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Features:

Page Write Mode

Power On/Off Data Protection Circuitry

Sequential Read Function

HOLD Pin

Software Enabled Block Write Protection

Hardware Write-Protect Pin

Supports SPI Modes 0,3

Brand/Series	25AA256 Series
Capacitance, Input	7 pF
Capacitance, Output	7 pF
Current, Input, Leakage	±1 μA
Current, Operating	2.5 mA (Read), 0.6 mA (Write)
Current, Output, Leakage	±1 μA
Data Retention	<special id="6"/>special id="80"/>200
Density	256K
Dimensions	4.92 x 5.74 x 0.95 mm
Height	0.037" (0.95mm)
Interface	SPI Bus
Length	0.193" (4.92mm)
Memory Capacity	256 kbit
Memory Type	Serial EEPROM
Mounting Type	Surface Mount
Number of Bits per Word	8 bit
Number of Pins	8
Operating Voltage Range	1.8 to 5.5 V
Organization	32768 x 8
Package Type	DFN-S
Supply Voltage	1.8 to 5.5 V
Temperature, Operating	-40 to +85 °C
Temperature, Operating, Maximum	+85 °C
Temperature, Operating, Minimum	-40 °C
Temperature, Operating, Range	-40 to +85 °C
Time, Access	50 ns
Time, Address Hold	250 ns
Time, Address Setup	150 ns
Time, Fall	100 ns
Time, Rise	100 ns
Voltage, ESD	>4 kV
Voltage, Input, High Level	2.8 V
Voltage, Input, Low Level	0.36 V
Voltage, Output, High Level	1.3 V
Voltage, Programmable	1.8 V
Width	0.226" (5.74mm)
关键词

Brand/Series 25AA256 Series  Microchip Technology Inc. Brand/Series 25AA256 Series  EEPROM Memory Chips Brand/Series 25AA256 Series  Microchip Technology Inc. EEPROM Memory Chips Brand/Series 25AA256 Series   Capacitance, Input 7 pF  Microchip Technology Inc. Capacitance, Input 7 pF  EEPROM Memory Chips Capacitance, Input 7 pF  Microchip Technology Inc. EEPROM Memory Chips Capacitance, Input 7 pF   Capacitance, Output 7 pF  Microchip Technology Inc. Capacitance, Output 7 pF  EEPROM Memory Chips Capacitance, Output 7 pF  Microchip Technology Inc. EEPROM Memory Chips Capacitance, Output 7 pF   Current, Input, Leakage ±1 μA  Microchip Technology Inc. Current, Input, Leakage ±1 μA  EEPROM Memory Chips Current, Input, Leakage ±1 μA  Microchip Technology Inc. EEPROM Memory Chips Current, Input, Leakage ±1 μA   Current, Operating 2.5 mA (Read), 0.6 mA (Write)  Microchip Technology Inc. Current, Operating 2.5 mA (Read), 0.6 mA (Write)  EEPROM Memory Chips Current, Operating 2.5 mA (Read), 0.6 mA (Write)  Microchip Technology Inc. EEPROM Memory Chips Current, Operating 2.5 mA (Read), 0.6 mA (Write)   Current, Output, Leakage ±1 μA  Microchip Technology Inc. Current, Output, Leakage ±1 μA  EEPROM Memory Chips Current, Output, Leakage ±1 μA  Microchip Technology Inc. EEPROM Memory Chips Current, Output, Leakage ±1 μA   Data Retention <special id="6"/>special id="80"/>200  Microchip Technology Inc. Data Retention <special id="6"/>special id="80"/>200  EEPROM Memory Chips Data Retention <special id="6"/>special id="80"/>200  Microchip Technology Inc. EEPROM Memory Chips Data Retention <special id="6"/>special id="80"/>200   Density 256K  Microchip Technology Inc. Density 256K  EEPROM Memory Chips Density 256K  Microchip Technology Inc. EEPROM Memory Chips Density 256K   Dimensions 4.92 x 5.74 x 0.95 mm  Microchip Technology Inc. Dimensions 4.92 x 5.74 x 0.95 mm  EEPROM Memory Chips Dimensions 4.92 x 5.74 x 0.95 mm  Microchip Technology Inc. EEPROM Memory Chips Dimensions 4.92 x 5.74 x 0.95 mm   Height 0.037" (0.95mm)  Microchip Technology Inc. Height 0.037" (0.95mm)  EEPROM Memory Chips Height 0.037" (0.95mm)  Microchip Technology Inc. EEPROM Memory Chips Height 0.037" (0.95mm)   Interface SPI Bus  Microchip Technology Inc. Interface SPI Bus  EEPROM Memory Chips Interface SPI Bus  Microchip Technology Inc. EEPROM Memory Chips Interface SPI Bus   Length 0.193" (4.92mm)  Microchip Technology Inc. Length 0.193" (4.92mm)  EEPROM Memory Chips Length 0.193" (4.92mm)  Microchip Technology Inc. EEPROM Memory Chips Length 0.193" (4.92mm)   Memory Capacity 256 kbit  Microchip Technology Inc. Memory Capacity 256 kbit  EEPROM Memory Chips Memory Capacity 256 kbit  Microchip Technology Inc. EEPROM Memory Chips Memory Capacity 256 kbit   Memory Type Serial EEPROM  Microchip Technology Inc. Memory Type Serial EEPROM  EEPROM Memory Chips Memory Type Serial EEPROM  Microchip Technology Inc. EEPROM Memory Chips Memory Type Serial EEPROM   Mounting Type Surface Mount  Microchip Technology Inc. Mounting Type Surface Mount  EEPROM Memory Chips Mounting Type Surface Mount  Microchip Technology Inc. EEPROM Memory Chips Mounting Type Surface Mount   Number of Bits per Word 8 bit  Microchip Technology Inc. Number of Bits per Word 8 bit  EEPROM Memory Chips Number of Bits per Word 8 bit  Microchip Technology Inc. EEPROM Memory Chips Number of Bits per Word 8 bit   Number of Pins 8  Microchip Technology Inc. Number of Pins 8  EEPROM Memory Chips Number of Pins 8  Microchip Technology Inc. EEPROM Memory Chips Number of Pins 8   Operating Voltage Range 1.8 to 5.5 V  Microchip Technology Inc. Operating Voltage Range 1.8 to 5.5 V  EEPROM Memory Chips Operating Voltage Range 1.8 to 5.5 V  Microchip Technology Inc. EEPROM Memory Chips Operating Voltage Range 1.8 to 5.5 V   Organization 32768 x 8  Microchip Technology Inc. Organization 32768 x 8  EEPROM Memory Chips Organization 32768 x 8  Microchip Technology Inc. EEPROM Memory Chips Organization 32768 x 8   Package Type DFN-S  Microchip Technology Inc. Package Type DFN-S  EEPROM Memory Chips Package Type DFN-S  Microchip Technology Inc. EEPROM Memory Chips Package Type DFN-S   Supply Voltage 1.8 to 5.5 V  Microchip Technology Inc. Supply Voltage 1.8 to 5.5 V  EEPROM Memory Chips Supply Voltage 1.8 to 5.5 V  Microchip Technology Inc. EEPROM Memory Chips Supply Voltage 1.8 to 5.5 V   Temperature, Operating -40 to +85 °C  Microchip Technology Inc. Temperature, Operating -40 to +85 °C  EEPROM Memory Chips Temperature, Operating -40 to +85 °C  Microchip Technology Inc. EEPROM Memory Chips Temperature, Operating -40 to +85 °C   Temperature, Operating, Maximum +85 °C  Microchip Technology Inc. Temperature, Operating, Maximum +85 °C  EEPROM Memory Chips Temperature, Operating, Maximum +85 °C  Microchip Technology Inc. EEPROM Memory Chips Temperature, Operating, Maximum +85 °C   Temperature, Operating, Minimum -40 °C  Microchip Technology Inc. Temperature, Operating, Minimum -40 °C  EEPROM Memory Chips Temperature, Operating, Minimum -40 °C  Microchip Technology Inc. EEPROM Memory Chips Temperature, Operating, Minimum -40 °C   Temperature, Operating, Range -40 to +85 °C  Microchip Technology Inc. Temperature, Operating, Range -40 to +85 °C  EEPROM Memory Chips Temperature, Operating, Range -40 to +85 °C  Microchip Technology Inc. EEPROM Memory Chips Temperature, Operating, Range -40 to +85 °C   Time, Access 50 ns  Microchip Technology Inc. Time, Access 50 ns  EEPROM Memory Chips Time, Access 50 ns  Microchip Technology Inc. EEPROM Memory Chips Time, Access 50 ns   Time, Address Hold 250 ns  Microchip Technology Inc. Time, Address Hold 250 ns  EEPROM Memory Chips Time, Address Hold 250 ns  Microchip Technology Inc. EEPROM Memory Chips Time, Address Hold 250 ns   Time, Address Setup 150 ns  Microchip Technology Inc. Time, Address Setup 150 ns  EEPROM Memory Chips Time, Address Setup 150 ns  Microchip Technology Inc. EEPROM Memory Chips Time, Address Setup 150 ns   Time, Fall 100 ns  Microchip Technology Inc. Time, Fall 100 ns  EEPROM Memory Chips Time, Fall 100 ns  Microchip Technology Inc. EEPROM Memory Chips Time, Fall 100 ns   Time, Rise 100 ns  Microchip Technology Inc. Time, Rise 100 ns  EEPROM Memory Chips Time, Rise 100 ns  Microchip Technology Inc. EEPROM Memory Chips Time, Rise 100 ns   Voltage, ESD >4 kV  Microchip Technology Inc. Voltage, ESD >4 kV  EEPROM Memory Chips Voltage, ESD >4 kV  Microchip Technology Inc. EEPROM Memory Chips Voltage, ESD >4 kV   Voltage, Input, High Level 2.8 V  Microchip Technology Inc. Voltage, Input, High Level 2.8 V  EEPROM Memory Chips Voltage, Input, High Level 2.8 V  Microchip Technology Inc. EEPROM Memory Chips Voltage, Input, High Level 2.8 V   Voltage, Input, Low Level 0.36 V  Microchip Technology Inc. Voltage, Input, Low Level 0.36 V  EEPROM Memory Chips Voltage, Input, Low Level 0.36 V  Microchip Technology Inc. EEPROM Memory Chips Voltage, Input, Low Level 0.36 V   Voltage, Output, High Level 1.3 V  Microchip Technology Inc. Voltage, Output, High Level 1.3 V  EEPROM Memory Chips Voltage, Output, High Level 1.3 V  Microchip Technology Inc. EEPROM Memory Chips Voltage, Output, High Level 1.3 V   Voltage, Programmable 1.8 V  Microchip Technology Inc. Voltage, Programmable 1.8 V  EEPROM Memory Chips Voltage, Programmable 1.8 V  Microchip Technology Inc. EEPROM Memory Chips Voltage, Programmable 1.8 V   Width 0.226" (5.74mm)  Microchip Technology Inc. Width 0.226" (5.74mm)  EEPROM Memory Chips Width 0.226" (5.74mm)  Microchip Technology Inc. EEPROM Memory Chips Width 0.226" (5.74mm)