HB52RF649DC Datasheet, PDF (7/16 Pages) Elpida Memory – 512MB Unbuffered SDRAM S.O.DIMM

HB52RF649DC-B, HB52RD649DC-B
Block Diagram
A0 to A12, BA0, BA1
/RE, /CE, /W
/S1
/S0
DQMB0
DQ0
to DQ7
/CS
DQM
D0
8 N0, N1 _I/O0
to I/O7
/CS
DQM
D9
I/O0
to I/O7
/CS
DQMB4
DQM
D5
DQ32
to DQ39
8
N10, N11 _I/O0
to I/O7
/CS
DQM
D14
I/O0
to I/O7
DQMB1
N2,
8 N3
DQ8
to DQ15
RA0 to RA12, RBA0, RBA1
/RRE, /RCE, /RW
/CS
DQM
D1
I/O0
to I/O7
CB0
to CB7
/CS
DQM
D2
8 N4, N5 _I/O0
to I/O7
A0 to A12, BA0, BA1
/RE, /CE, /W
/CS
DQM
D10
I/O0
to I/O7
DQMB5
DQ40
to DQ47
N12,
8 N13
/CS
DQM
D11
I/O0
to I/O7
/CS
DQM
D6
I/O0
to I/O7
/CS
DQM
D15
I/O0
to I/O7
/CS
DQMB2
DQM
D3
DQ16
to DQ23
8
N6, N7 _I/O0
to I/O7
/CS
/CS
DQM
DQMB6
D12
DQM
D7
I/O0
to I/O7
DQ48
to DQ55
8
N14, N15 _I/O0
to I/O7
/CS
DQM
D16
I/O0
to I/O7
/CS
DQMB3
DQM
D4
DQ24
to DQ31
8
N8, N9 _I/O0
to I/O7
/CS
/CS
DQM
DQMB7
D13
DQM
D8
I/O0
to I/O7
DQ56
to DQ63
8
N16, N17 _I/O0
to I/O7
/CS
DQM
D17
I/O0
to I/O7
CKE0
CKE1
CLK0
CLK1
A0 to A9, A11 to A12
BA0, /RE, /CE, /W
A10, BA1
CKE (D0 to D8)
CKE (D9 to D17)
VCC
C18 to C56
VCC (D0 to D17)
N18 to N21
CLK (D0, D1, D9,D10)
CLK (D2, D5, D6, D11,
D14, D15)
CLK (D3, D4, D12, D13)
CLK (D7, D8, D16, D17)
VSS
SCL
RA0 to RA9, RA11 to RA12
C0 to C15 ^{RBA0, /RRE, /RCE, /RW}
VSS
VSS (D0 to D17)
Serial PD
SCL
SDA
A0 U0
A1
A2
SDA
VSS
R0 to R1
RA10, RBA1
C16 to C17
VSS
* D0 to D7: 256M bits SDRAM TCP
R0 to R1: 22Ω
N0 to N17: Network resistors (10Ω)
N18 to N21: Network resistors (22Ω)
C0 to C17: 20pF
C18 to C56: 0.1µF
U0: 2k bits EEPROM
Data Sheet E0223H30 (Ver. 3.0)
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