5–24
Chapter 5: DC and Switching Characteristics
Timing Model and Specifications
Table 5–31.
MAX II IOE Programmable Delays
MAX II / MAX IIG
–3 Speed
Grade
Parameter
Input Delay from Pin to
Internal Cells = 1
Input Delay from Pin to
Internal Cells = 0
Min
—
—
Max
1,225
89
–4 Speed
Grade
Min
—
—
Max
1,592
115
–5 Speed
Grade
Min
—
—
Max
1,960
142
–6 Speed
Grade
Min
—
—
Max
1,858
569
MAX IIZ
–7 Speed
Grade
Min
—
—
Max
2,171
609
–8 Speed
Grade
Min
—
—
Max
2,214
616
Unit
ps
ps
Maximum Input and Output Clock Rates
and
show the maximum input and output clock rates for
standard I/O pins in MAX II devices.
Table 5–32.
MAX II Maximum Input Clock Rate for I/O
MAX II / MAX IIG
I/O Standard
3.3-V LVTTL
Without Schmitt
Trigger
With Schmitt
Trigger
3.3-V LVCMOS
Without Schmitt
Trigger
With Schmitt
Trigger
2.5-V LVTTL
Without Schmitt
Trigger
With Schmitt
Trigger
2.5-V LVCMOS
Without Schmitt
Trigger
With Schmitt
Trigger
1.8-V LVTTL
1.8-V LVCMOS
1.5-V LVCMOS
3.3-V PCI
Without Schmitt
Trigger
Without Schmitt
Trigger
Without Schmitt
Trigger
Without Schmitt
Trigger
–3 Speed
Grade
304
250
304
250
220
188
220
188
200
200
150
304
–4 Speed
Grade
304
250
304
250
220
188
220
188
200
200
150
304
–5 Speed
Grade
304
250
304
250
220
188
220
188
200
200
150
304
–6 Speed
Grade
304
250
304
250
220
188
220
188
200
200
150
304
MAX IIZ
–7 Speed
Grade
304
250
304
250
220
188
220
188
200
200
150
304
–8 Speed
Grade
304
250
304
250
220
188
220
188
200
200
150
304
Unit
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
INTEL [ INTEL CORPORATION ]
