Chapter 5: DC and Switching Characteristics
Timing Model and Specifications
5–25
Table 5–33.
MAX II Maximum Output Clock Rate for I/O
MAX II / MAX IIG
I/O Standard
3.3-V LVTTL
3.3-V LVCMOS
2.5-V LVTTL
2.5-V LVCMOS
1.8-V LVTTL
1.8-V LVCMOS
1.5-V LVCMOS
3.3-V PCI
304
304
220
220
200
200
150
304
–3 Speed
Grade
304
304
220
220
200
200
150
304
–4 Speed
Grade
304
304
220
220
200
200
150
304
–5 Speed
Grade
304
304
220
220
200
200
150
304
–6 Speed
Grade
304
304
220
220
200
200
150
304
MAX IIZ
–7 Speed
Grade
304
304
220
220
200
200
150
304
–8 Speed
Grade
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
JTAG Timing Specifications
shows the timing waveforms for the JTAG signals.
Figure 5–6.
MAX II JTAG Timing Waveforms
TMS
TDI
t
JCP
t
JCH
t
JCL
t
JPSU
t
JPH
TCK
t
JPZX
t
JPCO
t
JSSU
t
JSH
t
JPXZ
TDO
Signal
to
be
Captured
Signal
to
be
Driven
t
JSZX
t
JSCO
t
JSXZ
shows the JTAG Timing parameters and values for MAX II devices.
Table 5–34.
MAX II JTAG Timing Parameters (Part 1 of 2)
Symbol
t
JC P
Parameter
TCK
clock period for V
C CIO1
= 3.3 V
TCK
clock period for V
C CIO1
= 2.5 V
TCK
clock period for V
C CIO1
= 1.8 V
TCK
clock period for V
C CIO1
= 1.5 V
t
JC H
t
JC L
TCK
clock high time
TCK
clock low time
Min
55.5
62.5
100
143
20
20
Max
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
INTEL [ INTEL CORPORATION ]
