7C185A-20 データシートの表示（PDF） - Cypress Semiconductor

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7C185A-20

8K x 8 Static RAM

Cypress Semiconductor 

CY7C185A

Truth Table

CE1 CE2 WE OE Input/Output

H X X X High Z

X L X X High Z

L H H L Data Out

L H L X Data In

L H H H High Z

Mode

Deselect/

Power-Down

Deselect

Read

Write

Deselect

Address Designators

Address

Name

Address

Function

A4

X3

A5

X4

A6

X5

A7

X6

A8

X7

A9

Y1

A10

Y4

A11

Y3

A12

Y0

A0

Y2

A1

X0

A2

X1

Ordering Information

Speed

(ns)

Ordering Code

20

CY7C185A–20DMB

25

CY7C185A–25DMB

35

CY7C185A–35DMB

45

CY7C185A–45DMB

Package

Name

D22

D22

D22

D22

Package Type

28-Lead (300-Mil) CerDIP

28-Lead (300-Mil) CerDIP

28-Lead (300-Mil) CerDIP

28-Lead (300-Mil) CerDIP

Pin

Number

2

3

4

5

6

7

8

9

10

21

23

24

Operating

Range

Military

Military

Military

Military

8

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