SN74LS670 datasheet(1/8 Pages) ONSEMI

Part #	SN74LS670

Description	LOW POWER SCHOTTKY

PDF	8 Pages

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Manufacturer	ONSEMI [ON Semiconductor]

Direct Link	http://www.onsemi.com

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December, 1999 – Rev. 6

1

Publication Order Number:

SN74LS670/D

SN74LS670

4 x 4 Register File

with 3-State Outputs

The TTL / MSI SN74LS670 is a high-speed, low-power 4 x 4

Register File organized as four words by four bits. Separate read and

write inputs, both address and enable, allow simultaneous read and

write operation.

The 3-state outputs make it possible to connect up to 128 outputs to

increase the word capacity up to 512 words. Any number of these

devices can be operated in parallel to generate an n-bit length.

• Simultaneous Read/Write Operation

• Expandable to 512 Words by n-Bits

• Typical Access Time to 20 ns

• 3-State Outputs for Expansion

• Typical Power Dissipation of 125 mW

GUARANTEED OPERATING RANGES

Symbol

Parameter

Min

Typ

Max

Unit

VCC

Supply Voltage

4.75

5.0

5.25

V

TA

Operating Ambient

Temperature Range

0

25

70

°C

IOH

Output Current – High

– 2.6

mA

IOL

Output Current – Low

24

mA

LOW

POWER

SCHOTTKY

Device

Package

Shipping

ORDERING INFORMATION

SN74LS670N

16 Pin DIP

2000 Units/Box

SN74LS670D

16 Pin

SOIC

D SUFFIX

CASE 751B

http://onsemi.com

2500/Tape & Reel

PLASTIC

N SUFFIX

CASE 648

16

1

16

1

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