HN27C4000G Datasheet, PDF(2/20 Page) Hitachi Semiconductor – 524288-Word ®8-Bit/262144-Word X 16-Bit CMOS UV Erasable and Programmable ROM

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HN27C4000G Datasheet, PDF (2/20 Pages) Hitachi Semiconductor – 524288-Word ®8-Bit/262144-Word X 16-Bit CMOS UV Erasable and Programmable ROM

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HN27C4000G Series

Pin Arrangement

HN27C4000G Series

A17 1

CE 10

VSS 11

OE 12

I/O0 13

I/O8 14

I/O1 15

I/O9 16

I/O2 17

I/O10 18

I/O3 19

I/O11 20

(Top view)

A10

A11

A12

A13

A14

A15

A16

BYTE/VPP

VSS

I/O15/A-1

I/O7

I/O14

I/O6

I/O13

I/O5

I/O12

I/O4

VCC

Ordering Information

Type No.

HN27C4000G-10

HN27C4000G-12

HN27C4000G-15

Access

time

100 ns

120 ns

150 ns

Package

600-mil

40-pin cerdip

(DG-40A)

Pin Description

Pin name

A0 â A17

I/O0 â I/O14

I/O15/A-1

VCC

BYTE/VPP

VSS

Function

Address

Input/output

Input/output/address

Chip enable

Output enable

Power supply

Byte/word selection/

Programming power supply

Ground

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