Microchip Technology, Inc. Memory 25AA040X-I/ST

Description
EEPROM Memory IC 4Kb (512 x 8) SPI 1MHz 8-TSSOP
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Description
EEPROM Memory IC 4Kb (512 x 8) SPI 1MHz 8-TSSOP
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Datasheet
Datasheet Summary
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The Microchip 25AA040 is a 4 Kbit serial EEPROM designed for low-power applications, operating within a temperature range of -40¬8C to +85¬8C. It utilizes a Serial Peripheral Interface (SPI) for communication, requiring a clock input and separate data lines for input and output. The device features a memory organization of 512 x 8 bits and supports a maximum clock frequency of 1 MHz. Key specifications include a write current of 3 mA, a read current of 500 OºA, and a standby current of 500 nA. The write cycle time is a maximum of 5 ms, with an endurance of 1 million write/erase cycles and data retention exceeding 200 years. The device also includes built-in write protection features and is available in 8-pin PDIP, SOIC, and TSSOP packages. This EEPROM is suitable for applications requiring reliable data storage in industrial environments, but it is noted that it is not recommended for new designs, with alternatives suggested.

Datasheet Summary
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The Microchip 25AA040 is a 4 Kbit serial EEPROM designed for low-power applications, operating within a temperature range of -40¬8C to +85¬8C. It utilizes a Serial Peripheral Interface (SPI) for communication, requiring a clock input and separate data lines for input and output. The device features a memory organization of 512 x 8 bits and supports a maximum clock frequency of 1 MHz. Key specifications include a write current of 3 mA, a read current of 500 OºA, and a standby current of 500 nA. The write cycle time is a maximum of 5 ms, with an endurance of 1 million write/erase cycles and data retention exceeding 200 years. The device also includes built-in write protection features and is available in 8-pin PDIP, SOIC, and TSSOP packages. This EEPROM is suitable for applications requiring reliable data storage in industrial environments, but it is noted that it is not recommended for new designs, with alternatives suggested.

Suppliers

Company
Product
Description
Supplier Links
Memory - 25AA040X-I/ST-ND - DigiKey
Thief River Falls, MN, United States
EEPROM Memory IC 4Kb (512 x 8) SPI 1MHz 8-TSSOP

EEPROM Memory IC 4Kb (512 x 8) SPI 1MHz 8-TSSOP

Buy Now Datasheet
Memory - 25AA040X-I/ST - Quarktwin Technology Ltd.
Shenzhen, Guangdong, China
EEPROM Memory IC 4Kbit SPI 1 MHz 8-TSSOP

EEPROM Memory IC 4Kbit SPI 1 MHz 8-TSSOP

Buy Now Datasheet
Integrated Circuits (ICs) - Memory - Memory - 25AA040X-I/ST - Shenzhen Shengyu Electronics Technology Limited
Futian, China
Integrated Circuits (ICs) - Memory - Memory
25AA040X-I/ST
Integrated Circuits (ICs) - Memory - Memory 25AA040X-I/ST
IC EEPROM 4KBIT SPI 1MHZ 8TSSOP

IC EEPROM 4KBIT SPI 1MHZ 8TSSOP

Supplier's Site
Eeprom, 4Kbit, -40 To 85Deg C; Memory Size Microchip - 92C7341 - Newark, An Avnet Company
Chicago, IL, United States
Eeprom, 4Kbit, -40 To 85Deg C; Memory Size Microchip
92C7341
Eeprom, 4Kbit, -40 To 85Deg C; Memory Size Microchip 92C7341
EEPROM, 4KBIT, -40 TO 85DEG C; Memory Size:4Kbit; EEPROM Memory Configuration:512 x 8bit; Memory Interface Type:Serial SPI; Clock Frequency:1MHz; Memory Case Style:TSSOP; No. of Pins:8Pins; Supply Voltage Min:1.8V RoHS Compliant: Yes

EEPROM, 4KBIT, -40 TO 85DEG C; Memory Size:4Kbit; EEPROM Memory Configuration:512 x 8bit; Memory Interface Type:Serial SPI; Clock Frequency:1MHz; Memory Case Style:TSSOP; No. of Pins:8Pins; Supply Voltage Min:1.8V RoHS Compliant: Yes

Supplier's Site Datasheet
IC EEPROM 4KBIT SPI 1MHZ 8TSSOP

IC EEPROM 4KBIT SPI 1MHZ 8TSSOP

Supplier's Site Datasheet

Technical Specifications

  DigiKey Quarktwin Technology Ltd. Shenzhen Shengyu Electronics Technology Limited Newark, An Avnet Company Lingto Electronic Limited
Product Category Memory Chips Memory Chips Memory Chips Memory Chips Memory Chips
Product Number 25AA040X-I/ST-ND 25AA040X-I/ST 25AA040X-I/ST 92C7341 25AA040X-I/ST
Product Name Memory Memory Integrated Circuits (ICs) - Memory - Memory Eeprom, 4Kbit, -40 To 85Deg C; Memory Size Microchip Memory
Memory Category EEPROM EEPROM; EEPROM EEPROM; Non-Volatile EEPROM EEPROM; EEPROM
Operating Temperature -40 to 85 C (-40 to 185 F) -40 to 85 C (-40 to 185 F)
Package Type TSSOP; "8-TSSOP (0.173"", 4.40mm Width)" SSOP; TSSOP; 8-TSSOP (0.173\", 4.40mm Width) SSOP; TSSOP TSSOP
Supply Voltage 1.8V ~ 5.5V 1.8V ~ 5.5V -40degC ~ 85degC (TA)
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