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46DR16640A Datasheet(PDF) 3 Page - Integrated Silicon Solution, Inc

Part # 46DR16640A
Description  Clock frequency up to 400MHz
PDF  28 Pages
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Manufacturer  ISSI [Integrated Silicon Solution, Inc]
Direct Link  http://www.issi.com
Logo ISSI - Integrated Silicon Solution, Inc

46DR16640A Datasheet(HTML) 3 Page - Integrated Silicon Solution, Inc

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IS43/46DR81280A, IS43/46DR16640A  
Integrated Silicon Solution, Inc. – www.issi.com –
3
Rev. D, 08/30/2011
DDR2 SDRAM (64Mx16) TW‐BGA Ball‐out (Top‐View) (8.00mm x 13.65mm Body, 0.8mm pitch) 
Description
Input clocks
Clock enable
Chip Select
Command control inputs
Address
Bank Address
I/O
Upper Byte Data Strobe
Lower Byte Data Strobe
Input data mask
Supply voltage
Ground
DQ power supply
DQ ground
Reference voltage
DLL power supply
DLL ground
On Die Termination Enable
No connect
VDDL
VSSDL
NC
ODT
VDD
VSS
VDDQ
VSSQ
LDQS, LDQS#
UDM, LDM
RAS#,CAS#,WE#
A[12:0]
BA[2:0]
VREF
Symbol
CK, CK#
CKE
CS#
DQ[15:0]
UDQS, UDQS#
Note:
VDDL and VSSDL are power and ground for the DLL.
1
2
34
5
6
78
9
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
VDD
DQ14
VDDQ
DQ12
VDD
DQ6
VDDQ
DQ4
VDDL
BA2
VSS
VDD
NC
VSSQ
DQ9
VSSQ
NC
VSSQ
DQ1
VSSQ
VREF
CKE
BA0
A10/AP
A3
A7
A12
VSS
UDM
VDDQ
DQ11
VSS
LDM
VDDQ
DQ3
VSS
WE
BA1
A1
A5
A9
NC
VSSQ
UDQS
VDDQ
DQ10
VSSQ
LDQS
VDDQ
DQ2
VSSDL
RAS
CAS
A2
A6
A11
NC
UDQS
VSSQ
DQ8
VSSQ
LDQS
VSSQ
DQ0
VSSQ
CK
CK
CS
A0
A4
A8
NC
VDDQ
DQ15
VDDQ
DQ13
VDDQ
DQ7
VDDQ
DQ5
VDD
ODT
VDD
VSS
Not populated



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