CY62128V18 Просмотр технического описания (PDF) - Cypress Semiconductor

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CY62128V18

128K x 8 Static RAM

Cypress Semiconductor 

AC Test Loads and Waveforms

R1

VCC

OUTPUT

50 pF

INCLUDING

JIG AND

SCOPE

R2

62128V–5

CY62128V Family

1.8V

10%

GND

< 5 ns

ALL INPUT PULSES

90%

90%

10%

< 5 ns

62128V–6

Equivalent to:

THÉVENIN EQUIVALENT

OUTPUT

RTH

V

Parameters

R1

R2

RTH

VTH

3.3V

1213

1378

645

1.75V

2.5V

15909

4487

3500

0.55V

1.8V

10800

4154

3000

0.50V

Unit

Ohms

Ohms

Ohms

Volts

Data Retention Characteristics (Over the Operating Range)

Parameter

Description

Conditions[4]

Min. Typ.[2] Max.

Unit

VDR

ICCDR

tCDR[3]

tR

VCC for Data Retention

1.6

V

Data Retention Current

Com’l L

LL,

XL

Ind’l L

LL

VCC = 2V

CE > VCC – 0.3V,

VIN > VCC – 0.3V or

VIN < 0.3V

No input may exceed

VCC+0.3V

0.4

10

µA

10

µA

20

µA

20

µA

Chip Deselect to Data Retention Time

0

ns

Operation Recovery Time

tRC

ns

Data Retention Waveform

DATA RETENTION MODE

VCC

1.8V

VDR > 1.6 V

1.8V

tCDR

tR

CE

C62128V–7

Note:

4. No input may exceed VCC+0.3V.

4

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