tc59ym916bkg24a ETC-unknow, tc59ym916bkg24a Datasheet - Page 9

• Manufacturer Part Number: tc59ym916bkg24a
• Description: The Second Generation 512-megabit Xdrtm Dram
• Manufacturer: ETC-unknow

Figure 2. 256Mb (8x2Mx16) XDR DRAM Block Diagram
7 6+4
2/t
(0..1)
COL logic
RD,WR
CYCLE
delay
*
t
CYCLE
3
12
12
RQ11...RQ0
(0..3)
1:2 Demux
PRE delay
PRE logic
12
Decode
Reg
3
*
t
CYCLE
VTERM
12
12
VREF
2
1
11
(0..1)
ACT delay
ACT logic
BA,BR,REFB
BA,BR,REFB
termination
*
t
CYCLE
Dynamic Width Demux (WR)
3
R,REFr
BC
SC
M
C
Byte Mask (WR)
16x16
16x16
1/t
1/t
1/t
1/t
1:16 Demux
RR
CC
PP
CYCLE
TC59YM916BKG24A,32A,32B,40B,32C,40C
12
16
CFM
3
3
3
6
4
8
1/t
2/t
16/t
CYCLE
CYCLE
D[15:0] [15:0]
2
2
2
CC
CFMN
3
3
3
REFB,REFr
DQ15…DQ0
1
1
1
1
1
1
RST,SCK,CMD,SDI
ACT
ROW
R/W
COL
PRE
S[15:0] [15:0]
16/t
16
16
CC
ACT
ROW
PRE
R/W
COL
Control Registers
Power Mode Logic
Initialization Logic
Calibration Logic
4
Refresh Logic
DQN15…DQN0
16x16*2
Sense Amp Array
Q[15:0] [15:0]
16x16
Dynamic Width Demux (RD)
1
16
SDO
16x16
Bank Array
6
16x16
16:1 mux
*
2
16
Sense Amp (2
WIDTH
*
6
16x16
16x16*2
2
*
2004-12-15 9/76
2
6
16x16
16x16
12
Bank (2
6
Sense Amp 0
3
3
-1)
-1)
Rev 0.1
Bank 0
16/t
16
CC
WIDTH