EPM3256A ALTERA [Altera Corporation], EPM3256A Datasheet - Page 30

• Manufacturer Part Number: EPM3256A
• Description: Programmable Logic Device Family
• Manufacturer: ALTERA [Altera Corporation]

MAX 3000A Programmable Logic Device Family Data Sheet
30
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
f
t
f
Symbol
PIA
LPA
PD1
PD2
SU
H
CO1
CH
CL
ASU
AH
ACO1
ACH
ACL
CPPW
CNT
CNT
ACNT
ACNT
Table 18. EPM3128A Internal Timing Parameters (Part 2 of 2)
Table 19. EPM3256A External Timing Parameters
Symbol
PIA delay
Low–power adder
Input to non–registered
output
I/O input to non–registered
output
Global clock setup time
Global clock hold time
Global clock to output
delay
Global clock high time
Global clock low time
Array clock setup time
Array clock hold time
Array clock to output delay C1 = 35 pF
Array clock high time
Array clock low time
Minimum pulse width for
clear and preset
Minimum global clock
period
Maximum internal global
clock frequency
Minimum array clock
period
Maximum internal array
clock frequency
Parameter
Parameter
(2)
(5)
C1 = 35 pF
C1 = 35 pF
(2)
(2)
C1 = 35 pF
(2)
(2)
(3)
(2)
(2),
(2)
(2),
Conditions
Conditions
(4)
(4)
(2)
(2)
(2)
Note (1)
Min
126.6
126.6
Min
5.2
0.0
1.0
3.0
3.0
2.7
0.3
1.0
3.0
3.0
3.0
–5
Max
1.4
4.0
–7
Note (1)
Speed Grade
Max
Speed Grade
7.5
7.5
4.8
7.3
7.9
7.9
Min
–7
Max
2.0
4.0
95.2
95.2
Min
6.9
0.0
1.0
4.0
4.0
3.6
0.5
1.0
4.0
4.0
4.0
Min
–10
Altera Corporation
–10
10.5
10.5
Max
6.4
9.7
10
10
Max
2.6
5.0
MHz
MHz
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns