Internet Data Sheet
HYB25D128xxxC[C/E/F/T](L)
128-Mbit Double-Data-Rate SDRAM
Ball#/Pin#
Name
Pin
Type
Buffer
Type
Function
Data Strobe ×16 organization
E3, 51
UDQS
I/O
SSTL
SSTL
Data Strobe Upper Byte
Data Strobe Lower Byte
E7, 16
LDQS
I/O
Data Mask ×16 organization
F3, 47
UDM
LDM
I
I
SSTL
SSTL
Data Mask Upper Byte
Data Mask Lower Byte
F7, 20
Power Supplies
F1, 49
VREF
AI
—
—
I/O Reference Voltage
A9, B2, C8, D2, VDDQ
E8, 3, 9, 15, 55,
61
PWR
I/O Driver Power Supply
A7, F8, M3, M7, VDD
1, 18, 33
PWR
PWR
—
—
Power Supply
Power Supply
A1, B8, C2, D8, VSSQ
E2, 6, 12, 52,
58, 64
F2, 34
VSS
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
PWR
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
—
—
—
—
—
—
—
—
—
—
—
—
Power Supply
Not Connected
A2, 65
Not Connected
Note: ×4 organization
Not Connected
A8, 2
Note: ×4 organization
Not Connected
B1, 63
B9, 4
Note: ×8 and ×4 organisation
Not Connected
Note: ×8 and ×4 organization
Not Connected
C1, 60
C3, 59
C7, 8
Note: ×8 and ×4 organization
Not Connected
Note: ×4 organization
Not Connected
Note: ×4 organization
Not Connected
C9, 7
Note: ×8 and ×4 organization
Not Connected
D1, 57
D9, 10
E1, 54
Note: ×8 and ×4 organization
Not Connected
Note: ×8 and ×4 organization
Not Connected
Note: ×8 and ×4 organization
Rev. 1.6, 2007-02
8
03292006-U5AN-6TI1