HB52F328EM-75B Datasheet, PDF (9/19 Pages) Elpida Memory – 256MB Unbuffered SDRAM DIMM

HB52F328EM-75B, HB52F329EM-75B
Block Diagram (HB52F328EM)
A0 to A12, BA0, BA1
/RE, /CE, /W
/S0
DQMB0
DQ0 to DQ7
8 10Ω
/CS
DQM
D0
I/O0
to I/O7
DQMB1
DQ8 to DQ15
8 10Ω
/CS
DQM
D1
I/O0
to I/O7
DQMB4
DQ32 to DQ39
8 10Ω
/CS
DQM
D4
I/O0
to I/O7
DQMB5
DQ40 to DQ47
8 10Ω
/CS
DQM
D5
I/O0
to I/O7
/S2
DQMB2
DQ16 to DQ23
8 10Ω
/CS
DQM
D2
I/O0
to I/O7
DQMB6
DQ48 to DQ55
8 10Ω
/CS
DQM
D6
I/O0
to I/O7
DQMB3
8 10Ω
DQ24 to DQ31
/CS
DQM
D3
I/O0
to I/O7
DQMB7
DQ56 to DQ63
8 10Ω
/CS
DQM
D7
I/O0
to I/O7
10Ω
CK0
10Ω
CK2
CK1, CK3
CKE0
CLK
:4 SDRAMs + 3.3pF cap
VCC
0.33µF
× 8 pcs
VSS
CLK
:4 SDRAMs + 3.3pF cap
SCL
10Ω
0.1µF
× 8 pcs
VCC (D0 to D7, U0)
VSS (D0 to D7, U0)
Serial PD
SCL
SDA
U0
SDA
10pF
CKE (D0 to D7)
A0 A1 A2
WP
47kΩ
SA0 SA1 SA2
V_SS
Notes :
1. The SDA pull-up resistor is required due to
the open-drain/open-collector output.
2. The SCL pull-up resistor is recommended
because of the normal SCL line inacitve
"high" state.
* _{D0 to D7: HM5225805}
U0: 2k bits EEPROM
Data Sheet E0184H10 (Ver. 1.0)
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