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24AA044 fiches techniques PDF

Microchip - EEPROM

Numéro de référence 24AA044
Description EEPROM
Fabricant Microchip 
Logo Microchip 





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24AA044 fiche technique
24AA044
4K I2CSerial EEPROM
Device Selection Table
Part
Number
VCC Range
Max Clock
Frequency
24AA044 1.7V-5.5V
1 MHz(1)
Note 1: 400 kHz for 1.8V VCC < 2.2V
100 kHz for VCC < 1.8V
Temp.
Range
I, E
Features:
• Single Supply with Operation from 1.7V to 5.5V
• Low-Power CMOS Technology:
- Read current 400 A, max
- Standby current 1 A, max at 85°C
• 2-Wire Serial Interface, I2C™ Compatible
• Cascadable up to Four Devices
• Schmitt Trigger Inputs for Noise Suppression
• Output Slope Control to Eliminate Ground Bounce
• 1 MHz, 400 kHz, and 100 kHz Clock Compatibility
• Page Write Time 5 ms Maximum
• Self-timed Erase/Write Cycle
• 16-Byte Page Write Buffer
• Hardware Write-Protect
• ESD Protection >4,000V
• More than 1 Million Erase/Write Cycles
• Data Retention >200 Years
• Factory Programming Available
• Packages include 8-lead PDIP, SOIC, TSSOP,
UDFN and MSOP
• RoHS Compliant
• Temperature Ranges:
- Industrial (I): -40°C to +85°C
- Automotive (E): -40°C to +125°C
Description:
The Microchip Technology Inc. 24AA044 is a 4 Kbit
Serial Electrically Erasable PROM with a voltage
range of 1.7V to 5.5V. The device is organized as two
blocks of 256 x 8-bit memory with a 2-wire serial
interface. Low-current design permits operation with
standby and active currents of only 1 A and 400 A,
respectively. The device has a page write capability for
up to 16 bytes of data. Functional address lines allow
the connection of up to four 24AA044 devices on the
same bus for up to 16K bits of contiguous EEPROM
memory. The device is available in the standard 8-pin
PDIP, 8-pin SOIC (3.90 mm), TSSOP, 2x3 UDFN and
MSOP packages.
Package Types
PDIP/SOIC/TSSOP/MSOP
UDFN
NC 1
A1 2
A2 3
VSS 4
8 VCC
NC 1
7 WP
A1 2
A2 3
6 SCL VSS 4
5 SDA
8 VCC
7 WP
6 SCL
5 SDA
Block Diagram
A1 A2
WP
HV Generator
I/O
Control
Logic
Memory
Control
Logic
XDEC
EEPROM
Array
SDA SCL
VCC
VSS
Write-Protect
Circuitry
YDEC
Sense Amp.
R/W Control
2014 Microchip Technology Inc.
DS20005286A-page 1

PagesPages 30
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