DS_K7M323625M Datasheet, PDF (7/18 Pages) Samsung semiconductor – 1Mx36 & 2Mx18 Flow-Through NtRAM

K7M323625M
K7M321825M
1Mx36 & 2Mx18 Flow-Through NtRAM^TM
STATE DIAGRAM FOR N tRAM^TM
WRITE
READ
READ ^BEGIN
READ
READ
DS
DESELECT
WRITE
DS
BEGIN _WRITE
WRITE
DS
READ
BURST ^BURST
READ
RITE
W
DS
BURST _BURST
WRITE
COMMAND
DS
READ
WRITE
BURST
DESELECT
BEGIN READ
BEGIN WRITE
BEGIN READ
BEGIN WRITE
CONTINUE DESELECT
ACTION
Notes : 1. An IGNORE CLOCK EDGE cycle is not shown is the above diagram. This is because CKE HIGH only blocks the clock(CLK) input and does
not change the state of the device.
2. States change on the rising edge of the clock(CLK)
-7-
Nov. 2003
Rev 2.0