參數(shù)資料
型號: IDT72T54262L5BBI
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: 2.5V QUAD/DUAL TeraSync⑩ DDR/SDR FIFO x10 QUAD FIFO or x10/x20 DUAL FIFO CONFIGURATIONS
中文描述: 512K X 10 OTHER FIFO, 3.6 ns, PBGA324
封裝: 19 X 19 MM, 1 MM PITCH, PLASTIC, BGA-324
文件頁數(shù): 29/56頁
文件大?。?/td> 555K
代理商: IDT72T54262L5BBI
29
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
IDT72T54242/72T54252/72T54262 2.5V QUAD/DUAL TeraSync
DDR/SDR FIFO
32K x 10 x 4/16K x 20 x 2, 64K x 10 x 4/32K x 20 x 2 and 128K x 10 x 4/64K x 20 x 2
MARCH 22, 2005
JTAG TIMING SPECIFICATIONS
(IEEE 1149.1 COMPLIANT)
The JTAG test port in this device is fully compliant with the IEEE Standard
Test Access Port (IEEE 1149.1) specifications. Five additional pins (TDI, TDO,
TMS, TCK and
TRST
) are provided to support the JTAG boundary scan
interface. Note that IDT provides appropriate Boundary Scan Description
Language programfiles for these devices.
The Standard JTAG interface consists of five basic elements:
Test Access Port (TAP)
TAP controller
Instruction Register (IR)
Data Register Port (DR)
Bypass Register (BYR)
The following sections provide a brief description of each element. For a
complete description refer to the IEEE Standard Test Access Port Specification
(IEEE Std. 1149.1-1990).
The Figure below shows the standard Boundary-Scan Architecture
Figure 8. JTAG Architecture
TEST ACCESS PORT (TAP)
The TAP interface is a general-purpose port that provides access to the
internal JTAG state machine. It consists of four input ports (TCLK, TMS, TDI,
TRST
) and one output port (TDO).
THE TAP CONTROLLER
The TAP controller is a synchronous finite state machine that responds to
TMS and TCLK signals to generate clock and control signals to the Instruction
and Data Registers for capture and updating of data passed through the TDI
serial input.
In Pad
In Pad
Incell
Incell
Core
Logic
Outcell
Outcell
Out Pad
Out Pad
All outputs
All inputs
Eg: Dins, Clks
(BSDL file
describes the
chain order)
ID
Bypass
Instruction
Register
TAP
TMS
TDI
TCK
TRST
Instruction
Select
Enable
TDO
6158 drw13
相關PDF資料
PDF描述
IDT72T54242 2.5V QUAD/DUAL TeraSync⑩ DDR/SDR FIFO x10 QUAD FIFO or x10/x20 DUAL FIFO CONFIGURATIONS
IDT72T54242L5BB 2.5V QUAD/DUAL TeraSync⑩ DDR/SDR FIFO x10 QUAD FIFO or x10/x20 DUAL FIFO CONFIGURATIONS
IDT72T54242L5BBI 2.5V QUAD/DUAL TeraSync⑩ DDR/SDR FIFO x10 QUAD FIFO or x10/x20 DUAL FIFO CONFIGURATIONS
IDT72T54252 2.5V QUAD/DUAL TeraSync⑩ DDR/SDR FIFO x10 QUAD FIFO or x10/x20 DUAL FIFO CONFIGURATIONS
IDT72T54252L5BB 2.5V QUAD/DUAL TeraSync⑩ DDR/SDR FIFO x10 QUAD FIFO or x10/x20 DUAL FIFO CONFIGURATIONS
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