LG Semicon
GM72V66841CT/CLT
Auto Precharge
Read with auto-Precharge: In this operation,
since Precharge is automatically performed after
The command executed for the same bank after
the execution of this command must be the bank
active (ACTV) command. In addition, an interval
defined by lAPR is required before execution of the
next command.
completing
a
read operation,
a
Precharge
command need not be executed after each read
operation.
CAS Latency
Precharge start cycle
2 cycle before the final data is output
3
2
1 cycle before the final data is output
Burst Read with Auto-Precharge
CLK
CL=2
READ
ACTV
Command
out 0
out 1
out 2
out 3
Dout
lAPR
CL=3
Command
READ
ACTV
out 0
out 1
out 2
out 3
Dout
lAPR
Note : Internal auto-Precharge starts at the timing indicated by "
"
At CLK=50MHz (lAPR changes depending on the operating frequency.)
20
LG [ LG SEMICON CO.,LTD. ]
