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參數(shù)資料
| 型號(hào)： | GS832418B-250I |
| 廠商： | GSI TECHNOLOGY |
| 元件分類(lèi)： | DRAM |
| 英文描述： | 2M x 18, 1M x 36, 512K x 72 36Mb S/DCD Sync Burst SRAMs |
| 中文描述： | 2M X 18 CACHE SRAM, 6 ns, PBGA119 |
| 封裝： | 14 X 22 MM, 1.27 MM PITCH, BGA-119 |
| 文件頁(yè)數(shù)： | 35/46頁(yè) |
| 文件大小： | 1149K |
| 代理商： | GS832418B-250I |
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Rev: 1.00 10/2001
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
35/46
2001, Giga Semiconductor, Inc.
Preliminary
GS832418(B/C)/GS832436(B/C)/GS832472(C)
implemented in prescribed ways. The TAP on this device may be used to monitor all input and I/O pads, and can be used to load
address, data or control signals into the RAM or to preload the I/O buffers.
When the TAP controller is placed in Capture-IR state the two least significant bits of the instruction register are loaded with 01.
When the controller is moved to the Shift-IR state the Instruction Register is placed between TDI and TDO. In this state the desired
instruction is serially loaded through the TDI input (while the previous contents are shifted out at TDO). For all instructions, the
TAP executes newly loaded instructions only when the controller is moved to Update-IR state. The TAP instruction set for this
device is listed in the following table.
JTAG Tap Controller State Diagram
Instruction Descriptions
BYPASS
When the BYPASS instruction is loaded in the Instruction Register the Bypass Register is placed between TDI and TDO. This occurs when
the TAP controller is moved to the Shift-DR state. This allows the board level scan path to be shortened to facilitate testing of other devices
in the scan path.
SAMPLE/PRELOAD
SAMPLE/PRELOAD is a Standard 1149.1 mandatory public instruction. When the SAMPLE / PRELOAD instruction is loaded in the Instruc-
tion Register, moving the TAP controller into the Capture-DR state loads the data in the RAMs input and I/O buffers into the Boundary Scan
Register. Boundary Scan Register locations are not associated with an input or I/O pin, and are loaded with the default state identified in the
Select DR
Capture DR
0
Shift DR
Exit1 DR
Pause DR
Exit2 DR
Update DR
1
Select IR
Capture IR
0
Shift IR
Exit1 IR
Pause IR
Exit2 IR
Update IR
1
Test Logic Reset
Run Test Idle
0
1
0
1
1
0
1
1
1
0
0
1
1
0
0
0
0
1
1
0
0
0
0
0
1
1
1
1
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| GS832418C-133I | 2M x 18, 1M x 36, 512K x 72 36Mb S/DCD Sync Burst SRAMs |
| GS832418C-150 | 2M x 18, 1M x 36, 512K x 72 36Mb S/DCD Sync Burst SRAMs |
| GS832418C-150I | 2M x 18, 1M x 36, 512K x 72 36Mb S/DCD Sync Burst SRAMs |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| GS8324Z36B-133 | 制造商:GSI Technology 功能描述:SRAM SYNC QUAD 2.5V/3.3V 36MBIT 1MX36 10NS/4NS 119FBGA - Trays |
| GS8324Z36B-200I | 制造商:GSI Technology 功能描述:SRAM SYNC QUAD 2.5V/3.3V 36MBIT 1MX36 7.5NS/3NS 119FBGA - Trays |
| GS8324Z72C200 | 制造商:G.S.I. 功能描述: |
| GS8342D06BD-350 | 制造商:GSI Technology 功能描述:165 FBGA - Bulk |
| GS8342D06BD-500 | 制造商:GSI Technology 功能描述:165 FBGA - Bulk |
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