EP3C5_1 Datasheet, PDF (24/34 Pages) Altera Corporation – Cyclone III Device Data Sheet

1–24
Chapter 1: Cyclone III Device Data Sheet
Switching Characteristics
Table 1–33 lists the transmitter channel-to-channel skew specifications for Cyclone III
devices.
Table 1–33. Cyclone III Devices Transmitter Channel-to-Channel Skew (TCCS) – Write Side (Note 1) (Part 1 of 2)
Memory
Standard
I/O Standard
DDR2 SDRAM
DDR SDRAM
QDRII SRAM
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
DDR2 SDRAM
DDR SDRAM
QDRII SRAM
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
DDR2 SDRAM
DDR SDRAM
QDRII SRAM
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
DDR2 SDRAM
DDR SDRAM
QDRII SRAM
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
DDR2 SDRAM
(2)
DDR SDRAM
SSTL-18 Class I
SSTL-18 Class II
SSTL-2 Class I
SSTL-2 Class II
Column I/Os (ps)
Lead
Lag
C6
790
380
870
490
750
320
860
350
780
410
830
510
C7
915
410
1025
545
880
340
1010
380
910
450
1010
570
C8
1040
440
1180
600
1010
360
1160
410
1040
490
1190
630
I7
961
431
1076
572
924
357
1061
399
956
473
1061
599
A7
1092
462
1239
630
1061
378
1218
431
Row I/Os (ps)
Lead
Lag
Wraparound Mode (ps)
Lead
Lag
790
380
890
480
870
490
970
590
750
320
850
420
860
350
960
450
780
410
880
510
830
510
930
610
915
410
1015
510
1025
545
1125
645
880
340
980
440
1010
380
1110
480
910
450
1010
550
1010
570
1110
670
1040
440
1140
540
1180
600
1280
700
1010
360
1110
460
1160
410
1260
510
1040
490
1140
590
1190
630
1290
730
961
431
1061
531
1076
572
1176
672
924
357
1024
457
1061
399
1161
499
956
473
1056
573
1061
599
1161
699
1092
462
1192
562
1239
630
1339
730
1061
378
1161
478
1218
431
1318
531
Cyclone III Device Handbook, Volume 2
© January 2010 Altera Corporation