EPM2210 Altera Corporation, EPM2210 Datasheet - Page 83

• Manufacturer Part Number: EPM2210
• Description: (EPMxxxx) JTAG & In-System Programmability
• Manufacturer: Altera Corporation

Altera Corporation
December 2004
Note to
(1)
t
t
t
t
t
t
t
t
f
PD1
PD2
SU
H
CO
CH
CL
CNT
CNT
Table 5–25. EPM1270 Global Clock External I/O Timing Parameters
Symbol
The maximum frequency is limited by the I/O standard on the clock input pin. The 16-bit counter critical delay
performs faster than this global clock input pin maximum frequency.
Table 5–25
Worst case
pin to pin
delay through
1 look-up
table (LUT)
Best case pin
to pin delay
through 1
LUT
Global clock
setup time
Global clock
hold time
Global clock
to output
delay
Global clock
high time
Global clock
low time
Minimum
global clock
period for
16-bit
counter
Maximum
global clock
frequency for
16-bit
counter
Parameter
:
Table 5–25
devices
Condition
10 pF
10 pF
10 pF
Core Version a.b.c variable
shows the external I/O timing parameters for EPM1270
-3 Speed Grade
Min
170
170
1.4
0.0
2.0
3.3
304.0
Max
6.3
3.7
4.6
(1)
-4 Speed Grade
Min
221
221
1.8
0.0
2.0
4.0
MAX II Device Handbook, Volume 1
249.9
Max
8.2
4.8
6.0
DC & Switching Characteristics
-5 Speed Grade
Min
272
272
2.2
0.0
2.0
4.9
202.9
Max
10.1
6.0
7.3
MHz
Unit
ns
ns
ns
ns
ns
ps
ps
ns
5–21