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PDF 74F2240SC Data sheet ( Hoja de datos )
| Número de pieza | 74F2240SC | |
| Descripción | Octal Buffer/Line Driver with 25W Series Resistors in the Outputs | |
| Fabricantes | Fairchild | |
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January 1995
Revised May 1999
74F2240
Octal Buffer/Line Driver
with 25Ω Series Resistors in the Outputs
General Description
The 74F2240 is an inverting octal buffer and line driver
designed to drive capacitive inputs of MOS memory
devices, address and clock lines or act as a low under-
shoot general purpose bus driver.
The 25Ω series resistor in the outputs reduces undershoot
and ringing and eliminates the need for external resistors.
Features
s 3-STATE outputs drive bus lines or buffer memory
address registers
s Outputs sink 12 mA and source 15 mA
s 25Ω series resistors in outputs eliminate the need for
external resistors
s Designed to drive the capacitive inputs of MOS devices
s Guaranteed 4000V minimum ESD protection
Ordering Code:
Order Number Package Number
Package Description
74F2240SC
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
74F2240QC
V20A
20-Lead Plastic Lead Chip Carrier (PLCC), JEDEC MO-047, 0.350 Square
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Truth Table
OE1 D1n O1n OE2 D2n O2n
HXZHXZ
LHL LHL
L LHL LH
Unit Loading/Fan Out
Pin
Names
Description
U.L.
HIGH/LOW
Output
IOH/IOL
OE1, OE2 3-STATE Output
Enable Input
1.0/1.667 20 µA/−1 mA
(Active LOW)
I0 - I7
O0 - O7
Inputs
Outputs
1.0/1.667 20 µA/−1 mA
750/20 −15 mA/12 mA
© 1999 Fairchild Semiconductor Corporation DS010898.prf
www.fairchildsemi.com
1 page  
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
20-Lead Plastic Lead Chip Carrier (PLCC), JEDEC MO-047, 0.350 Square
Package Number V20A
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
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.
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet 74F2240SC.PDF ] | |
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