K4T56043QF Datasheet, PDF (5/27 Pages) Samsung semiconductor – 256Mb F-die DDR2 SDRAM

256Mb F-die DDR2 SDRAM
DDR2 SDRAM
x8 package pinout (Top View) : 60ball FBGA Package
1
2
3
7
8
9
VDD
NU/
RDQS
VSS
A
DQ6
VSSQ
DM/
RDQS
B
VSSQ DQS VDDQ
DQS VSSQ DQ7
VDDQ DQ1 VDDQ C VDDQ DQ0 VDDQ
DQ4 VSSQ
VDDL _VREF
DQ3
VSS
D
DQ2 VSSQ DQ5
E VSSDL CK
VDD
CKE WE
F
RAS
CK
ODT
NC
BA0 BA1
G
CAS
CS
A10
A1
H
A2
A0
VDD
VSS
A3
A5
J
A6
A4
A7
A9
K
A11
A8
VSS
VDD A12
NC
L
NC
NC
Notes:
1. Pins B3 and A2 have identical capacitance as pins B7 and A8.
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
+ ++
+
Page 5 of 27
Rev. 1.5 Feb. 2005