beautypg.com

Capacitance, Thermal resistance, Ac test loads and waveforms – Cypress CY7C1383DV25 User Manual

Page 18

background image

CY7C1381DV25, CY7C1381FV25

CY7C1383DV25, CY7C1383FV25

Document #: 38-05547 Rev. *E

Page 18 of 28

Capacitance

[18]

Parameter

Description

Test Conditions

100 TQFP

Package

119 BGA

Package

165 FBGA

Package

Unit

C

IN

Input

Capacitance

T

A

= 25°C, f = 1 MHz,

V

DD

/V

DDQ

= 2.5V

5

8

9

pF

C

CLK

Clock Input Capacitance

5

8

9

pF

C

IO

Input/Output Capacitance

5

8

9

pF

Thermal Resistance

[18]

Parameter

Description

Test Conditions

100 TQFP

Package

119 BGA

Package

165 FBGA

Package

Unit

Θ

JA

Thermal Resistance

(Junction to Ambient)

Test conditions follow

standard test methods and

procedures for measuring

thermal impedance, in

accordance with

EIA/JESD51.

28.66

23.8

20.7

°C/W

Θ

JC

Thermal Resistance

(Junction to Case)

4.08

6.2

4.0

°C/W

AC Test Loads and Waveforms

OUTPUT

R = 1667

R = 1538

5 pF

INCLUDING

JIG AND

SCOPE

(a)

(b)

OUTPUT

R

L

= 50

Z

0

= 50

V

T

= 1.25V

2.5V

ALL INPUT PULSES

V

DDQ

GND

90%

10%

90%

10%

≤ 1 ns

≤ 1 ns

(c)

2.5V IO Test Load

Note

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

[+] Feedback

This manual is related to the following products: