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CY7C199_06

32K x 8 Static RAM

Cypress Semiconductor 

Capacitance[4]

CIN

COUT

Parameter

Description

Input Capacitance

Output Capacitance

AC Test Loads and Waveforms[5]

Test Conditions

TA = 25°C, f = 1 MHz,

VCC = 5.0V

CY7C199

Max.

Unit

8

pF

8

pF

5V

OUTPUT

R1 481Ω

5V

OUTPUT

R1 481Ω

30 pF

INCLUDING

JIG AND

SCOPE

R2

255 Ω

(a)

5 pF

R2

255Ω

INCLUDING

JIG AND

SCOPE (b)

Equivalent to:

THÉVENIN EQUIVALENT

OUTPUT

167 Ω

1.73V

3.0V

GND

10%

≤tr

ALL INPUT PULSES

90%

90%

10%

≤tr

Data Retention Characteristics Over the Operating Range (L-version only)

Parameter

Description

Conditions[6]

VDR

ICCDR

tCDR[4]

tR [5]

VCC for Data Retention

Data Retention Current

Chip Deselect to Data Retention Time

Operation Recovery Time

VCC = VDR = 2.0V,

CE > VCC – 0.3V,

VIN > VCC – 0.3V or VIN < 0.3V

Min.

2.0

0

200

Data Retention Waveform

DATA RETENTION MODE

VCC

3.0V

VDR > 2V

tCDR

CE

Notes:

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

5. tR< 3 ns for the -12 and the -15 speeds. tR< 5 ns for the -20 and slower speeds.

6. No input may exceed VCC + 0.5V.

3.0V

tR

Max.

10

Unit

V

µA

ns

µs

Document #: 38-05160 Rev. *B

Page 3 of 11

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