Cypress STK12C68 manual Data Retention and Endurance, Capacitance, Thermal Resistance

STK12C68

Data Retention and Endurance

Parameter

Description

Min

Unit

DATAR

Data Retention

100

Years

NVC

Nonvolatile STORE Operations

1,000

K

Capacitance

In the following table, the capacitance parameters are listed.[6]

Parameter

Description

Test Conditions

Max

Unit

CIN

Input Capacitance

TA = 25°C, f = 1 MHz,

8

pF

VCC = 0 to 3.0 V

COUT

Output Capacitance

7

pF

Thermal Resistance

In the following table, the thermal resistance parameters are listed.[6]

Parameter

Description

Test Conditions

28-SOIC

28-PDIP

28-PDIP

28-CDIP

28-LCC

Unit

(300 mil)

(600 mil)

ΘJA

Thermal Resis-

Test conditions follow

46.55

45.16

55.84

46.1

95.31

°C/W

tance

standard test methods and

(Junction to

procedures for measuring

Ambient)

thermal impedance, per EIA /

JESD51.

ΘJC

Thermal Resis-

27.95

31.62

25.74

5.01

9.01

°C/W

tance

(Junction to Case)

R1 963Ω

5.0V

Output

30 pF

Figure 6. AC Test Loads

R1 963Ω For Tri-state Specs

5.0V

Output

R2	5 pF	R2
512Ω		512Ω

AC Test Conditions

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

Note

6. These parameters are guaranteed by design and are not tested.

Document Number: 001-51027 Rev. ** Page 8 of 20

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