24LC256-I/S15K Microchip Technology Inc., 24LC256-I/S15K Datasheet

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24LC256-I/S15K

Manufacturer Part Number
24LC256-I/S15K
Description
DICE 0/256K, 32K X 8, 2.5V SER EE DIE IN WAFFLE PK
Manufacturer
Microchip Technology Inc.
Datasheet

Specifications of 24LC256-I/S15K

Pack_quantity
1
Comm_code
85423275
Lead_time
21
Eccn
EAR99
256K I
Device Selection Table
Part
V
Max. Clock
CC
Number
Range
Frequency
24AA256
1.7-5.5V
400 kHz
24LC256
2.5-5.5V
400 kHz
(2)
24FC256
1.7-5.5V
1 MHz
Note 1:
100 kHz for V
< 2.5V.
CC
2:
400 kHz for V
< 2.5V.
CC
Features:
• Single Supply with Operation down to 1.7V for
24AA256 and 24FC256 Devices, 2.5V for
24LC256 Devices
• Low-Power CMOS Technology:
- Active current 400 uA, typical
- Standby current 100 nA, typical
2
• 2-Wire Serial Interface, I
C
Compatible
• Cascadable up to Eight Devices
• Schmitt Trigger Inputs for Noise Suppression
• Output Slope Control to Eliminate Ground Bounce
• 100 kHz and 400 kHz Clock Compatibility
• Page Write Time 5 ms max.
• Self-Timed Erase/Write Cycle
• 64-Byte Page Write Buffer
• Hardware Write-Protect
• ESD Protection >4000V
• More than 1 Million Erase/Write Cycles
• Data Retention >200 years
• Factory Programming Available
• Packages Include 8-lead PDIP, SOIC, DFN,
TSSOP and MSOP
• Pb-Free and RoHS Compliant
Package Types
PDIP/SOIC
A0
1
8
V
CC
A1
2
7
WP
A2
3
6
SCL
V
4
5
SDA
SS
V
Note 1: * Pins A0 and A1 are no connects for the MSOP package only.
Note 2: Available in I-temp, “AA” only.
*24XX256 is used in this document as a generic part number for the 24AA256/24LC256/24FC256 devices.
 1998-2011 Microchip Technology Inc.
24AA256/24LC256/24FC256
2
C
CMOS Serial EEPROM
• Temperature Ranges:
- Industrial (I):
Temp.
- Automotive (E):
Ranges
Description:
(1)
I
I, E
The Microchip Technology Inc. 24AA256/24LC256/
24FC256 (24XX256*) is a 32K x 8 (256 Kbit) Serial
I
Electrically Erasable PROM, capable of operation
across a broad voltage range (1.7V 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. The
24AA256 is also available in the 8-lead Chip Scale
package.
Block Diagram
I/O
Control
Logic
I/O
SCL
SDA
V
CC
V
SS
(1)
TSSOP/MSOP
1
A0
1
8
A0
V
CC
2
A1
2
7
A1
WP
3
A2
3
6
A2
SCL
4
V
SS
4
5
SDA
SS
-40C to +85C
-40C to +125C
A0 A1A2
WP
HV Generator
Memory
EEPROM
Control
XDEC
Array
Logic
Page Latches
YDEC
Sense Amp.
R/W Control
DFN
(2)
CS (Chip Scale)
V
A1 A0
CC
8
V
CC
1
2
3
7
WP
4
5
WP
A2
6
SCL
8
6
7
5
SDA SCL V
SDA
SS
(TOP DOWN VIEW,
BALLS NOT VISIBLE)
DS21203R-page 1

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