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24FC256 Datasheet

  • 24FC256

  • 24AA256/LC256/FC256 Datasheet

  • 432.72KB

  • 28頁

  • ETC

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24AA256/24LC256/24FC256
256K I
2
C
鈩?/div>
CMOS Serial EEPROM
Device Selection Table
Part
Number
24AA256
24LC256
24FC256
Note 1:
V
CC
Range
1.8-5.5V
2.5-5.5V
2.5-5.5V
Max. Clock
Frequency
400 kHz
(1)
400 kHz
1 MHz
Temp.
Ranges
I
I, E
I
Description
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, DFN and 14-lead TSSOP
packages.
100 kHz for V
CC
< 2.5V.
Features
鈥?Low-power CMOS technology
- Maximum write current 3 mA at 5.5V
- Maximum read current 400
碌A(chǔ)
at 5.5V
- Standby current 100 nA typical at 5.5V
鈥?2-wire serial interface bus, I
2
C
鈩?/div>
compatible
鈥?Cascadable for up to eight devices
鈥?Self-timed ERASE/WRITE cycle
鈥?64-byte Page Write mode available
鈥?5 ms max write cycle time
鈥?Hardware write-protect for entire array
鈥?Output slope control to eliminate ground bounce
鈥?Schmitt Trigger inputs for noise suppression
鈥?1,000,000 erase/write cycles
鈥?Electrostatic discharge protection > 4000V
鈥?Data retention > 200 years
鈥?8-pin PDIP, SOIC, TSSOP, MSOP and DFN
packages
鈥?14-lead TSSOP package
鈥?Standard and Pb-free finishes available
鈥?Temperature ranges:
- Industrial (I):
-40擄C to +85擄C
- Automotive (E):
-40擄C to +125擄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
2
3
4
8
7
6
5
V
CC
WP
SCL
SDA
A0
A1
A2
V
SS
TSSOP/MSOP *
1
2
3
4
8
7
6
5
V
CC
WP
SCL
SDA
A0
A1
NC
NC
NC
A2
V
SS
1
2
3
4
5
6
7
TSSOP
14
13
12
11
10
9
8
V
CC
WP
NC
NC
NC
SCL
SDA
A0
A1
A2
V
SS
1
2
3
4
DFN
8 V
CC
7 WP
6 SCL
5 SDA
*24XX256 is used in this document as a generic part number for the 24AA256/24LC256/24FC256 devices.
錚?/div>
2003 Microchip Technology Inc.
24XX256
NOTE:
Pins A0 and A1 are no connects for the MSOP package only.
24XX256
24XX256
DS21203L-page 1
24XX256

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