Cypress 37000 CPLD manual AC Characteristics

Ultra37000 CPLD Family

Inductance[5]

			44-	44-	44-	84-	84-	100-	160-	208-
Parameter	Description	Test Conditions	Lead	Lead	Lead	Lead	Lead	Lead	Lead	Lead	Unit
			TQFP	PLCC	CLCC	PLCC	CLCC	TQFP	TQFP	PQFP
L	Maximum Pin	VIN = 3.3V	2	5	2	8	5	8	9	11	nH
	Inductance	at f = 1 MHz

Capacitance[5]

Parameter	Description			Test Conditions		Max.	Unit
CI/O	Input/Output Capacitance	VIN = 3.3V at f = 1			MHz at TA = 25°C	8	pF
CCLK	Clock Signal Capacitance	VIN = 3.3V at f = 1			MHz at TA = 25°C	12	pF
C	Dual Functional Pins[9]	V	IN	= 3.3V at f = 1	MHz at T = 25°C	16	pF
DP					A
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

5.0V AC Test Loads and Waveforms

238Ω (COM'L)	238Ω (COM'L)
319Ω (MIL)	319Ω (MIL)

5V	5V			3.0V
OUTPUT	170Ω (COM'L) OUTPUT		170Ω (COM'L)	GND
35 pF	236Ω (MIL)	5 pF	236Ω (MIL)

INCLUDING				INCLUDING		<2 ns
JIG AND				JIG AND
SCOPE	(a)			SCOPE	(b)
Equivalent to: THÉVENIN EQUIVALENT
		99Ω (COM'L)
OUTPUT		136Ω (MIL)	2.08V	(COM'L)
			2.13V	(MIL)

5 OR 35 pF

ALL INPUT PULSES
		90%	90%
	10%			10%
				<2 ns

(c)

3.3V AC Test Loads and Waveforms

295Ω (COM'L)	295Ω (COM'L)
393Ω (MIL)	393Ω (MIL)

3.3V		3.3V				3.0V
OUTPUT	340Ω (COM'L) OUTPUT		5 pF	340Ω (COM'L)		GND
35 pF	Ω	(MIL)		Ω	(MIL)
	453			453

INCLUDING				INCLUDING		<2 ns
JIG AND				JIG AND
SCOPE	(a)			SCOPE	(b)
Equivalent to:	THÉVENIN EQUIVALENT
		158Ω (COM’L)
OUTPUT		270Ω (MIL)	1.77V	(COM'L)
			1.77V	(MIL)

5 OR 35 pF

ALL INPUT PULSES
		90%	90%
	10%			10%
				<2 ns

(c)

Document #: 38-03007 Rev. *E Page 16 of 64

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