tc59ym916bkg24a ETC-unknow, tc59ym916bkg24a Datasheet - Page 46

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

DQN15…0
DQN15…0
DQN15…0
Figure 46. Power State Management
DQ15…0
DQ15…0
DQ15…0
RQ11
RQ11
RQ11
…RQ0
CFMN
…RQ0
CFMN
(output)
…RQ0
CFMN
CFM
(input)
CFM
CFM
CMD
SDO
SCK
RST
SDI
Transaction 1: REFA
Transaction 2: REFA
Transaction n-1: REFA
Transaction n: REFI
CMD
a
’1’ ’1’ ’0’ ’0’
S
0
t
PDN-CMD
Start
t
CYCLE
S
...Power Down State
2
Transaction a: Last precharge command
Transaction b: PDN
t
CYCLE
S
SCMD
’0’ ’1’
4
No Signal
REFA
S
t
’0’
1
CMD-PDN
6
’0’ 5 4 3 2 1 0 7
2’h0, SID[5:0]
The final REFA/REFI command increments the REFr register.
S
8
S
10
Power-up transaction
S
12
S
REFA
14
2
6 5 4 3 2 1 0 ‘0' 7
PDN
S
SADR [7:0]
16
b
S
TC59YM916BKG24A,32A,32B,40B,32C,40C
18
S
REFI
20
n
t
CFM-PDN
S
22
t
S
PDN-ENTRY
6 5 4 3 2 1 0
REFP
24
n-2
SWD [7:0]
S
26
t
PDN-CFM
S
28
S
30
‘0’
S
32
REFP
n-1
S
34
t
t
PDN-CMD
PDN-EXIT
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Power Down State…
Power Down Exit
Power Down Entry
REFP
n
No Signal
t
CYC,SCK
Rev 0.1
t
CYCLE