Discontinued (12/98 - last order; 9/99 last ship)
IBM0316409C IBM0316809C IBM0316169C
IBM03164B9C
16Mb Synchronous DRAM-Die Revision D
Burst Read with Auto-Precharge (Burst Length = 4)
T0
T1
T2
T3
T4
T5
T6
T7
T8
CLK
READ A
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
COMMAND
Auto-Precharge
tRP + tDPL
DOUT A
*
tCK2
DQs
DOUT A
DOUT A
DOUT A
3
0
1
2
tRP*+ tDPL
tCK3
DQs
*
DOUT A
DOUT A
DOUT A
DOUT A
3
0
1
2
Bank can be reactivated after completion of tRP + tDPL
For Auto-Precharge, this is an asynchronous delay
which may complete prior to a clock edge,depending
.
*
Begin Auto-precharge.
on tRP tDPL
tCK. The bank cannot be reactivated
,
and
until the rising clock edge following the completion of
*
tRP, tRCD= 2 clocks for -360
the delay.
Although a Read Command with auto-precharge can not be interrupted by a command to the same bank, it
can be interrupted by a Read or Write Command to the other bank. The auto-precharge function will begin
normally with the issuing command.
Burst Read w/ Auto-precharge Interrupted by Read (Burst Length = 4, CAS Latency = 2, 3)
T0
T1
T2
T3
T4
T5
T6
T7
T8
CLK
READ A
NOP
NOP
NOP
NOP
NOP
NOP
NOP
READ B
COMMAND
Auto-Precharge
tRP + tDPL
*
CAS latency = 2
t
CK2, DQs
DOUT A
DOUT A
DOUT B
DOUT B
DOUT B
DOUT B
DOUT B
0
1
0
0
1
1
2
3
tRP*+ tDPL
*
CAS latency = 3
t
CK3, DQs
DOUT A
DOUT A
DOUT B
DOUT B
DOUT B
3
0
1
2
Begin Auto-precharge A
Bank can be reactivated at completion of t
t
RP + DPL
*
*
tRP, tRCD= 2 clocks for-360
©IBM Corporation. All rights reserved.
Use is further subject to the provisions at the end of this document.
08J3348.E35853
5/98
Page 22 of 120
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