EP3C5_1 Datasheet, PDF (12/34 Pages) Altera Corporation – Cyclone III Device Data Sheet

1–12
Chapter 1: Cyclone III Device Data Sheet
Electrical Characteristics
Table 1–14. Cyclone III Devices Single-Ended SSTL and HSTL I/O Reference Voltage Specifications (Note 1)
I/O
V_CCIO (V)
VREF (V)
Standard _{Min Typ Max}
Min
Typ
Max
SSTL-2
Class I, II
2.375 2.5 2.625
1.19
1.25
1.31
SSTL-18
Class I, II
1.7 1.8 1.9
0.833
0.9
0.969
HSTL-18
Class I, II
1.71 1.8 1.89
0.85
0.9
0.95
HSTL-15
Class I, II
1.425 1.5 1.575
0.71
0.75
0.79
HSTL-12
Class I, II
1.14 1.2 1.26 ^{0.48 * VCCIO (3) 0.5 * VCCIO (3) 0.52 * VCCIO (3)}
0.47 * V_CCIO (4) 0.5 * V_CCIO (4) 0.53 * V_CCIO (4)
Notes to Table 1–14:
(1) For an explanation of terms used in Table 1–14, refer to “Glossary” on page 1–27.
(2) VTT of transmitting device must track VREF of the receiving device.
(3) Value shown refers to DC input reference voltage, VREF(DC).
(4) Value shown refers to AC input reference voltage, V . REF(AC)
VTT (V) (Note 2)
Min
Typ
Max
V_REF – 0.04
V_REF
V_REF + 0.04
V_REF – 0.04
V_REF
V_REF + 0.04
0.85
0.9
0.95
0.71
0.75
0.79
—
0.5 * V_CCIO
—
Table 1–15. Cyclone III Devices Single-Ended SSTL and HSTL I/O Standards Signal Specifications
I/O
Standard
V_IL(DC) (V)
Min Max
SSTL-2
Class I
—
V_REF –
0.18
SSTL-2
Class II
—
V_REF –
0.18
SSTL-18
Class I
—
V_REF –
0.125
SSTL-18
Class II
—
V_REF –
0.125
HSTL-18
Class I
—
V_REF –
0.1
HSTL-18
Class II
—
V_REF –
0.1
HSTL-15
Class I
—
V_REF –
0.1
HSTL-15
Class II
—
V_REF –
0.1
HSTL-12
Class I
–0.15
V_REF –
0.08
HSTL-12
Class II
–0.15
V_REF –
0.08
VIH(DC) (V)
VIL(AC) (V)
Min
Max
Min Max
VREF +
0.18
VREF +
0.18
VREF +
0.125
VREF +
0.125
VREF +
0.1
VREF +
0.1
VREF +
0.1
VREF +
0.1
VREF +
0.08
VREF +
0.08
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
V_CCIO + 0.15 –0.24
V_CCIO + 0.15 –0.24
V_REF –
0.35
V_REF –
0.35
V_REF –
0.25
V_REF –
0.25
V_REF –
0.2
V_REF –
0.2
V_REF –
0.2
V_REF –
0.2
V_REF –
0.15
V_REF –
0.15
VIH(AC) (V)
Min
Max
VREF +
0.35
VREF +
0.35
VREF +
0.25
VREF +
0.25
VREF +
0.2
VREF +
0.2
VREF +
0.2
VREF +
0.2
VREF +
0.15
VREF +
0.15
—
—
—
—
—
—
—
—
V_CCIO + 0.24
V_CCIO + 0.24
VOL (V)
Max
V_TT –
0.57
V_TT –
0.76
V_TT –
0.475
0.28
0.4
0.4
0.4
0.4
0.25 ×
V_{CC IO}
0.25 ×
V_{CC IO}
VOH (V)
Min
VTT +
0.57
IOL
IOH
(mA) (mA)
8.1 –8.1
V_TT + 0.76 16.4 –16.4
VTT +
0.475
V – _CCIO
0.28
6.7 –6.7
13.4 –13.4
V_CCIO – 0.4 8
–8
V – _CCIO
0.4
16 –16
V – _CCIO
0.4
8
–8
V – _CCIO
0.4
16 –16
0.75 ×
V_{C CI O}
8
–8
0.75 ×
V_{C CI O}
14
–14
f For more illustrations of receiver input and transmitter output waveforms, and for
other differential I/O standards, refer to the High-Speed Differential Interfaces in
Cyclone III Devices chapter.
Cyclone III Device Handbook, Volume 2
© January 2010 Altera Corporation