24AA32AF,24LC32AF DatatSheet

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  24AA32AF/24LC32AF 32K I2C Serial EEPROM with Quarter-Array Write-Protect


The Microchip Technology Inc. 24AA32AF is a 32 Kbit Electrically Erasable PROM. The device is organized as a single block of 4K x 8-bit memory with a 2-wire serial interface. Low-voltage design permits operation down to 1.7V, with standby and read currents of only 1 μA and 400 μA, respectively. It has been developed for advanced, lowpower applications such as personal communications or data acquisition. The 24AA32AF also has a page write capability for up to 32 bytes of data. Functional address lines allow up to eight devices on the same bus, for up to 256 Kbits address space. The 24AA32AF is available in the standard 8-pin PDIP, surface mount SOIC, TSSOP, TDFN and MSOP packages. The 24AA32AF is also available in the 5-lead SOT-23 package.

参数名称  数值
Density  32K bits (x8)
Max. Clock Freq.  400 kHz
Page Size (bytes)  32
Endurance  1,000,000
Op. Volt Range (V)  1.7 to 5.5
Temp Range (°C)  -40°C to +85°C  

     特性
Single Supply with Operation down to 1.7V
Low-Power CMOS Technology:
- Read current 400 μA, max.
- Standby current 1 μA, max. (I-temp)
2-Wire Serial Interface, I2C™ Compatible
Packages with 3 Address Pins are 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
32-Byte Page Write Buffer
Hardware Write-Protect for 1/4 Array
(C00h-FFFh)
ESD Protection > 4,000V
More than 1 Million Erase/Write Cycles
Data Retention > 200 Years
Factory Programming Available


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