EP1AGX ALTERA [Altera Corporation], EP1AGX Datasheet - Page 227

• Manufacturer Part Number: EP1AGX
• Description: Section I. Arria GX Device Data Sheet
• Manufacturer: ALTERA [Altera Corporation]

Chapter 4: DC and Switching Characteristics
External Memory Interface Specifications
Table 4–117. Fast PLL Specifications (Part 2 of 2)
External Memory Interface Specifications
© December 2009 Altera Corporation
t
Note to
(1) This is limited by the I/O f
ARESET_RECONFIG
Table
Name
4–117:
Table 4–118
circuitry used for interfacing with external memory devices.
Table 4–118. DLL Frequency Range Specifications
Table 4–119. DQS Jitter Specifications for DLL-Delayed Clock (tDQS_JITTER) ,
Table 4–120. DQS Phase-Shift Error Specifications for DLL-Delayed Clock (t
Notes to
(1) Peak-to-peak period jitter on the phase-shifted DQS clock. For example, jitter on two delay stages under
(2) Delay stages used for requested DQS phase shift are reported in a project’s Compilation Report in the Quartus II
Number of DQS Delay Buffer Stages
Minimum pulse width
on the
when using PLL
reconfiguration. Reset
the PLL after
scandone
MAX
Number of DQS Delay Buffer Stages
commercial conditions is 200 ps peak-to-peak or 100 ps.
software.
.
Description
areset
Table
Frequency Mode
goes high.
through
4–119:
signal
0
1
2
1
2
3
4
1
2
3
4
Table 4–122
Min
500
list Arria GX device specifications for the dedicated
(2)
Typ
—
Commercial (ps)
Frequency Range (MHz)
110
130
160
80
100 to 175
150 to 230
200 to 310
–6 Speed Grade (ps)
Max
—
105
140
35
70
Arria GX Device Handbook, Volume 1
DQS_PSERR
Industrial (ps)
Units
(Note 1)
ns
110
130
180
210
)
4–105