tc59ym916bkg24a ETC-unknow, tc59ym916bkg24a Datasheet - Page 64
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tc59ym916bkg24a
Manufacturer Part Number
tc59ym916bkg24a
Description
The Second Generation 512-megabit Xdrtm Dram
Manufacturer
ETC-unknow
Datasheet
1.TC59YM916BKG24A.pdf
(76 pages)
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a.
b.
c.
d.
e.
f.
t
t
t
t
t
t
t REFx-LRRx
RDP
WRP
DR
DP
LRRn-LRRn
REFx-LRRn
Symbol
The t
additional limitation, depending upon how many column accesses (each requiring t
The table lists the special cases (t
performed in each row access. Note that t
parameters are minimum.
t
t
See “Propagation Delay” on page 30.
t
page 53. Also, note that the value of t
t
ROWP-LRRn includes the commands {ROWP-LRR0, ROWP-LRR1, ROWP-LRR2}
ROWP-REFx inclues the commands {ROWP-REFA, ROWP-REF1, ROWP-REFP}.
PP-D
RR-D
∆WR-D
∆WR-D
RC,MIN
is the t
is the t
may assume any value ≥ t
is the t
Read-to-precharge time: interval between a COL-RD read command and a
ROWP-PRE precharge command to the same bank.
Write-to-precharge time: interval between a COL-WR or COLM-WRM write
command and a ROWP-PRE precharge command to the same bank.
Data-to-read time : interval between a D write data and a COL-RD read
command to the same bank.
Data-to-precharge time : interval between a D write data and a ROWP-PRE
precharge command to the same bank.
Interval between ROWP-LRRn command and a subsequent ROWP-LRRn
command.
Interval between ROWP-REFx command and a subsequent ROWP-LRRn
command.
Interval between ROWP-LRRn command and a subsequent ROWP-REFx
command.
PP
parameter is applicable to all transaction types (read, write, refresh, etc). Read and write transactions may have an
RR
∆WR
parameter for precharges to different bank sets. See “Simultaneous Precharge” on page 55.
parameter for aceivates to different bank sets. See “Simultaneous Precharge” on page 56.
f
parameter for write-read accesses to different bank sets. See “Multiple Bank Sets and the ERAW Feature” on
Parameter and Other Conditions
Table 17. Timing Parameters (continued)
RC-R, 2tCC
∆WR,MIN
∆WR-D
RC-W, 2tCC, ERAW
.
, t
RC-W, 2tCC, noERAW
may not take on the values {3,5,7} within the range{t
TC59YM916BKG24A,32A,32B,40B,32C,40C
uses a relaxed value of t
, t
RC-W, 2tCC, ERAW
CC
RCD-W
) are performed in each row access (t
) in which two column accesses are
Min
(A)
10
16
16
16
3
6
7
that is equal to t
Min
(B)
12
20
20
20
4
7
9
2004-12-15 64/76
∆WR-D,MIN
Min
(C)
12
24
24
24
4
7
9
RCD-R,MIN
t
t
t
t
t
t
t
CYCLE
CYCLE
CYCLE
CYCLE
CYCLE
CYCLE
CYCLE
Unit
, ... t
Rev 0.1
. All other
∆WR,MIN-1
Figure(s)
Table 4
Table 4
Table 4
12, 13
RC
4, 7
4, 7
9
).
}.
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