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Capacitance, Thermal resistance, Ac test loads and waveforms – Cypress CY7C1018DV33 User Manual

Page 3

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CY7C1018DV33

Document #: 38-05465 Rev. *D

Page 3 of 9

Capacitance

[3]

Parameter

Description

Test Conditions

Max.

Unit

C

IN

Input Capacitance

T

A

= 25°C, f = 1 MHz, V

CC

= 3.3V

8

pF

C

OUT

Output Capacitance

8

pF

Thermal Resistance

[3]

Parameter

Description

Test Conditions

400-Mil

Wide SOJ

Unit

Θ

JA

Thermal Resistance
(Junction to Ambient)

Still Air, soldered on a 3 × 4.5 inch,
four-layer printed circuit board

57.61

°C/W

Θ

JC

Thermal Resistance
(Junction to Case)

40.53

°C/W

AC Test Loads and Waveforms

[4]

90%

10%

3.0V

GND

90%

10%

ALL INPUT PULSES

* CAPACITIVE LOAD CONSISTS
OF ALL COMPONENTS OF THE
TEST ENVIRONMENT

Rise Time: 1 V/ns

Fall Time: 1 V/ns

30 pF*

OUTPUT

Z = 50

50

1.5V

(b)

(a)

3.3V

OUTPUT

5 pF

(c)

R 317

R2

351

High-Z characteristics:

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).

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