k4s561632h sdram 内存芯片用户手册 -澳门皇冠贵宾会网址

k4s561632h sdram芯片

使用该芯片的有：

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myd-lpc4350 工控板/开发板

myd-lpc1857 工控板/开发板

myd-lpc1850 工控板/开发板

jedec standard 3.3v power supply
• lvttl compatible with multiplexed address
• four banks operation
• mrs cycle with address key programs
-. cas latency (2 & 3)
-. burst length (1, 2, 4, 8 & full page)
-. burst type (sequential & interleave)
• all inputs are sampled at the positive going edge of the system clock.
• burst read single-bit write operation
• dqm (x4,x8) & l(u)dqm (x16) for masking
• auto & self refresh
• 64ms refresh period (8k cycle)
• pb/pb-free package
• rohs compliant for pb-free package