Chapter 1: Cyclone III Device Datasheet
1–27
Glossary
f
The Excel-based I/O Timing spreadsheet is downloadable from Cyclone III Devices
Literature website.
Glossary
Table 1–39 lists the glossary for this chapter.
Table 1–39. Glossary (Part 1 of 5)
Letter
Term
—
Definitions
A
B
C
D
E
—
—
—
—
—
—
—
—
—
F
fHSCLK
GCLK
HIGH-SPEED I/O Block: High-speed receiver/transmitter input and output clock frequency.
Input pin directly to Global Clock network.
G
H
GCLK PLL
HSIODR
Input pin to Global Clock network through PLL.
HIGH-SPEED I/O Block: Maximum/minimum LVDS data transfer rate (HSIODR = 1/TUI).
VIH
Input Waveforms
for the SSTL
Differential I/O
Standard
I
VSWING
VREF
VIL
TMS
TDI
tJCP
tJPSU_TDI
tJPSU_TMS
tJCH
t JCL
tJPH
TCK
TDO
J
JTAG Waveform
tJPXZ
tJPZX
tJPCO
tJSSU
tJSH
Signal
to be
Captured
tJSZX
tJSCO
tJSXZ
Signal
to be
Driven
K
L
—
—
—
—
—
—
M
July 2012 Altera Corporation
Cyclone III Device Handbook
Volume 2