CY7C185-20PXC Ver la hoja de datos (PDF) - Cypress Semiconductor

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CY7C185-20PXC

64-Kbit (8 K × 8) Static RAM

Cypress Semiconductor 

CY7C185

Capacitance

Tested initially and after any design or process changes that may affect these parameters.

Parameter

CIN

COUT

Description

Input Capacitance

Output Capacitance

Test Conditions

TA = 25°C, f = 1 MHz,

VCC = 5.0 V

Max

Unit

7

pF

7

pF

Figure 1. AC Test Loads and Waveforms

5V

OUTPUT

R1 481 Ω

5V

OUTPUT

R1 481 Ω

30 pF

INCLUDING

JIG AND

SCOPE (a)

R2

255Ω

5 pF

INCLUDING

JIGAND

SCOPE (b)

R2

255Ω

3.0 V

10%

GND

≤ 5 ns

ALL INPUT PULSES

90%

90%

10%

≤ 5 ns

Equivalent to:

OUTPUT

THÉVENIN EQUIVALENT

167Ω

1.73 V

Notes

2. Minimum voltage is equal to –3.0 V for pulse durations less than 30 ns.

3. Tested initially and after any design or process changes that may affect these parameters.

Document #: 38-05043 Rev. *E

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