Cypress CY62157ESL manual Capacitance, Thermal Resistance, AC Test Loads and Waveforms, Tsop

CY62157ESL MoBL®

Capacitance

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

Parameter	Description	Test Conditions	Max	Unit
CIN	Input Capacitance	TA = 25°C, f = 1 MHz, VCC = VCC(typ)	10	pF
COUT	Output Capacitance		10	pF

Thermal Resistance

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

Parameter	Description	Test Conditions	TSOP II	Unit
ΘJA	Thermal Resistance	Still Air, soldered on a 3 × 4.5 inch, two-layer	77	°C/W
	(Junction to Ambient)	printed circuit board
ΘJC	Thermal Resistance		13	°C/W
	(Junction to Case)

AC Test Loads and Waveforms

R1

VCC

OUTPUT

30 pF

INCLUDING

JIG AND

SCOPE

VCC		ALL INPUT PULSES
					90%
10%		90%				10%
GND						Fall Time = 1 V/ns
R2 Rise Time = 1 V/ns
Equivalent to:			THÉVENIN EQUIVALENT
				RTH
	OUTPUT						V TH

Parameters	2.5V	3.0V	5.0V	Unit
R1	16667	1103	1800	Ω
R2	15385	1554	990	Ω
RTH	8000	645	639	Ω
VTH	1.20	1.75	1.77	V

Document #: 001-43141 Rev. ** Page 4 of 12

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