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HY5PS121621CFP-C4 数据表(PDF) 9 Page - Hynix Semiconductor

部件名 HY5PS121621CFP-C4
功能描述  512Mb DDR2 SDRAM
Download  38 Pages
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制造商  HYNIX [Hynix Semiconductor]
网页  http://www.skhynix.com/kor/main.do
标志 HYNIX - Hynix Semiconductor

HY5PS121621CFP-C4 数据表(HTML) 9 Page - Hynix Semiconductor

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Rev. 0.8 / Oct. 2007
9
1HY5PS12421C(L)FP
1HY5PS12821C(L)FP
1HY5PS121621C(L)FP
PIN
TYPE
DESCRIPTION
DQS, (DQS)
(UDQS),(UDQS)
(LDQS),(LDQS)
(RDQS),(RDQS)
Input/
Output
Data Strobe : Output with read data, input with write data. Edge aligned with read data,
centered in write data. For the x16, LDQS correspond to the data on DQ0~DQ7; UDQS
corresponds to the data on DQ8~DQ15. For the x8, an RDQS option using DM pin can
be enabled via the EMRS(1) to simplify read timing. The data strobes DQS, LDQS,
UDQS, and RDQS may be used in single ended mode or paired with optional comple-
mentary signals DQS, LDQS,UDQS and RDQS to provide differential pair signaling to the
system during both reads and wirtes. An EMRS(1) control bit enables or disables all
complementary data strobe signals.
In this data sheet, "differential DQS signals" refers to any of the following with A10 = 0
of EMRS(1)
x4 DQS/DQS
x8 DQS/DQS
if EMRS(1)[A11] = 0
x8 DQS/DQS, RDQS/RDQS,
if EMRS(1)[A11] = 1
x16 LDQS/LDQS and UDQS/UDQS
"single-ended DQS signals" refers to any of the following with A10 = 1
of EMRS(1)
x4 DQS
x8 DQS
if EMRS(1)[A11] = 0
x8 DQS, RDQS, if EMRS(1)[A11] = 1
x16 LDQS and UDQS
NC
No Connect : No internal electrical connection is present.
VDDQ
Supply DQ Power Supply: 1.8V +/- 0.1V
VSSQ
Supply DQ Ground
VDDL
Supply DLL Power Supply : 1.8V +/- 0.1V
VSSDL
Supply DLL Ground
VDD
Supply Power Supply : 1.8V +/- 0.1V
VSS
Supply Ground
VREF
Supply Reference voltage for inputs for SSTL interface.
-Continue-


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