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Description 25AA256/25LC256 SPI Microchip's 25AA256/25LC256 series devices are 256K bit SPI serial EEPROMs, available in various packaging, temperature, and power models. Use Serial Peripheral Interface (SPI) to provide the required clock input (SCK), data (SI), and data output (SO) signals. The operation of these devices can be paused by holding the pin (HOLD), resulting in input being ignored, except for higher priority interrupts defined by chip selection (CS). ###Features: Maximum clock frequency of 10 MHz, maximum write current of 5 mA, read current of 6 mA (typical), standby current of 1 μ A (typical), 32768 x 8-bit structure, 64 byte page, self timed erase and write cycle, 5ms (maximum), block write protection: protects zero, 1/4, 1/2 or all arrays. Write protection: power on/off, data protection circuit, write enable latch, write protection pin sequence. Read tolerance:>1M erase/write cycle. Data retention:>200 years. ESD protection:>4000V. EEPROM serial access - Microchip
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Packaging SOIC-8
Delivery time
Packaging method Tube
Standard packaging quantity 1
4.35  yuan 4.35yuan
5+:
$ 5.8671
25+:
$ 5.4325
50+:
$ 5.1283
100+:
$ 4.9979
500+:
$ 4.9110
2500+:
$ 4.8023
5000+:
$ 4.7589
10000+:
$ 4.6937
Quantity
5+
25+
50+
100+
500+
Price
$5.8671
$5.4325
$5.1283
$4.9979
$4.9110
Price $ 5.8671 $ 5.4325 $ 5.1283 $ 4.9979 $ 4.9110
Start batch production 5+ 25+ 50+ 100+ 500+
  • Freight charges   In stock Freight rate:$13.00
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    Inventory(6420) Minimum order quantity(5)
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Technical parameters/frequency: 10 MHz

Technical parameters/power supply voltage (DC): 5.00 V, 5.50 V (max)

Technical parameters/power supply current: 6 mA

Technical parameters/clock frequency: 10 MHz

Technical parameters/access time: 50 ns

Technical parameters/memory capacity: 32000 B

Technical parameters/access time (Max): 50 ns

Technical parameters/operating temperature (Max): 125 ℃

Technical parameters/operating temperature (Min): -40 ℃

Technical parameters/power supply voltage: 2.5V ~ 5.5V

Technical parameters/power supply voltage (Max): 5.5 V

Technical parameters/power supply voltage (Min): 2.5 V

Encapsulation parameters/installation method: Surface Mount

Package parameters/number of pins: 8

Encapsulation parameters/Encapsulation: SOIC-8

External dimensions/length: 4.9 mm

External dimensions/width: 3.9 mm

External dimensions/height: 1.5 mm

External dimensions/packaging: SOIC-8

Physical parameters/operating temperature: -40℃ ~ 125℃

Other/Product Lifecycle: Active

Other/Packaging Methods: Tube

Compliant with standards/RoHS standards: RoHS Compliant

Compliant with standards/lead standards: Lead Free

Compliant with standard/REACH SVHC version: 2015/12/17

Customs information/ECCN code: EAR99

Customs information/HTS code: 8542320051

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Alternative material

Model Brand Similarity Encapsulation Introduction Data manual
25LC256-I/SN 25LC256-I/SN Microchip 类似代替 SOIC-8
25AA256/25LC256 SPI 串行 EEPROM Microchip 的 25AA256/25LC256 系列设备为 256K 位 SPI 串行 EEPROM,提供各种封装、温度和电源型号。 使用串行外设接口 (SPI) 提供所需的时钟输入 (SCK)、数据 (SI) 和数据输出 (SO) 信号。 这些设备的操作可通过“保持”引脚 (HOLD) 暂停,从而导致输入被忽略,通过芯片选择 (CS) 定义的更高优先级中断除外。 ### 特点 最大时钟 10 MHz 最大写入电流 5 mA 读取电流:6 mA(典型) 待机电流:1 μA(典型) 32,768 x 8 位组织 64 字节页面 自定时擦除和写入周期,5ms(最大) 块写入保护:保护零个、1/4 个、1/2 个或所有阵列 内置写保护:电源开/关数据保护电路、写入启用闩锁、写保护引脚 顺序读取 耐受性:>1M 擦除/写入周期 数据保留:>200 年 ESD 保护:>4000V ### EEPROM 串行存取 - Microchip
PDF
25LC256-I/ST 25LC256-I/ST Micrel 类似代替 TSSOP-8
25LC256 系列 256 Kb (32 K x 8) 5.5 V 表面贴装 SPI 总线 串行 EEPROM - TSSOP-8
PDF
25LC256-I/ST 25LC256-I/ST Microchip 类似代替 TSSOP-8
25LC256 系列 256 Kb (32 K x 8) 5.5 V 表面贴装 SPI 总线 串行 EEPROM - TSSOP-8
PDF

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