CY7C057V-12AXC datasheet(8/27 Pages) CYPRESS

Part #	CY7C057V-12AXC

Description	3.3 V 16K/32K x 36 FLEx36??Asynchronous Dual-Port Static RAM

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Manufacturer	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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8 / 27 page

CY7C056V

CY7C057V

Document #: 38-06055 Rev. *F

Page 8 of 27

Notes

8. Deselection for a port occurs if CE0 is HIGH or if CE1 is LOW.

9. fMAX = 1/tRC = All inputs cycling at f = 1/tRC (except Output Enable). f = 0 means no address or control lines change. This applies only to inputs at CMOS level standby ISB3.

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

Electrical Characteristics Over the Operating Range[8]

Parameter

Description

CY7C056V

CY7C057V

Unit

-12

-15

Min

Typ

Max

Min

Typ

Max

VOH

Output HIGH voltage

(VDD = Min., IOH = –4.0 mA)

2.4

–

2.4

–

–V

VOL

Output LOW voltage

(VDD = Min., IOL = +4.0 mA)

–0.4

–

0.4

V

VIH

Input HIGH voltage

2.0

–

2.0

–

V

VIL

Input LOW voltage

–

0.8

–

0.8

V

IOZ

Output leakage current

–10

10

–10

10

A

ICC

Operating current (VDD = Max.,

IOUT = 0 mA) output disabled

Commercial

–

250

385

–

240

360

mA

Industrial

–

265

385

mA

ISB1

Standby current (Both ports TTL level

and deselected)

f = fMAX

Commercial

55

75

50

70

mA

Industrial

–65

95

mA

ISB2

Standby current (One port TTL

level and deselected)

f = fMAX

Commercial

180

240

175

230

mA

Industrial

–

190

255

mA

ISB3

Standby current (Both ports CMOS

level and deselected) f =0

Commercial

0.01

1

0.01

1

mA

Industrial

–

0.01

1

mA

ISB4

Standby current (One Port CMOS

level and deselected) f = fMAX

[9]

Commercial

160

210

155

200

mA

Industrial

–

170

215

mA

Capacitance[10]

Parameter

Description

Test Conditions

Max

Unit

CIN

Input capacitance

TA = 25 C, f = 1 MHz,

VDD = 3.3 V

10

pF

COUT

Output capacitance

10

pF

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