HYB18T512160AC-37 INFINEON [Infineon Technologies AG], HYB18T512160AC-37 Datasheet - Page 65

• Manufacturer Part Number: HYB18T512160AC-37
• Description: 512-Mbit Double-Data-Rate-Two SDRAM
• Manufacturer: INFINEON [Infineon Technologies AG]

3
Table 16
Function
(Extended) Mode
Register Set
Auto-Refresh
Self-Refresh Entry
Self-Refresh Exit
Single Bank Precharge H
Precharge all Banks
Bank Activate
Write
Write with Auto-
Precharge
Read
Read with Auto-
Precharge
No Operation
Device Deselect
Power Down Entry
Power Down Exit
1) All DDR2 SDRAM commands are defined by states of CS, WE, RAS, CAS, and CKE at the rising edge of the clock.
2) The state of ODT does not affect the states described in this table. The ODT function is not available during Self Refresh.
3) “X” means “H or L (but a defined logic level)”.
4) Operation that is not specified is illegal and after such an event, in order to guarantee proper operation, the DRAM must
5) Bank addresses (BAx) determine which bank is to be operated upon. For (E)MRS BAx selects an (Extended) Mode
6)
7) Burst reads or writes at BL = 4 cannot be terminated.
8) The Power Down Mode does not perform any refresh operations. The duration of Power Down is therefore limited by the
Data Sheet
be powered down and then restarted through the specified initialization sequence before normal operation can continue.
Register.
V
refresh requirements outlined in
REF
must be maintained during Self refresh Operation
Truth Tables
Command Truth Table
CKE
Previous
Cycle
H
H
H
L
H
H
H
H
H
H
H
H
H
L
Chapter
Current
Cycle
H
H
L
H
H
H
H
H
H
H
H
X
X
L
H
2.9.
CS RAS CAS WE BA0
L
L
L
H
L
L
L
L
L
L
L
L
H
H
L
H
L
L
L
L
X
L
L
L
H
H
H
H
H
X
X
H
X
H
65
L
L
L
X
H
H
H
L
L
L
L
H
X
X
H
X
H
512-Mbit Double-Data-Rate-Two SDRAM
HYB18T512[400/800/160]A[C/F]–[3.7/5]
L
H
H
X
L
L
H
L
L
H
H
H
X
X
H
X
H
BA1
BA
X
X
X
BA
X
BA
BA
BA
BA
BA
X
X
X
X
A[13:11] A10 A[9:0]
OP Code
X
X
X
X
X
Row Address
Column
Column
Column
Column
X
X
X
X
X
X
X
L
H
L
H
L
H
X
X
X
X
09112003-SDM9-IQ3P
X
X
X
X
X
Column
Column
Column
Column
X
X
X
X
Rev. 1.13, 2004-05
Truth Tables
Notes
1)2)3)4)
5)
6)
6)
5)
5)
5)7)
5)7)
5)7)
5)7)
8)
4)8)