Cypress CY14E256L manual Data Retention and Endurance, Capacitance, Thermal Resistance

CY14E256L

DC Electrical Characteristics

Over the operating range (continued)(VCC = 4.5V to 5.5V) [6]

Parameter	Description		Test Conditions	Min	Max	Unit
VOL	Output LOW Voltage		IOUT = 8 mA		0.4	V
VBL	Logic ‘0’ Voltage on		IOUT = 3 mA		0.4	V
		HSB
	Output
VCAP	Storage Capacitor		Between VCAP pin and Vss, 6V rated. 68 µF +20% nom.	54	260	uF

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.[8]

Parameter		Description		Test Conditions		Max		Unit
CIN	Input Capacitance		TA = 25°C, f = 1 MHz,			5		pF
			VCC = 0 to 3.0V
COUT	Output Capacitance					7		pF
Thermal Resistance
In the following table, the thermal resistance parameters are listed.[8]
Parameter		Description		Test Conditions	32-SOIC		32-CDIP	Unit
ΘJA		Thermal Resistance		Test conditions follow standard test methods	35.45		TBD	°C/W
		(Junction to Ambient)		and procedures for measuring thermal
				impedance, per EIA / JESD51.
ΘJC		Thermal Resistance			13.26		TBD	°C/W
		(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	0V to 3V
Input Rise and Fall Times (10% - 90%)	<5 ns
Input and Output Timing Reference Levels	1.5V

Note

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

Document Number: 001-06968 Rev. *F Page 8 of 18

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