參數(shù)資料
型號: DK-DEV-4SGX230N
廠商: Altera
文件頁數(shù): 72/82頁
文件大小: 0K
描述: KIT DEVELOPMENT STRATIX IV
產(chǎn)品培訓(xùn)模塊: Three Reasons to Use FPGA's in Industrial Designs
特色產(chǎn)品: Stratix? IV GX FPGA Development Kit
標(biāo)準(zhǔn)包裝: 1
系列: Stratix® IV GX
類型: FPGA
適用于相關(guān)產(chǎn)品: EP4SGX230K
所含物品: 開發(fā)板、通用電源、纜線和軟件
產(chǎn)品目錄頁面: 607 (CN2011-ZH PDF)
相關(guān)產(chǎn)品: EP4SGX230KF40C3N-ND - IC STRATIX IV FPGA 230K 1517FBGA
EP4SGX230KF40C3-ND - IC STRATIX IV FPGA 230K 1517FBGA
EP4SGX230HF35C3N-ND - IC STRATIX IV GX 230K 1152-FBGA
EP4SGX230HF35C3-ND - IC STRATIX IV GX 230K 1152-FBGA
EP4SGX230FF35C3NES-ND - IC STRATIX IV GX 230K 1152-FBGA
EP4SGX230FF35C3ES-ND - IC STRATIX IV GX 230K 1152-FBGA
EP4SGX230DF29C3NES-ND - IC STRATIX IV GX 230K 780-FBGA
EP4SGX230DF29C3ES-ND - IC STRATIX IV GX 230K 780-FBGA
其它名稱: 544-2594
1–66
Chapter 1: DC and Switching Characteristics for Stratix IV Devices
Glossary
Stratix IV Device Handbook
March 2014
Altera Corporation
Volume 4: Device Datasheet and Addendum
S
SW (sampling
window)
Timing Diagram—the period of time during which the data must be valid in order to capture
it correctly. The setup and hold times determine the ideal strobe position within the sampling
window, as shown:
Single-ended
voltage
referenced I/O
standard
The JEDEC standard for SSTl and HSTL I/O defines both the AC and DC input signal values.
The AC values indicate the voltage levels at which the receiver must meet its timing
specifications. The DC values indicate the voltage levels at which the final logic state of the
receiver is unambiguously defined. After the receiver input has crossed the AC value, the
receiver changes to the new logic state.
The new logic state is then maintained as long as the input stays beyond the AC threshold.
This approach is intended to provide predictable receiver timing in the presence of input
waveform ringing, as shown:
Single-Ended Voltage Referenced I/O Standard
T
tC
High-speed receiver/transmitter input and output clock period.
TCCS (channel-
to-channel-skew)
The timing difference between the fastest and slowest output edges, including tCO variation
and clock skew, across channels driven by the same PLL. The clock is included in the TCCS
measurement (refer to the Timing Diagram figure under SW in this table).
tDUTY
High-speed I/O block: Duty cycle on high-speed transmitter output clock.
Timing Unit Interval (TUI)
The timing budget allowed for skew, propagation delays, and data sampling window.
(TUI = 1/(Receiver Input Clock Frequency Multiplication Factor) = tC/w)
tFALL
Signal high-to-low transition time (80-20%)
tINCCJ
Cycle-to-cycle jitter tolerance on the PLL clock input
tOUTPJ_IO
Period jitter on the general purpose I/O driven by a PLL
tOUTPJ_DC
Period jitter on the dedicated clock output driven by a PLL
tRISE
Signal low-to-high transition time (20-80%)
U
——
Table 1–54. Glossary Table (Part 3 of 4)
Letter
Subject
Definitions
Bit Time
0.5 x TCCS
RSKM
Sampling Window
(SW)
RSKM
0.5 x TCCS
VIH(AC)
VIH(DC)
VREF
VIL(DC)
VIL(AC)
VOH
VOL
VCCIO
VSS
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