6 2 2 SRAM 2SRAM intel 2114CPU 8

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6. 2. 2 静态存储器SRAM 2、SRAM芯片举例 intel 2114与CPU连接 8

6. 2. 2 静态存储器SRAM 2、SRAM芯片举例 intel 2114与CPU连接 8

位扩展例 n 用 8片2164 A芯片构成 64 KB存储器 DB D 0 D 1 2164 A

位扩展例 n 用 8片2164 A芯片构成 64 KB存储器 DB D 0 D 1 2164 A D 7 2164 A A 0~A 7 AB LS 158 A 0~A 7 A 8~A 15 17

A 15 A 14 地 B 址 A 译 码 Y 3 Y 2

A 15 A 14 地 B 址 A 译 码 Y 3 Y 2 Y 1 Y 0 A 13 … CE A 0 RD WE D 7 CE CE CE 16 K× 8位 P 0 16 K× 8位 P 1 16 K× 8位 P 2 16 K× 8位 P 3 RD WE D 0 上图中各芯片的地址范围： A 15 A 14 　 A 13 A 12 A 11 A 10 A 9 A 8 A 7 A 6 A 5 A 4 A 3 A 2 A 1 A 0 P 0 0 0 P 1 0 1 P 2 1 0 P 3 1 1 0 0 …… 1 1 ０ ０ ０ ０ ０ 1 ０ 1 1 ０ ０ 1 ０ 1 ０ 1 ０ 1 1 1 1 1 0 0 …… 1 1 ０ ０ ０ ０ ０ 1 1 1 ０（0000 H ） …… 1 （3 FFFH） ０（4000 H ） …… 1 （7 FFFH） ０（8000 H ） …… 1 （BFFFH） ０（C 000 H ） …… 1 （FFFFH） 22

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Canary SRAM Built in Self Test for SRAMCanary SRAM Built in Self Test for SRAM
nv SRAM SPI nv SRAM I 2 Cnv SRAM SPI nv SRAM I 2 C
Canary SRAM Built in Self Test for SRAMCanary SRAM Built in Self Test for SRAM
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