ep1agx50d Altera Corporation, ep1agx50d Datasheet - Page 195

• Manufacturer Part Number: ep1agx50d
• Description: Arria Gx Device Data Sheet
• Manufacturer: Altera Corporation

Altera Corporation
May 2008
Notes to
(1)
(2)
(3)
(4)
(5)
(6)
1.8-V HSTL Class II
1.5-V HSTL Class I
1.5-V HSTL Class II
1.2-V HSTL with OCT
Differential SSTL-2 Class I
Differential SSTL-2 Class II
Differential SSTL-18 Class I
Differential SSTL-18 Class II
1.5-V differential HSTL Class I
1.5-V differential HSTL Class II
1.8-V differential HSTL Class I
1.8-V differential HSTL Class II
LVDS
LVPECL
Clock skew adder
EP1AGX20/35
Clock skew adder
EP1AGX50/60
Table 4–45. Timing Measurement Methodology for Input Pins
Table 4–46. Clock Network Specifications (Part 1 of 2)
Input buffer sees no load at buffer input.
Input measuring point at buffer input is 0.5 V
Output measuring point is 0.5 V
Input edge rate is 1 V/ns.
Less than 50-mV ripple on V
V
CCPD
Table
Name
= 2.97 V, less than 50-mV ripple on V
I/O Standard
4–45:
(1)
(1)
Inter-clock network, same side
Inter-clock network, entire chip
Inter-clock network, same side
Inter-clock network, entire chip
Clock Network Skew Adders
The Quartus II software models skew within dedicated clock networks
such as global and regional clocks. Therefore, the intra-clock network
skew adder is not specified.
any two clock networks driving registers in the I/O element (IOE).
CCIO
CC
and V
at internal node.
Description
CCPD
V
CCIO
, V
CCIO
1.660
1.375
1.375
1.140
2.325
2.325
1.660
1.660
1.375
1.375
1.660
1.660
2.325
3.135
CCIO
CCINT
and V
(V)
.
Measurement Conditions
= 1.15 V with less than 30-mV ripple.
CCPD
, V
V
Table 4–46
0.830
0.688
0.688
0.570
1.163
1.163
0.830
0.830
0.688
0.688
0.830
0.830
REF
CCINT
(V)
Notes
= 1.15 V.
Min
Arria GX Device Handbook, Volume 1
Edge Rate (ns)
(1), (2), (3),
specifies the clock skew between
DC and Switching Characteristics
1.660
1.375
1.375
1.140
2.325
2.325
1.660
1.660
1.375
1.375
1.660
1.660
0.100
0.100
Typ
(4)
Measurement Point
(Part 2 of 2)
± 100
± 100
Max
± 50
± 50
VMEAS (V)
0.6875
0.6875
1.1625
1.1625
0.6875
0.6875
1.1625
1.5675
0.570
0.83
0.83
0.83
0.83
0.83
Unit
ps
ps
ps
ps
4–41