Cypress CY7C1019D manual Capacitance, Thermal Resistance, AC Test Loads and Waveforms

				CY7C1019D
Capacitance [3]
Parameter	Description	Test Conditions	Max		Unit
CIN	Input Capacitance	TA = 25°C, f = 1 MHz, VCC = 5.0V	6			pF
COUT	Output Capacitance		8			pF
Thermal Resistance [3]
Parameter	Description	Test Conditions	400-Mil	TSOP II		Unit
			Wide SOJ
ΘJA	Thermal Resistance	Still Air, soldered on a 3 × 4.5 inch,	56.29	62.22		°C/W
	(Junction to Ambient)	four-layer printed circuit board
ΘJC	Thermal Resistance		38.14	21.43		°C/W
	(Junction to Case)

AC Test Loads and Waveforms [4]

Z = 50Ω 3.0V

OUTPUT

* CAPACITIVE LOAD CONSISTS	50 Ω	30 pF*	GND
	1.5V
OF ALL COMPONENTS OF THE
TEST ENVIRONMENT			Rise Time: ≤ 3 ns

(a)

		ALL INPUT PULSES
	90%		90%
				10%
10%

(b)Fall Time: ≤ 3 ns

High-Z characteristics:

R1 480Ω

5V

OUTPUT

	5 pF	R2
INCLUDING		255Ω
JIG AND
SCOPE

(c)

Notes

3.Tested initially and after any design or process changes that may affect these parameters.

4.AC characteristics (except High-Z) are tested using the load conditions shown in Figure (a). High-Z characteristics are tested for all speeds using the test load shown in Figure (c).

Document #: 38-05464 Rev. *E Page 4 of 11

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