Cypress Semiconductor ISR 37000 CPLD Manual de usuario descargar pdf (Pagina 15)

Ultra37000 CPLD Family

Document Number : 38-03007 Rev. *G Page 15 of 43

Inductance

[5]

Parameter Description Test Conditions

44- Pin

TQFP

44- Pin

PLCC

100- Pin

TQFP

160-Pin

TQFP

Unit

L Maximum Pin Inductance V

= 3.3V

at f = 1 MHz

258 9nH

Capacitance

[5]

Parameter Description Test Conditions Max Unit

I/O

Input/Output Capacitance V

= 3.3V at f = 1 MHz at T

= 25°C 8 pF

CLK

Clock Signal Capacitance V

= 3.3V at f = 1 MHz at T

= 25°C 12 pF

Dual Functional Pins

[9]

= 3.3V at f = 1 MHz at T

= 25°C 16 pF

Endurance Characteristics

[5]

Parameter Description Test Conditions Min Typ Unit

N Minimum Reprogramming Cycles Normal Programming Conditions

[2]

1,000 10,000 Cycles

AC Characteristics

Figure 7. 5V AC Test Loads and Waveforms

Figure 8. 3.3V AC Test Loads and Waveforms

90%

10%

3.0V

GND

90%

10%

ALL INPUT PULSES

OUTPUT

35 pF

INCLUDING

JIG AND

SCOPE

OUTPUT

5 pF

INCLUDING

JIG AND

SCOPE

(a) (b)

<2 ns

OUTPUT

238Ω (COM'L)

319Ω (MIL)

170Ω (COM'L)

236Ω (MIL)

99Ω (COM'L)

136Ω (MIL)

Equivalent to: THÉVENIN EQUIVALENT

2.08V (COM'L)

2.13V (MIL)

238Ω (COM'L)

319Ω (MIL)

170Ω (COM'L)

236Ω (MIL)

<2 ns

(c)

5 OR 35 pF

90%

10%

3.0V

GND

90%

10%

ALL INPUT PULSES

3.3V

OUTPUT

35 pF

INCLUDING

JIG AND

SCOPE

3.3V

OUTPUT

5 pF

INCLUDING

JIG AND

SCOPE

(a) (b)

<2 ns

OUTPUT

295Ω (COM'L)

393Ω (MIL)

340Ω (COM'L)

453Ω (MIL)

Equivalent to: THÉVENIN EQUIVALENT

1.77V (COM'L)

1.77V (MIL)

295Ω (COM'L)

393Ω (MIL)

340Ω (COM'L)

453Ω (MIL)

<2 ns

(c)

270Ω (MIL)

158

(COM’L)

5 OR 35 pF

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Ultra37000 CPLD Family 1

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