Internet Data Sheet
HY[B/I]25D256[16/40/80]0C[E/C/F/T](L)
256 Mbit Double-Data-Rate SDRAM
Ball#/Pin#
Name
Pin
Type
I/O
I/O
I
I
AI
PWR
Buffer
Type
SSTL
SSTL
SSTL
SSTL
—
—
Function
Data Strobe
×16
organization
E3, 51
E7, 16
F3, 47
F7, 20
Power Supplies
F1, 49
UDQS
LDQS
UDM
LDM
Data Strobe Upper Byte
Data Strobe Lower Byte
Data Mask Upper Byte
Data Mask Lower Byte
I/O Reference Voltage
I/O Driver Power Supply
Data Mask
×16
organization
V
REF
A9, B2, C8, D2,
V
DDQ
E8, 3, 9, 15, 55,
61
A7, F8, M7, 1,
18, 33
V
DD
PWR
PWR
—
—
Power Supply
Power Supply
A1, B8, C2, D8,
V
SSQ
E2, 6, 12, 52,
58, 64
A3, F2, M3, 34,
V
SS
48, 66
Not Connected
A2, 65
A8, 2
B1, 63
B9, 4
C1, 60
C3, 59
C7, 8
C9, 7
D1, 57
D9, 10
E1, 54
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
PWR
—
Power Supply
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
—
—
—
—
—
—
—
—
—
—
—
Not Connected
Note:
×
4 organization
Not Connected
Note:
×
4 organization
Not Connected
Note:
×
8 and
×
4 organisation
Not Connected
Note:
×
8 and
×
4 organization
Not Connected
Note:
×
8 and
×
4 organization
Not Connected
Note:
×
4 organization
Not Connected
Note:
×
4 organization
Not Connected
Note:
×
8 and
×
4 organization
Not Connected
Note:
×
8 and
×
4 organization
Not Connected
Note:
×
8 and
×
4 organization
Not Connected
Note:
×
8 and
×
4 organization
Rev. 2.3, 2007-03
03062006-8CCM-VPUW
9
QIMONDA [ QIMONDA AG ]
