74LS573 Datasheet PDF - Fairchild Semiconductor
| Part Number | 74LS573 | |
| Description | Octal D-Type Latch with 3-STATE Outputs | |
| Manufacturers | Fairchild Semiconductor | |
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October 1988
Revised March 2000
DM74LS573
Octal D-Type Latch with 3-STATE Outputs
General Description
The DM74LS573 is a high speed octal latch with buffered
common Latch Enable (LE) and buffered common Output
Enable (OE) inputs.
This device is functionally identical to the DM74LS373, but
has different pinouts.
Features
s Inputs and outputs on opposite sides of package allow-
ing easy interface with microprocessors
s Useful as input or output port for microprocessors
s Functionally identical to DM74LS373
s Input clamp diodes limit high speed termination effects
s Fully TTL and CMOS compatible
Ordering Code:
Order Number Package Number
Package Description
DM74LS573WM
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
DM74LS573N
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
Pin Descriptions
Function Tables
Pin Names
D0–D7
Data Inputs
Description
Output
Latch
Output
D
Enable
Enable
O
LE Latch Enable Input (Active HIGH)
L HHH
OE 3-STATE Output Enable Input (Active LOW)
L
H
L
L
O0–O7 3-STATE Latch Outputs
L L X QO
HX X Z
L = LOW State
H = HIGH State
X = Don't Care
Z = High Impedance State
QO = Previous Condition of O
© 2000 Fairchild Semiconductor Corporation DS009814
www.fairchildsemi.com
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Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Package Number N20A
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and
Fairchild reserves the right at any time without notice to change said circuitry and specifications.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the
body, or (b) support or sustain life, and (c) whose failure
to perform when properly used in accordance with
instructions for use provided in the labeling, can be rea-
sonably expected to result in a significant injury to the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be rea-
sonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
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| Information | Total 5 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ 74LS573.PDF Datasheet ] | |
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