― ns C / D Hold Time CDH ― 10 ― ns CE , RD , WR Pulse Width tCE RD WRt ― 80 ― ns Data Set−up Time tDS ― 80 ― ns Data Hold Time t ― 40 ― ns DH Access Time t ― ― 150 ns ACC Output Hold Time tOH ― 10 50 ns 31 2002-01-07 T6963C ● Switching Characteristics (3) (1) External RAM Read mode (2) External RAM Write
