HEF4505BN datasheet(5/8 Pages) PHILIPS

Part #	HEF4505BN

Description	64-bit, 1-bit per word random access read/write memory

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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5 / 8 page

January 1995

5

Philips Semiconductors

Product speciﬁcation

64-bit, 1-bit per word random access

read/write memory

HEF4505B

LSI

Hold time

5

−20

−40

ns

DIN → ST

10

tholdD

5

−10

ns

15

10

0

ns

VDD

V

SYMBOL

MIN.

TYP.

MAX.

TYPICAL EXTRAPOLATION

FORMULA

Fig.3 Read cycle timing diagram.

(1) Output in high impedance OFF-state.

(2) tSTHmin =tRCmax − tSTLmin.

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