K4T1G044QA Datasheet, PDF (5/28 Pages) Samsung semiconductor – 1Gb A-die DDR2 SDRAM Specification

1G A-die DDR2 SDRAM
DDR2 SDRAM
x8 package pinout (Top View) : 68ball FBGA Package (60balls + 8balls of dummy balls)
1
2
3
NC
NC
A
B
C
D
VDD
NU/
RDQS
VSS
E
DQ6
VSSQ
DM/
RDQS
F
VDDQ DQ1 VDDQ G
DQ4 VSSQ DQ3
H
VDDL VREF VSS
J
CKE
WE
K
BA2
BA0
BA1
L
A10/AP
A1
M
VSS
A3
A5
N
A7
A9
P
VDD
A12
NC
R
T
U
V
NC
NC
W
7
8
9
NC
NC
VSSQ DQS VDDQ
DQS VSSQ DQ7
VDDQ DQ0
DQ2 VSSQ
VDDQ
DQ5
VSSDL
RAS
CK
CK
VDD
ODT
CAS
CS
A2
A0
VDD
A6
A4
A11
A8
VSS
NC
A13
NC
NC
Notes:
1. Pins F3 and E2 have
identical capacitance as
pins F7 and E8.
2. For a read, when enabled,
strobe pair RDQS &
RDQS are identical in
function and timing to
strobe pair DQS & DQS
and input masking
function is disabled.
3. The function of DM or
RDQS/RDQS are enabled
by EMRS command.
4. VDDL and VSSDL are
power and ground for the
DLL.
Ball Locations (x8)
: Populated Ball
+ : Depopulated Ball
Top View (See the balls through the Package)
123456789
A
+ + +++
B + + + + + ++ ++
C + + + + + ++ ++
D + + + + + ++ ++
E
+ ++
F
+ ++
G
+ ++
H
+ ++
J
+ ++
K+
+ ++
L
+ ++
+
M+
+ ++
N
+ ++
+
P+
+ ++
R
+ ++
+
T + + + + + ++ ++
U + + + + + ++ ++
V + + + + + ++ ++
W
+ + +++
Page 5 of 28
Rev. 1.1 Aug. 2005