HM628512FP-5 datasheet(5/15 Pages) HITACHI-METALS

Part #	HM628512FP-5

Description	524288-word x 8-bit High Speed CMOS Static RAM

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Manufacturer	HITACHI-METALS [Hitachi Metals, Ltd]

Direct Link	http://www.hitachi-metals.co.jp/e

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HM628512 Series

5

Function Table

WE

CS

OE

Mode

V

CC Current

Dout Pin

Ref. Cycle

X

H

X

Not selected

I

SB, I SB1

High-Z

—

H

L

H

Output disable

I

CC

High-Z

—

H

L

Read

I

CC

Dout

Read cycle

L

H

Write

I

CC

Din

Write cycle (1)

L

Write

I

CC

Din

Write cycle (2)

Note:

X: H or L

Absolute Maximum Ratings

Parameter

Symbol

Value

Unit

Voltage on any pin relative to V

SS

*1

V

T

–0.5

*2 to +7.0

V

Power dissipation

P

T

1.0

W

Operating temperature

Topr

0 to +70

°C

Storage temperature

Tstg

–55 to +125

°C

Storage temperature under bias

Tbias

–10 to +85

°C

Notes: 1. Relative to V

SS.

2. –3.0 V for pulse half-width

≤ 30 ns

Recommended DC Operating Conditions (Ta = 0 to +70

°C)

Parameter

Symbol

Min

Typ

Max

Unit

Supply voltage

V

CC

4.5

5.0

5.5

V

SS

00

0

V

Input high (logic 1) voltage

V

IH

2.2

—

6.0

V

Input low (logic 0) voltage

V

IL

–0.3

*1

—

0.8

V

Note:

1. –3.0 V for pulse half-width

≤ 30 ns

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HM628512FP-5 Datasheet(PDF) 5 Page - Hitachi Metals, Ltd

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