12 CEOUT Output. CEOUT goes low only when CEIN is low and VCC is above the reset threshold. If CEIN is low when
reset is asserted, CEOUT will remain low for 15 ms or until CEIN goes high, whichever occurs first.
（12）RAM芯片使能输出。在有效期间，保持高电平，以禁止对RAM的选通；无效期间,复制，保证对RAM的正常读写；
|
楼主
