DM74LS574WM データシートの表示（PDF） - Fairchild Semiconductor

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DM74LS574WM

Octal D-Type Flip-Flop with 3-STATE Outputs

Fairchild Semiconductor 

March 1988

Revised March 2000

DM74LS574

Octal D-Type Flip-Flop with 3-STATE Outputs

General Description

The DM74LS574 is a high speed low power octal flip-flop

with a buffered common Clock (CP) and a buffered com-

mon Output Enable (OE). The information presented to the

D inputs is stored in the flip-flops on the LOW-to-HIGH

Clock (CP) transition.

This device is functionally identical to the DM74LS374

except for the pinouts.

Ordering Code:

Order Number Package Number Package Description

DM74LS574WM M20B

20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide

DM74LS574N N20A

20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Logic Symbol

Connection Diagram

VCC = Pin 20

GND = Pin 10

Truth Table

Inputs

Dn

H

L

CP

X

X

H = HIGH Voltage Level

L = LOW Voltage Level

X = Immaterial

Z = High Impedance

= HIGH-to-LOW Clock (CP) transition

Outputs

OE

On

L

H

L

L

H

Z

© 2000 Fairchild Semiconductor Corporation DS009815

www.fairchildsemi.com

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