Cypress CY7C1018DV33 manual Capacitance3, Thermal Resistance3, AC Test Loads and Waveforms4

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CY7C1018DV33

Capacitance[3]

Parameter

Description

Test Conditions

Max.

Unit

CIN

Input Capacitance

TA = 25°C, f = 1 MHz, VCC = 3.3V

8

pF

COUT

Output Capacitance

 

8

pF

Thermal Resistance[3]

Parameter

Description

Test Conditions

400-Mil

Unit

Wide SOJ

 

 

 

 

 

 

 

 

 

ΘJA

Thermal Resistance

Still Air, soldered on a 3 × 4.5 inch,

57.61

°C/W

 

(Junction to Ambient)

four-layer printed circuit board

 

 

ΘJC

Thermal Resistance

 

40.53

°C/W

 

(Junction to Case)

 

 

 

AC Test Loads and Waveforms[4]

Z = 50

OUTPUT

50

* CAPACITIVE LOAD CONSISTS

OF ALL COMPONENTS OF THE 1.5V TEST ENVIRONMENT

(a)

3.0V

30 pF*

GND

Rise Time: 1 V/ns

High-Z characteristics: R 317

3.3V

OUTPUT

5 pF

 

 

 

 

 

 

 

 

 

 

 

 

R2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

351

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ALL INPUT PULSES

 

 

90%

 

 

90%

 

 

 

 

 

 

 

 

10%

 

10%

 

 

(b)Fall Time: 1 V/ns

(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 #: 38-05465 Rev. *D

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Contents Cypress Semiconductor Corporation FeaturesLogic Block Diagram Functional Description1Selection Guide Maximum RatingsOperating Range Capacitance3 Thermal Resistance3AC Test Loads and Waveforms4 AC Switching Characteristics Over the Operating Range Parameter Description Industrial Unit Min Max Read CycleWrite Cycle 10 Data Retention Characteristics Over the Operating Range Switching WaveformsData Retention Waveform Data I/O Data in Valid Write Cycle No CE Controlled16Write Cycle No WE Controlled, OE High During Write16 Data I/O Data ValidWrite Cycle No WE Controlled, OE LOW11 0-I/O Mode PowerTruth Table Ordering InformationPin 300-Mil Molded SOJ Package DiagramDocument History Issue Date Orig. Description of Change