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EP4SE230F29I4N Datasheet, PDF (22/82 Pages) Altera Corporation – Stratix IV Device Handbook
Chapter 1: DC and Switching Characteristics for Stratix IV Devices
Electrical Characteristics
1–14
Table 1–21. Differential HSTL I/O Standards
I/O
Standard
HSTL-18
Class I
HSTL-15
Class I, II
HSTL-12
Class I, II
VCCIO (V)
Min Typ Max
1.71 1.8 1.89
1.425 1.5 1.575
1.14 1.2 1.26
VDIF(DC) (V)
Min Max
0.2 —
0.2 —
0.16
VCCIO
+ 0.3
VX(AC) (V)
Min Typ Max
0.78 — 1.12
0.68 — 0.9
—
0.5*
VCCIO
—
VCM(DC) (V)
Min Typ Max
0.78 — 1.12
0.68
0.4*
VCCIO
—
0.5*
VCCIO
0.9
0.6*
VCCIO
VDIF(AC) (V)
Min Max
0.4 —
0.4 —
0.3
VCCIO
+ 0.48
Table 1–22. Differential I/O Standard Specifications (1), (2) (Part 1 of 2)
I/O
Standard
VCCIO (V) (3)
VID (mV)
VICM(DC) (V)
Min Typ Max Min Condition Max Min Condition Max
VOD (V) (4)
Min Typ Max
VOCM (V) (4)
Min Typ Max
PCML
2.5 V LVDS
(HIO)
2.5 V LVDS
(VIO)
RSDS
(HIO)
RSDS
(VIO)
Mini-LVDS
(HIO)
Mini-LVDS
(VIO)
LVPECL (7)
Transmitter, receiver, and input reference clock pins of high-speed transceivers use PCML I/O standard. For
transmitter, receiver, and reference clock I/O pin specifications, refer to Table 1–23 on page 1–16 and Table 1–24 on
page 1–25.
2.375 2.5 2.625 100
VCM =
1.25 V
—
0.05 DMAX 
(5) 700 Mbps
1.8
(5)
0.247 —
0.6 1.125 1.25 1.375
—
1.05
(5)
DMAX >
700 Mbps
1.55 (
5)
0.247
—
0.6
1.125 1.25 1.375
2.375 2.5 2.625 100
VCM =
1.25 V
—
0.05
DMAX 
700 Mbps
1.8
0.247 —
0.6
—
1.05
DMAX>
700 Mbps
1.55
0.247 —
0.6
1 1.25 1.5
1 1.25 1.5
2.375 2.5 2.625 100
VCM =
1.25 V
— 0.3
—
1.4 0.1 0.2 0.6 0.5 1.2 1.4
2.375 2.5 2.625 100
VCM =
1.25 V
— 0.3
—
1.4 0.1 0.2 0.6 0.5 1.2 1.5
2.375 2.5 2.625 200 — 600 0.4
— 1.325 0.25 — 0.6 1 1.2 1.4
2.375 2.5 2.625 200 — 600 0.4
— 1.325 0.25 — 0.6 1 1.2 1.5
2.375 2.5 2.625 300 —
2.375 2.5 2.625 300 —
—
0.6 DMAX 
(6) 700 Mbps
1.8
(6)
— ——
—
—
—
—
1
DMAX >
1.6
(6) 700 Mbps (6)
— ——
—
—
—
March 2014 Altera Corporation
Stratix IV Device Handbook
Volume 4: Device Datasheet and Addendum