參數(shù)資料
型號(hào)： GS8342Q08AE-278
廠商： GSI TECHNOLOGY
元件分類： SRAM
英文描述： 4M X 8 DDR SRAM, 0.45 ns, PBGA165
封裝： 15 X 17 MM, 1 MM PITCH, FPBGA-165
文件頁(yè)數(shù)： 19/35頁(yè)
文件大小： 1045K
代理商： GS8342Q08AE-278
GS8342Q08/09/18/36AE-278/250/200/167
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev: 1.06a 7/2008
26/35
2006, GSI Technology
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.
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
Not Used
GSI Technology
JEDEC Vendor
ID Code
Pr
esence
Register
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
X X X X X X X X X X X X X X X X X X X X 0
0 0 1 1 0 1 1 0 0 1
1
Instruction Register
ID Code Register
Boundary Scan Register
0
1
2
0
31 30 29
1
2
0
Bypass Register
TDI
TDO
TMS
TCK
Test Access Port (TAP) Controller
108
1
0
Control Signals
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
GS8342Q09AE-250 制造商:GSI Technology 功能描述:SRAM SYNC DUAL 1.8V 36MBIT 4M X 9 0.45NS 165FPBGA - Trays
GS8342Q10BD-200 制造商:GSI Technology 功能描述:165 FBGA - Bulk
GS8342Q18AE-167 制造商:GSI 功能描述: 制造商:GSI Technology 功能描述:
GS8342Q18AE-167I 制造商:GSI Technology 功能描述:SRAM SYNC DUAL 1.8V 36MBIT 2MX18 0.5NS 165FPBGA - Trays
GS8342Q18AE-200 制造商:GSI Technology 功能描述:SRAM SYNC DUAL 1.8V 36MBIT 2MX18 0.45NS 165FPBGA - Trays
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