【产品】具有多种存储操作模式的低功耗SRAM存储器AS6C62256A

时间： 2016-12-15 来源：世强

技术问答

工业SRAM全球第一供应商美国ALLIANCE Memory公司推出的一款256M（32 K × 8 bit）的低功率静态随机存取存储器（SRAM）——AS6C62256A系列。该系列存储器采用了先进的CMOS工艺，使其具有高靠性以及出色的稳定性。具有读、写、待机和数据保持4种操作模式，其存储阵列是基于6个晶体管单元结构排列的。

AS6C62256A系列存储器的存取速度非常快，平均读取时间仅70 ns；其功耗较低，最大功耗仅为1W。供电电压为5V±10%，操作模式的供电电流最大为70 mA；采用CMOS电平标准的最大待机电流为5 μA（商业级）和10 μA（工业级），采用TTL电平标准的最大待机电流为1 mA。此外该系列存储器还具有自动降低长读取周期功耗的功能。

AS6C62256A系列存储器在工作温度范围上有两种级别的芯片可供选择：0 °C ~70°C（商业级）和-40 °C ~ 85 °C（工业级）。此外该系列存储器具有2种不同的封装形式，分别是PDIP28 （600 mil）和SOP28 （330 mil）。

低功耗SRAM存储器AS6C62256A产品特性：
• 存取时间短：70 ns

• 三态输出

• 低功耗：最大功耗1 W

• 兼容TTL/CMOS电平标准

• 具有抗闩锁功能

• 具有ESD静电释放防护功能（静电大于2000 V），其符合MIL STD 883C M3015.7标准

• 符合QS 9000 质量标准

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