Timing Specifications
Table 5–45. Maximum Output Clock Toggle Rate on Cyclone II Devices (Part 3 of 4)
Maximum Output Clock Toggle Rate on Cyclone II Devices (MHz)
Dedicated Clock
Outputs
Column I/O Pins (1)
–6 –7 –8
Row I/O Pins (1)
–6 –7 –8
Drive
Strength
I/O Standard
–6
–7
–8
Speed Speed Speed Speed Speed Speed Speed Speed Speed
Grade Grade Grade Grade Grade Grade Grade Grade Grade
SSTL_18_ CLASS_II
16 mA
18 mA
260
270
260
300
320
230
240
250
210
220
230
210
400
400
350
400
400
260
260
270
280
260
270
260
300
320
230
240
250
220
220
220
250
270
190
200
210
170
180
190
170
340
340
290
340
340
220
220
220
230
220
220
220
250
270
190
200
210
180
180
180
210
220
160
160
170
140
150
160
140
280
280
240
280
280
180
180
180
190
180
180
180
210
220
160
160
170
—
—
—
—
—
—
—
—
—
—
—
—
1.8V_HSTL_ CLASS_I 8 mA
260
300
320
—
220
250
270
—
180
210
220
—
260
300
320
—
220
250
270
—
180
210
220
—
10 mA
12 mA
1.8V_HSTL_ CLASS_II 16 mA
18 mA
—
—
—
—
—
—
20 mA
1.5V_HSTL_ CLASS_I 8 mA
10 mA
—
—
—
—
—
—
210
—
170
—
140
—
210
—
170
—
140
—
12 mA
—
—
—
—
—
—
1.5V_HSTL_ CLASS_II 16 mA
—
—
—
—
—
—
DIFFERENTIAL_
SSTL_2_CLASS_I
8 mA
400
400
350
—
340
340
290
—
280
280
240
—
400
400
350
—
340
340
290
—
280
280
240
—
12 mA
16 mA
20 mA
24 mA
6 mA
DIFFERENTIAL_
SSTL_2_CLASS_II
—
—
—
—
—
—
DIFFERENTIAL_
SSTL_18_CLASS_I
260
260
270
—
220
220
220
—
180
180
180
—
260
260
270
—
220
220
220
—
180
180
180
—
8 mA
10 mA
12 mA
DIFFERENTIAL_SSTL 16 mA
_18_CLASS_II
—
—
—
—
—
—
18 mA
—
—
—
—
—
—
1.8V_
DIFFERENTIAL_HSTL
_CLASS_I
8 mA
260
300
320
—
220
250
270
—
180
210
220
—
260
300
320
—
220
250
270
—
180
210
220
—
10 mA
12 mA
16 mA
18 mA
20 mA
1.8V_
DIFFERENTIAL_HSTL
_CLASS_II
—
—
—
—
—
—
—
—
—
—
—
—
5–50
Altera Corporation
February 2008
Cyclone II Device Handbook, Volume 1
ALTERA [ ALTERA CORPORATION ]
