
36 Altera Corporation
MAX 3000A Programmable Logic Device Family Data Sheet
t
ZX3
Output buffer enable delay, slow
slew rate = on
V
CCIO
= 2.5 V or 3.3 V
C1 = 35 pF 9.0 10.0 ns
t
XZ
Output buffer disable delay C1 = 5 pF 4.0 5.0 ns
t
SU
Register setup time 2.1 2.9 ns
t
H
Register hold time 0.9 1.2 ns
t
RD
Register delay 1.2 1.6 ns
t
COMB
Combinatorial delay 0.8 1.2 ns
t
IC
Array clock delay 1.6 2.1 ns
t
EN
Register enable time 1.0 1.3 ns
t
GLOB
Global control delay 1.5 2.0 ns
t
PRE
Register preset time 2.3 3.0 ns
t
CLR
Register clear time 2.3 3.0 ns
t
PIA
PIA delay (2) 2.4 3.2 ns
t
LPA
Low–power adder (5) 4.0 5.0 ns
Table 24. EPM3512A External Timing Parameters Note (1)
Symbol Parameter Conditions Speed Grade Unit
-7 -10
Min Max Min Max
t
PD1
Input to non-registered output C1 = 35 pF (2) 7.5 10.0 ns
t
PD2
I/O input to non-registered
output
C1 = 35 pF (2) 7.5 10.0 ns
t
SU
Global clock setup time (2) 5.6 7.6 ns
t
H
Global clock hold time (2) 0.0 0.0 ns
t
FSU
Global clock setup time of fast
input
3.0 3.0 ns
t
FH
Global clock hold time of fast
input
0.0 0.0 ns
t
CO1
Global clock to output delay C1 = 35 pF 1.0 4.7 1.0 6.3 ns
t
CH
Global clock high time 3.0 4.0 ns
t
CL
Global clock low time 3.0 4.0 ns
t
ASU
Array clock setup time (2) 2.5 3.5 ns
Table 23. EPM3256A Internal Timing Parameters (Part 2 of 2) Note (1)
Symbol Parameter Conditions Speed Grade Unit
–7 –10
Min Max Min Max