參數(shù)資料
型號(hào): GS8170DW72C-200
廠商: GSI TECHNOLOGY
元件分類: DRAM
英文描述: 18Mb ヒ1x1Dp CMOS I/O Double Late Write SigmaRAM
中文描述: 256K X 72 STANDARD SRAM, 2.25 ns, PBGA209
封裝: 14 X 22 MM, 1 MM PITCH, BGA-209
文件頁(yè)數(shù): 20/27頁(yè)
文件大?。?/td> 827K
代理商: GS8170DW72C-200
GS8170DW36/72C-333/300/250/200
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev: 2.04 5/2005
20/27
2002, GSI Technology, Inc.
Register is described in the Scan Order Table following. The Boundary Scan Register, under the control of the TAP Controller, is loaded with the
contents of the RAMs I/O ring when the controller is in Capture-DR state and then is placed between the TDI and TDO pins when the controller is
moved to Shift-DR state. SAMPLE-Z, SAMPLE/PRELOAD and EXTEST instructions can be used to activate the Boundary Scan Register.
Instruction Register
ID Code Register
·
31 30 29
Boundary Scan Register
0
1
2
0
· · ·
1
2
0
Bypass Register
TDI
TDO
TMS
TCK
Test Access Port (TAP) Controller
1
·
1
0
·
·
·
·
·
·
·
·
·
Control Signals
·
JTAG TAP Block Diagram
Identification (ID) Register
The ID Register is a 32-bit register that is loaded with a device and vendor specific 32-bit code when the controller is put in Capture-DR state with
the IDCODE command loaded in the Instruction Register. The code is loaded from a 32-bit on-chip ROM. It describes various attributes of the
RAM as indicated below. The register is then placed between the TDI and TDO pins when the controller is moved into Shift-DR state. Bit 0 in the
register is the LSB and the first to reach TDO when shifting begins.
ID Register Contents
Die
Revision
Code
Not Used
I/O
Configuration
GSI Technology
JEDEC Vendor
ID Code
P
Bit #
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
0
x36
X
X
X
X
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0 1 1 0 1 1 0 0 1
1
相關(guān)PDF資料
PDF描述
GS8170DW72C-200I 18Mb ヒ1x1Dp CMOS I/O Double Late Write SigmaRAM
GS8170DW72C-250 18Mb ヒ1x1Dp CMOS I/O Double Late Write SigmaRAM
GS8170DW72C-250I 18Mb ヒ1x1Dp CMOS I/O Double Late Write SigmaRAM
GS8170DW72C-300 18Mb ヒ1x1Dp CMOS I/O Double Late Write SigmaRAM
GS8170DW72C-300I 18Mb ヒ1x1Dp CMOS I/O Double Late Write SigmaRAM
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