MR27V1652F Ver la hoja de datos (PDF) - Oki Electric Industry

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MR27V1652F

1M–Word ×16–Bit or 2M–Word ×8–Bit Page Mode P2ROM

Oki Electric Industry 

OKI Semiconductor

BLOCK DIAGRAM

A0

A1

A2

A3

A4

A5

A6

A7

A8

A9

A10

A11

A12

A13

A14

A15

A16

A17

A18

A19

FEDR27V1652F-02-02

MR27V1652F / P2ROM

A–1

× 8/× 16 Switch

CE#

OE#

BYTE#

CE

OE

Memory Cell Matrix

1,048,576 × 16-Bit or 2,097,152 × 8-Bit

Multiplexer

Output Buffer

D0 D2 D4 D6 D8 D10 D12 D14

D1 D3 D5 D7 D9 D11 D13 D15

In 8-bit output mode, these pins

are placed in a high-Z state and

pin D15 functions as the A-1

address pin.

FUNCTION TABLE

Mode

Read (16-Bit)

Read (8-Bit)

Output disable

CE#

OE#

L

L

L

L

L

H

Standby

H

∗

∗: Don’t Care (H or L)

BYTE#

H

L

H

L

H

L

VCC

3.3 V

D0 to D7

DOUT

D8 to D14

DOUT

Hi–Z

Hi–Z

Hi–Z

D15/A–1

L/H

∗

∗

3/11

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