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Capacitance, Thermal resistance, Ac test loads and waveforms – Cypress CY7C1324H User Manual

Page 8

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CY7C1324H

Document #: 001-00208 Rev. *B

Page 8 of 15

Capacitance

[8]

Parameter

Description

Test Conditions

100 TQFP

Max.

Unit

C

IN

Input Capacitance

T

A

= 25

°C, f = 1 MHz,

V

DD

= 3.3V.

V

DDQ

= 2.5V

5

pF

C

CLK

Clock Input Capacitance

5

pF

C

I/O

Input/Output Capacitance

5

pF

Thermal Resistance

[8]

Parameter

Description

Test Conditions

100 TQFP

Package

Unit

Θ

JA

Thermal Resistance
(Junction to Ambient)

Test conditions follow standard test methods and proce-
dures for measuring thermal impedance, per
EIA/JESD51

30.32

°C/W

Θ

JC

Thermal Resistance
(Junction to Case)

6.85

°C/W

AC Test Loads and Waveforms

Notes:

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

OUTPUT

R = 317

R = 351

5 pF

INCLUDING

JIG AND

SCOPE

(a)

(b)

OUTPUT

R

L

= 50

Z

0

= 50

V

L

= 1.5V

3.3V

ALL INPUT PULSES

V

DD

GND

90%

10%

90%

10%

≤ 1 ns

≤ 1 ns

(c)

3.3V I/O Test Load

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 I/O Test Load

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