HB52F328EM-75B Datasheet, PDF (6/19 Pages) Elpida Memory – 256MB Unbuffered SDRAM DIMM

HB52F328EM-75B, HB52F329EM-75B
Serial PD Matrix*¹
Byte No.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Function described
Number of bytes used by module
manufacturer
Total SPD memory size
Memory type
Number of row addresses bits
Number of column addresses bits
Number of banks
Module data width
(HB52F328EM)
(HB52F329EM)
Module data width (continued)
Module interface signal levels
SDRAM cycle time
(highest /CE latency)
7.5ns
SDRAM access from Clock
(highest /CE latency)
5.4ns
Module configuration type
(HB52F328EM)
(HB52F329EM)
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Hex value
1 0 0 0 0 0 0 0 80
0 0 0 0 1 0 0 0 08
0 0 0 0 0 1 0 0 04
0 0 0 0 1 1 0 1 0D
0 0 0 0 1 0 1 0 0A
0 0 0 0 0 0 0 1 01
0 1 0 0 0 0 0 0 40
0 1 0 0 1 0 0 0 48
0 0 0 0 0 0 0 0 00
0 0 0 0 0 0 0 1 01
0 1 1 1 0 1 0 1 75
0 1 0 1 0 1 0 0 54
0 0 0 0 0 0 0 0 00
0 0 0 0 0 0 1 0 02
Refresh rate/type
1 0 0 0 0 0 1 0 82
SDRAM width
0 0 0 0 1 0 0 0 08
Error checking SDRAM width
(HB52F328EM)
0 0 0 0 0 0 0 0 00
(HB52F329EM)
0 0 0 0 1 0 0 0 08
SDRAM device attributes:
minimum clock delay for back-to- 0 0 0 0 0 0 0 1 01
back random column addresses
SDRAM device attributes:
Burst lengths supported
0 0 0 0 1 1 1 1 0F
SDRAM device attributes: number of
banks on SDRAM device
0
0
0
0
0
1
0
0
04
SDRAM device attributes:
/CE latency
0 0 0 0 0 1 1 0 06
SDRAM device attributes:
/S latency
0 0 0 0 0 0 0 1 01
SDRAM device attributes:
/W latency
0 0 0 0 0 0 0 1 01
SDRAM device attributes
0 0 0 0 0 0 0 0 00
SDRAM device attributes: General 0 0 0 0 1 1 1 0 0E
SDRAM cycle time
(2nd highest /CE latency)
10ns
SDRAM access from Clock
(2nd highest /CE latency)
6ns
SDRAM cycle time
(3rd highest /CE latency)
Undefined
1 0 1 0 0 0 0 0 A0
0 1 1 0 0 0 0 0 60
0 0 0 0 0 0 0 0 00
Comments
128
256 byte
SDRAM
13
10
1
64 bit
72 bit
0 (+)
LVTTL
CL = 3
Non parity
ECC
Normal
(7.8125 µs)
Self refresh
32M × 8
—
×8
1 CLK
1, 2, 4, 8
4
2, 3
0
0
Non buffer
VCC ± 10%
CL = 2
Data Sheet E0184H10 (Ver. 1.0)
6