International Processor Hardware Reference

TIMING
Memory Timing
486 Hardware Reference NS9215
SDRAM burst
read (16 bit), CAS
latency = 3
Notes:
1 This is the bank and RAS address.
2 This is the CAS address.
pre act read lat lat d-A d-B d-C d-D d-E d-F d-G d-H
M9
M8
M7
M6
M5
M11
M4
M2
M1
N ote -1 Note -2
clk_out
data<3 1:16>
addr
data _m ask< 3:0>
dy_cs_ n<3:0>*
ra s_n
cas_n
we_n