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74F2240QC датащи(PDF) 1 Page - Fairchild Semiconductor

номер детали 74F2240QC
подробное описание детали  Octal Buffer/Line Driver with 25W Series Resistors in the Outputs
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производитель  FAIRCHILD [Fairchild Semiconductor]
домашняя страница  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

74F2240QC датащи(HTML) 1 Page - Fairchild Semiconductor

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January 1995
Revised May 1999
© 1999 Fairchild Semiconductor Corporation
DS010898.prf
www.fairchildsemi.com
74F2240
Octal Buffer/Line Driver
with 25
Ω 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 25
Ω 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 25
Ω 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:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Truth Table
Unit Loading/Fan Out
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
OE1
D1n
O1n
OE2
D2n
O2n
HX
Z
H
X
Z
LH
L
L
H
L
LL
H
L
L
H
Pin
Description
U.L.
Output
Names
HIGH/LOW
IOH/IOL
OE1, OE2 3-STATE Output
1.0/1.667
20
µA/−1 mA
Enable Input
(Active LOW)
I0 - I7
Inputs
1.0/1.667
20
µA/−1 mA
O0 - O7
Outputs
750/20
−15 mA/12 mA


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