Cypress CY14B256K Manual de usuario descargar pdf (Pagina 16)

CY14B256K

Document Number: 001-06431 Rev. *H Page 16 of 28

Data Retention and Endurance

Parameter Description Min Unit

DATA

Data Retention 20 Years

Nonvolatile STORE Operations 200 K

Capacitance

These parameters are guaranteed but not tested.

Parameter Description Test Conditions Max Unit

Input Capacitance T

= 25°C, f = 1 MHz,

= 0 to 3.0 V

7pF

OUT

Output Capacitance 7 pF

Thermal Resistance

These parameters are guaranteed but not tested.

Parameter Description Test Conditions 48-SSOP Unit

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

Thermal Resistance

(Junction to Case)

25.56 °C/W

Figure 7. AC Test Loads

AC Test Conditions

3.0V

Output

5 pF

R1 577Ω

789Ω

3.0V

Output

30 pF

R1 577Ω

789Ω

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

[+] Feedback

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 27 28

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