參數(shù)資料
型號(hào): EBE21RD4AEFA-4A-E
廠商: ELPIDA MEMORY INC
元件分類: DRAM
英文描述: Circular Connector; No. of Contacts:5; Series:MS27466; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:15; Circular Contact Gender:Pin; Circular Shell Style:Wall Mount Receptacle; Insert Arrangement:15-5 RoHS Compliant: No
中文描述: 256M X 72 DDR DRAM MODULE, 0.6 ns, DMA240
封裝: ROHS COMPLIANT, DIMM-240
文件頁數(shù): 8/22頁
文件大小: 173K
代理商: EBE21RD4AEFA-4A-E
EBE21RD4ABHA
Data Sheet E0451E20 (Ver. 2.0)
8
Block Diagram
DM
/CS
DQS /DQS
DQ0 to DQ3
4
DQS0
/DQS0
R
S
R
S
D0
/RCS0
VSS
/RCS1
DQ8 to DQ11
4
DQS1
/DQS1
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
/CS0
*
2
/CS1
*
2
BA0 to BA1
A0 to A13
/RAS
/CAS
CKE0
CKE1
/WE
/ODT0
/ODT1
/RESET*
3
PCK7
*
3
/RCS0 -> /CS: SDRAMs D0 to D17
/RCS1 -> /CS: SDRAMs D18 to D35
RBA0 to RBA1 -> BA0 to BA1: SDRAMs D0 to D35
RA0 to RA13 -> A0 to A13: SDRAMs D0 to D35
/RRAS -> /RAS: SDRAMs D0 to D35
/RCAS -> /CAS: SDRAMs D0 to D35
RCKE0 -> CKE: SDRAMs D0 to D17
RCKE1 -> CKE: SDRAMs D18 to D35
/RWE1 -> /WE: SDRAMs D0 to D35
RODT0 -> ODT: SDRAMs D0 to D17
RODT1 -> ODT: SDRAMs D18 to D35
R
E
G
I
S
T
E
R
/PCK7
*
3
D1
DQ16 to DQ19
4
DQS2
/DQS2
R
S
D2
DQ24 to DQ27
4
DQS3
/DQS3
R
S
D3
DQ32 to DQ35
4
DQS4
/DQS4
R
S
D4
DQ40 to DQ43
4
DQS5
/DQS5
R
S
D5
DQ48 to DQ51
4
DQS6
/DQS6
R
S
D6
DQ56 to DQ59
4
DQS7
R
S
D7
/DQS7
CB0 to CB3
4
DQS8
R
S
DQ0
D8
/DQS8
D18
D19
D20
D21
D22
D23
D24
D25
D26
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
/RST
Notes:
1. DQ wring may be changed within a nibble.
2.
/CS0 connects to D/CS and /CS1 connects to /CSR on
register1 and register2.
/CS1 connects to D/CS and /CS0 connects to /CSR on
register3 and register4.
3.
/RESET, PCK7 and /PCK7 connect to all registers.
CKE and /ODT connect to a register.
Other signals connect to two of four registers.
P
L
L
OE
CK0
/CK0
/RESET
PCK0 to PCK6, PCK8, PCK9 -> CK: SDRAMs D0 to D35
/PCK0 to /PCK6, /PCK8, /PCK9 -> /CK: SDRAMs D0 to D35
PCK7
-> CK:
register
/PCK7
-> /CK:
register
D0 to D35: 512M bits DDR2 SDRAM
U0: 2k bits EEPROM
R
S
: 22
PLL: CU877
Register: SSTU32864
Serial PD
SDA
A0 A1 A2
SA0 SA1 SA2
SCL
SCL
U0
SDA
WP
Serial PD
D0 to D35
D0 to D35
D0 to D35
VDDSPD
VSS
VREF
VDD
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
D9
D10
D11
D12
D13
D14
D15
D16
DQ0
D17
D27
D28
D29
D30
D31
D32
D33
D34
D35
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ0
DQ4 to /DQ7
4
DQS9
R
S
DQ12 to DQ15
4
R
S
/DQS9
DQ20 to DQ23
4
R
S
DQ28 to DQ31
4
R
S
DQ36 to DQ39
4
R
S
DQ44 to DQ47
4
R
S
DQ52 to DQ55
4
R
S
DQ60 to DQ63
4
R
S
CB4 to CB7
4
R
S
DQS10
/DQS10
DQS11
/DQS11
DQS12
/DQS12
DQS13
/DQS13
DQS14
/DQS14
DQS15
/DQS15
DQS16
/DQS16
DQS17
/DQS17
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
R
S
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
DM
/CS
DQS /DQS
R
S
R
S
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