HYB18T256161BF Datasheet, PDF (15/40 Pages) Qimonda AG – 256-Mbit x16 DDR2 SDRAM

Internet Data Sheet
HYB18T256161BF–20/25/28
256-Mbit Double-Data-Rate-Two SDRAM
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UHJDGGU
03%7
Field
BA1
Bits Type¹⁾
14 reg.addr
BA0
13
A
[12:0] w
1) w = write only
TABLE 9
EMR(3) Programming Extended Mode Register Definition( BA[1:0]=11_B)
Description
Bank Adress
1_B BA1 Bank Address
Bank Adress
1_B BA0 Bank Address
Address Bus
0000000000000_B Address bits
Input Pin
DQ[7:0]
DQ[15:8]
LDQS
LDQS
UDQS
UDQS
LDM
UDM
EMRS(1) Address Bit A10
X
X
X
0
X
0
X
X
Note: X = don’t care; 0 = bit set to low; 1 = bit set to high
TABLE 10
ODT Truth Table
EMRS(1) Address Bit A11
X
X
Rev. 1.20, 2007-06
15
11232006-QP6X-6EM0