
SDA
V
CC
V
SS
Sense Amp.
R/W Control
Package Types
PDIP/SOIC
A0
A1
A2
V
SS
1
24XX256
2
3
4
8
7
6
5
V
CC
WP
SCL
SDA
A0
A1
A2
V
SS
TSSOP/MSOP*
1
2
3
4
24XX256
8
7
6
5
V
CC
WP
SCL
SDA
A0
A1
A2
V
SS
1
2
3
4
24XX256
DFN
8 V
CC
7 WP
6 SCL
5 SDA
Note:
* Pins A0 and A1 are no connects for the MSOP package only.
*24XX256 is used in this document as a generic part number for the 24AA256/24LC256/24FC256 devices.
©
2005 Microchip Technology Inc.
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