EP3C55F484I7 Altera, EP3C55F484I7 Datasheet - Page 67

• Manufacturer Part Number: EP3C55F484I7
• Description: IC CYCLONE III FPGA 55K 484 FBGA
• Manufacturer: Altera
• Series: Cyclone® IIIr

Specifications of EP3C55F484I7

• Number Of Logic Elements/cells: 55856
• Number Of Labs/clbs: 3491
• Total Ram Bits: 2396160
• Number Of I /o: 327
• Voltage - Supply: 1.15 V ~ 1.25 V
• Mounting Type: Surface Mount
• Operating Temperature: -40°C ~ 100°C
• Package / Case: 484-FBGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Number Of Gates: -

Chapter 2: Cyclone III LS Device Data Sheet
Switching Characteristics
Table 2–33. Cyclone III LS Devices Transmitter Channel-to-Channel Skew (TCCS)—Write Side
Table 2–34. Cyclone III LS Devices Memory Output Clock Jitter Specifications
© December 2009
DDR2 SDRAM
DDR SDRAM
QDRII SRAM
DDR2 SDRAM
DDR SDRAM
QDRII SRAM
DDR2 SDRAM
DDR SDRAM
QDRII SRAM
Note to
(1) Column I/O banks refer to top and bottom I/Os. Row I/O banks refer to right and left I/Os. Wraparound mode refers to the combination of column
Clock period jitter
Cycle-to-cycle period jitter
Duty cycle jitter
Notes to
(1) The memory output clock jitter measurements are for 200 consecutive clock cycles, as specified in the JEDEC DDR2 standard.
(2) The clock jitter specification applies to memory output clock pins generated using DDIO circuits clocked by a PLL output routed on a global
Memory Standard
and row I/Os.
clock network.
Table
Table
2–33:
2–34:
Parameter
Altera Corporation
Table 2–34
SSTL-18 Class I
SSTL-18 Class II
SSTL-2 Class I
SSTL-2 Class II
1.8-V HSTL Class I
1.8-V HSTL Class II
SSTL-18 Class I
SSTL-18 Class II
SSTL-2 Class I
SSTL-2 Class II
1.8-V HSTL Class I
1.8-V HSTL Class II
SSTL-18 Class I
SSTL-18 Class II
SSTL-2 Class I
SSTL-2 Class II
1.8-V HSTL Class I
1.8-V HSTL Class II
I/O Standard
lists the Cyclone III LS devices memory ouput clock jitter specifications.
t
t
t
J IT
J IT
J IT
(per)
(cc)
(duty)
1025
1010
1010
1040
1180
1010
1160
1040
1190
1076
1061
1061
Lead
Column I/Os (ps)
915
880
910
961
924
956
Symbol
C7
C8
I7
410
545
340
380
450
570
440
600
360
410
490
630
431
572
357
399
473
599
Lag
Lead
1025
1010
1010
1040
1180
1010
1160
1040
1190
1076
1061
1061
–125
–200
–150
915
880
910
961
924
956
Min
Row I/Os (ps)
(Note 1), (2)
Lag
410
545
340
380
450
570
440
600
360
410
490
630
431
572
357
399
473
599
Cyclone III Device Handbook, Volume 2
Max
(Note 1)
125
200
150
Wraparound Mode (ps)
1015
1125
1010
1010
1110
1140
1280
1110
1260
1140
1290
1061
1176
1024
1161
1056
1161
Lead
980
Unit
ps
ps
ps
510
645
440
550
670
540
700
460
510
590
730
531
672
457
499
573
699
Lag
480
2–23