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Data retention and endurance, Capacitance, Thermal resistance – Cypress CY14B256K User Manual

Page 16: Ac test conditions

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CY14B256K

Document Number: 001-06431 Rev. *H

Page 16 of 28

Data Retention and Endurance

Parameter

Description

Min

Unit

DATA

R

Data Retention

20

Years

NV

C

Nonvolatile STORE Operations

200

K

Capacitance

These parameters are guaranteed but not tested.

Parameter

Description

Test Conditions

Max

Unit

C

IN

Input Capacitance

T

A

= 25

°C, f = 1 MHz,

V

CC

= 0 to 3.0 V

7

pF

C

OUT

Output Capacitance

7

pF

Thermal Resistance

These parameters are guaranteed but not tested.

Parameter

Description

Test Conditions

48-SSOP

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.

32.9

°C/W

Θ

JC

Thermal Resistance
(Junction to Case)

25.56

°C/W

Figure 7. AC Test Loads

AC Test Conditions

3.0V

Output

5 pF

R1 577

Ω

R2

789

Ω

3.0V

Output

30 pF

R1 577

Ω

R2

789

Ω

For Tri-state Specs

Input Pulse Levels ..................................................0 V to 3 V
Input Rise and Fall Times (10% - 90%) ........................ <5 ns
Input and Output Timing Reference Levels ................... 1.5 V

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