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EM44CM1688LBC の電気的特性と機能

EM44CM1688LBCのメーカーはEorexです、この部品の機能は「Double DATA RATE SDRAM」です。


製品の詳細 ( Datasheet PDF )

部品番号 EM44CM1688LBC
部品説明 Double DATA RATE SDRAM
メーカ Eorex
ロゴ Eorex ロゴ 




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EM44CM1688LBC Datasheet, EM44CM1688LBC PDF,ピン配置, 機能
Revision History
Revision 0.1 (Jan. 2013)
-First release.
Revision 0.2 (Feb. 2014)
- Update DC current.
Revision 0.3 (Apr. 2014)
- Update Temperature.
EM44CM1688LBC
Apr. 2014
1/29
www.eorex.com

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EM44CM1688LBC pdf, ピン配列
EM44CM1688LBC
Ordering Information
Part No
Organization Max. Freq
EM44CM1688LBC-3F
64M X 16 DDR2-667MHz 5-5-5
EM44CM1688LBC-25F
64M X 16 DDR2-800MHz 6-6-6,5-5-5
EM44CM1688LBC-3FE
64M X 16 DDR2-667MHz 5-5-5
EM44CM1688LBC-25FE 64M X 16 DDR2-800MHz 6-6-6,5-5-5
Note: Speed ( tCK *) is in order of CL-tRCD-tRP
Package
FBGA-84B
FBGA-84B
FBGA-84B
FBGA-84B
Grade
Pb
Commercial Free
Commercial Free
Extended Free
Extended Free
Parts Naming Rule
EM 44 CM 16 8 8 L B C - X E
EOREX Memory
DDR2 SDRAM
Density
DM: 128 Mega
CM: 64 Mega
BM: 32 Mega
AM: 16 Mega
8M: 8 Mega
Organization
16: x16
Refresh
8: 8K
Bank
8: 8Bank
Grade
Blank: Commercial, Pb-free.
E: Extended, Pb-free.
I: Industry, Pb-free.
Min Cycle Time (Max Freq.)
-3: 3ns (DDR2-667-CL5)
-25: 2.5ns (DDR2-800-CL6)
-187:1.875ns (DDR2-1066-CL7)
Revision
B: 2nd
Package
B: BGA
Interface
L: 1.8V
* EOREX reserves the right to change products or specification without notice.
Apr. 2014
3/29
www.eorex.com


3Pages


EM44CM1688LBC 電子部品, 半導体
EM44CM1688LBC
Pin Description (Continued)
B7,A8,F7,E8
B3,F3
G8,G2,H7,H3,
H1,H9,F1,F9,
C8,C2,D7,D3,
D1, D9,B1,B9
A1,E1,J9,M9,
R1/ A3,E3,J3,
N1,P9
A9,C1,C3,C7,
C9,E9,G1,G3,
G7,G9/A7,B2,
B8,D2,D8,E7,
F2,F8,H2,H8
J1/J7
J2
A2,E2,R3,R7
UDQS,/UDQS
,
LDQS,/LDQS
UDM,LDM
DQ0~15
(Data Strobe)
Output with read data, input with write data. Edge-aligned with read
data, centered in write data. LDQS corresponds to the data on
DQ0-DQ7; UDQS corresponds to the data on DQ8-DQ15. The data
strobes LDQS and UDQS may be used in single ended mode or paired
with optional complementary signals /LDQS and /UDQS to provide
differential pair signaling to the system during both reads and writes.
An EMRS(1) control bit enables or disables all complementary data
strobe signals. In this data sheet, "differential DQS signals" refers to
A10 = 0 of EMRS(1) using LDQS/LDQS and UDQS/UDQS.
"single-ended DQS signals" refers to A10 = 1 of EMRS(1) using LDQS
and UDQS.
(Input Data Mask)
DM is an input mask signal for write data. Input data is masked when
DM is sampled HIGH coincident with that input data during a Write
access. DM is sampled on both edges of DQS. Although DM pins are
input only, the DM loading matches the DQ and DQS loading.
(Data Input/Output)
Data inputs and outputs are on the same pin.
VDD/VSS
(Power Supply/Ground)
VDD and VSS are power supply for internal circuits.
VDDQ/VSSQ
(DQ Power Supply/DQ Ground)
VDDQ and VSSQ are power supply for the output buffers.
VDDL/VSSDL
VREF
NC
(DLL Power Supply/DLL Ground)
VDDL and VSSDL are power supply for DLL circuits
(Reference Voltage)
SSTL_1.8 reference voltage
(No Connection)
No internal electrical connection is present.
Apr. 2014
6/29
www.eorex.com

6 Page



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共有リンク

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部品番号部品説明メーカ
EM44CM1688LBA

1Gb Double DATA RATE 2 SDRAM

Eorex
Eorex
EM44CM1688LBB

1Gb Double DATA RATE 2 SDRAM

Eorex
Eorex
EM44CM1688LBC

Double DATA RATE SDRAM

Eorex
Eorex


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