HB52F328EM-75B Datasheet, PDF (10/19 Pages) Elpida Memory – 256MB Unbuffered SDRAM DIMM

HB52F328EM-75B, HB52F329EM-75B
Block Diagram (HB52F329EM)
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
8 10Ω
CB0 to CB7
/CS
DQM
D2
I/O0
to I/O7
DQMB4
8 10Ω
DQ32 to DQ39
/CS
DQM
D5
I/O0
to I/O7
DQMB5
8 10Ω
DQ40 to DQ47
/CS
DQM
D6
I/O0
to I/O7
/S2
DQMB2
DQ16 to DQ23
8 10Ω
/CS
DQM
D3
I/O0
to I/O7
DQMB6
DQ48 to DQ55
8 10Ω
/CS
DQM
D7
I/O0
to I/O7
DQMB3
DQ24 to DQ31
8 10Ω
/CS
DQM
D4
I/O0
to I/O7
DQMB7
8 10Ω
DQ56 to DQ63
/CS
DQM
D8
I/O0
to I/O7
CK0
CK1
CK2
CK3
CKE0
10Ω
10Ω
10Ω
10Ω
CLK ; 5 SDRAMs
VCC
0.33µF
× 9 pcs
VSS
VCC (D0 to D8, U0)
0.1µF
× 9 pcs
VSS (D0 to D8, U0)
10 pF
SCL
CLK; 4 SDRAMs + 3.3 pF cap
Serial PD
SCL
SDA
U0
A0 A1 A2
SDA
WP
47kΩ
10 pF
CKE (D0 to D8)
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 D8: HM5225805}
U0: 2k bits EEPROM
`
Data Sheet E0184H10 (Ver. 1.0)
10