ES62UL256 データシートの表示（PDF） - NanoAmp Solutions, Inc.

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ES62UL256

32Kx8 Bit Ultra-Low Power Asynchronous Static RAM

NanoAmp Solutions, Inc. 

NanoAmp Solutions

FIGURE 2: Pin Configurations

A14

1

A12

2

A7

3

A6

4

A5

5

A4

6

A3

7

A2

8

A1

9

A0

10

I/O0

11

I/O1

12

I/O2

13

VSS

14

28

VCC

27

WE

26

A13

25

A8

24

A9

23

A11

22

OE

21

A10

20

CE

19

I/O7

18

I/O6

17

I/O5

16

I/O4

15

I/O3

ES62UL256 Family

OE

1

A11

2

A9

3

A8

4

A13

5

WE

6

VCC

7

A14

8

A12

9

A7

10

A6

11

A5

12

A4

13

A3

14

ES62UL256T

(TSOP)

28

A10

27

CE

26

I/O7

25

I/O6

24

I/O5

23

I/O4

22

I/O3

21

VSS

20

I/O2

19

I/O1

18

I/O0

17

A0

16

A1

15

A2

TABLE 1: Pin Functions

Pin Name

A0-A14

I/O0 - I/O7

CE

OE

Pin Function

Address Inputs

Data Inputs/Outputs

Chip Enable (Active Low)

Output Enable (Active Low)

FIGURE 3: Functional Block Diagram

Pin Name

WE

VCC

VSS

Address

Inputs

A0 - A14

Address

Decode

Logic

32K x 8

RAM Array

Pin Function

Write Enable (Active Low)

Power

Ground

Input/

Output

Mux

and

Buffers

Data I/O

I/O0 - I/O7

CE

WE

Control

Logic

OE

TABLE 2: Functional Description

CE

WE

OE

I/O0-I/O7

MODE

H

X

X

High Z

Standby

L

L

X

Data In

Write

L

H

L

Data Out

Read

L

H

H

High Z

Active

*The device will consume active power in this mode whenever addresses are changed

Stock No. 23003-03 4/99

POWER

Standby

Active - Standby*

Active - Standby*

Active - Standby*

2

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