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EP4CE6E22C8N Datasheet, PDF (14/42 Pages) Altera Corporation – Cyclone IV Device Datasheet | |||
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1â14
Chapter 1: Cyclone IV Device Datasheet
Operating Conditions
f For more information about receiver input and transmitter output waveforms, and for
other differential I/O standards, refer to the I/O Features in Cyclone IV Devices chapter.
Table 1â18. Differential SSTL I/O Standard Specifications for Cyclone IV Devices (1)
I/O Standard
VCCIO (V)
VSwing(DC) (V)
VX(AC) (V)
Min Typ Max Min Max
Min
Typ
SSTL-2
Class I, II
2.375 2.5 2.625 0.36 VCCIO VCCIO/2 â 0.2 â
SSTL-18
Class I, II
1.7
1.8 1.90 0.25 VCCIO
VCCIO/2 â
0.175
â
Note to Table 1â18:
(1) Differential SSTL requires a VREF input.
Max
VCCIO/2
+ 0.2
VCCIO/2
+ 0.175
VSwing(AC)
(V)
Min Max
0.7 VCCI
O
0.5 VCCI
O
VOX(AC) (V)
Min
VCCIO/2 â
0.125
VCCIO/2 â
0.125
Typ Max
â
VCCIO/2
+ 0.125
â
VCCIO/2
+ 0.125
Table 1â19. Differential HSTL I/O Standard Specifications for Cyclone IV Devices (1)
I/O Standard
VCCIO (V)
Min Typ Max
VDIF(DC) (V)
Min Max
VX(AC) (V)
Min Typ Max
VCM(DC) (V)
Min Typ Max
HSTL-18
Class I, II
1.71 1.8 1.89 0.2 â
0.85
â
HSTL-15
Class I, II
1.425 1.5 1.575 0.2 â
0.71
â
HSTL-12
Class I, II
1.14 1.2 1.26 0.16 VCCIO 0.48 x VCCIO â
Note to Table 1â19:
(1) Differential HSTL requires a VREF input.
0.95
0.79
0.52 x
VCCIO
0.85 â 0.95
0.71 â 0.79
0.48 x
VCCIO
â
0.52 x
VCCIO
VDIF(AC) (V)
Mi
n
Max
0.4 â
0.4 â
0.3
0.48 x
VCCIO
Table 1â20. Differential I/O Standard Specifications for Cyclone IV Devices (1) (Part 1 of 2)
I/O Standard
VCCIO (V)
VID (mV)
Min Typ Max Min Max Min
VIcM (V) (2)
Condition
VOD (mV) (3)
VOS (V) (3)
Max Min Typ Max Min Typ Max
LVPECL
(Row I/Os)
(6)
LVPECL
(Column
I/Os) (6)
LVDS (Row
I/Os)
2.375 2.5
2.375 2.5
2.375 2.5
2.625 100 â
2.625 100 â
2.625 100 â
0.05 DMAXï ï£ï 500 Mbps 1.80
0.55
500 Mbps ï£ DMAX
ï£ 700 Mbps
1.80
â
â
â
â
â
â
1.05 DMAX > 700 Mbps 1.55
0.05 DMAXï ï£ 500 Mbps 1.80
0.55
500 Mbps ï£ DMAX
ï£ï 700 Mbps
1.80
â
â
â
â
â
â
1.05 DMAX > 700 Mbps 1.55
0.05 DMAXï ï£ 500 Mbps 1.80
0.55
500 Mbps ï£ DMAX
ï£ 700 Mbps
1.80
247
â
600 1.125 1.25
1.375
1.05 DMAX > 700 Mbps 1.55
Cyclone IV Device Handbook,
Volume 3
May 2013 Altera Corporation
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