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24AA515/24LC515/24FC515
512K I 2 C ? CMOS Serial EEPROM
Device Selection Table
Reads may be sequential within address boundaries
Part
Number
24AA515
24LC515
V CC
Range
1.8-5.5V
2.5-5.5V
Max. Clock
Frequency
400 kHz ?
400 kHz
Temp.
Ranges
I
I
0000h to 7FFFh and 8000h to FFFFh. Functional
address lines allow up to four devices on the same data
bus. This allows for up to 2 Mbits total system
EEPROM memory. This device is available in the
standard 8-pin plastic DIP and SOIJ packages.
100 kHz for V CC < 2.5V.
?
24FC515 2.5-5.5V
1 MHz
I
Package Type
PDIP
Features:
? Single Supply with Operation Down to 1.7V for
24AAXX Devices, 2.5V for 24LCXX Devices
A0
A1
A2
1
2
3
8
7
6
V CC
WP
SCL
? Low-Power CMOS Technology:
- Active current 500 uA, typical
V SS
4
5
SDA
- Standby current 100 nA, typical
? 2-Wire Serial Interface, I 2 C? Compatible
? Cascadable up to Four Devices
SOIJ
? 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
A0
A1
A2
V SS
1
2
3
4
8
7
6
5
V CC
WP
SCL
SDA
? 64-Byte Page Write Buffer
? Hardware Write Protect
? ESD Protection >4000V
? More than 1 Million Erase/Write Cycles
Block Diagram
? Data Retention >200 years
? Factory Programming Available
A0A1
WP
HV Generator
? Packages Include 8-lead PDIP, SOIJ
? Pb-Free and RoHS Compliant
? Temperature Ranges:
- Industrial (I): -40 ° C to +85 ° C
- Automotive (E):-40 ° C to +125 ° C
Description:
I/O
Control
Logic
I/O
SCL
Memory
Control
Logic
XDEC
EEPROM
Array
Page Latches
YDEC
The Microchip Technology Inc. 24AA515/24LC515/
24FC515 (24XX515*) is a 64K x 8 (512K bit) Serial
Electrically Erasable PROM, capable of operation
SDA
V CC
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 has both byte write and page write capabil-
ity of up to 64 bytes of data. This device is capable of
V SS
Sense AMP
R/W Control
both random and sequential reads.
? 2008 Microchip Technology Inc.
*24XX515 is used in this document as a generic part number
for the 24AA515/24LC515/24FC515 devices.
DS21673G-page 1
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