Cypress Semiconductor CY14B256K Specifikace stáhnout pdf (Strana 15)

CY14B256K

Document Number: 001-06431 Rev. *G Page 15 of 24

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.

TBD °C/W

Thermal Resistance

(Junction to Case)

TBD °C/W

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

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Cypress Semiconductor CY14B256K Specifikace Strana 15