APA150 datasheet(46/174 Pages) ACTEL

46 / 174 page

ProASICPLUS Flash Family FPGAs

1- 42

v5.2

Tristate Buffer Delays

Figure 1-26 • Tristate Buffer Delays

Table 1-25 • Worst-Case Commercial Conditions

VDDP = 3.0 V, VDD = 2.3 V, 35 pF load, TJ = 70°C

Macro Type

Description

Max

tDLH

Max

tDHL

Max

tENZH

Max

tENZL

Units

Std.

–F

Std.

–F

Std.

–F

Std.

–F

OTB33PH

3.3 V, PCI Output Current, High Slew Rate

2.0

2.4

2.2

2.6

2.2

2.6

2.0

2.4

OTB33PN

3.3 V, High Output Current, Nominal Slew Rate

2.2

2.6

2.9

3.5

2.4

2.9

2.1

2.5

OTB33PL

3.3 V, High Output Current, Low Slew Rate

2.5

3.0

3.2

3.9

2.7

3.3

2.8

3.4

OTB33LH

3.3 V, Low Output Current, High Slew Rate

2.6

3.1

4.0

4.8

2.8

3.4

3.0

3.6

OTB33LN

3.3 V, Low Output Current, Nominal Slew Rate

2.9

3.5

4.3

5.2

3.2

3.8

4.1

4.9

OTB33LL

3.3 V, Low Output Current, Low Slew Rate

3.0

3.6

5.6

6.7

3.3

3.9

5.5

6.6

Notes:

1. tDLH=Data-to-Pad High

2. tDHL=Data-to-Pad Low

3. tENZH=Enable-to-Pad, Z to High

4. tENZL = Enable-to-Pad, Z to Low

5. All –F parts are only available as commercial.

Table 1-26 • Worst-Case Commercial Conditions

VDDP = 2.3 V, VDD = 2.3 V, 35 pF load, TJ = 70°C

Macro Type

Description

Max

tDLH

Max

tDHL

Max

tENZH

Max

tENZL

Units

Std.

–F

Std.

–F

Std.

–F

Std.

–F

OTB25LPHH

2.5 V, Low Power, High Output Current, High Slew Rate5

2.0

2.4

2.1

2.5

2.3

2.7

2.0

2.4

OTB25LPHN

2.5 V, Low Power, High Output Current, Nominal Slew Rate5

2.4

2.9

3.0

3.6

2.7

3.2

2.1

2.5

OTB25LPHL

2.5 V, Low Power, High Output Current, Low Slew Rate5

2.9

3.5

3.2

3.8

3.1

3.8

2.7

3.2

OTB25LPLH

2.5 V, Low Power, Low Output Current, High Slew Rate5

2.7

3.3

4.6

5.5

3.0

3.6

2.6

3.1

OTB25LPLN

2.5 V, Low Power, Low Output Current, Nominal Slew Rate5

3.5

4.2

5.1

3.8

4.5

3.8

4.6

OTB25LPLL

2.5 V, Low Power, Low Output Current, Low Slew Rate5

4.0

4.8

5.3

6.4

4.2

5.1

6.1

Notes:

1. tDLH=Data-to-Pad High

2. tDHL=Data-to-Pad Low

3. tENZH=Enable-to-Pad, Z to High

4. tENZL = Enable-to-Pad, Z to Low

5. Low power I/O work with VDDP=2.5 V ±10% only. VDDP=2.3 V for delays.

6. All –F parts are only available as commercial.

PAD

OTBx

50%

PAD

VOL

VOH

50%

DLH

50%

tDHL

50%

PAD

VOL

50%

tENZL

50%

10%

50%

PAD

GND

50%

ENZH

50%

90%

VDDP

35pF

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