54FCT240D
器件描述:Octal Buffer/Line Driver with TRI-STATE Outputs
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器件资料摘要:
54FCT240
Octal Buffer/Line Driver with TRI-STATE
®
Outputs
General Description
The 54FCT240 is an octal buffer and line driver designed to
be employed as a memory address driver, clock driver and
bus oriented transmitter or receiver which provides improved
PC board density.
Features
n Inverting TRI-STATE outputs drive bus lines or buffer
memory address registers
n Output sink capability of 32 mA, source capability of 12
mA
n TTL input and output compatible levels
n CMOS power consumption
n Standard Microcircuit Drawing (SMD) 5962-8765501
Ordering Code:
Military Package Package Description
Number
54FCT240DMQB J20A 20-Lead Ceramic Dual-In-Line
54FCT240FMQB W20A 20-Lead Cerpak
54FCT240LMQB E20A 20-Lead Ceramic Leadless Chip Carrier, Type C
Logic Symbol
Pin Names Description
OE
1
,OE
2
TRI-STATE Output Enable Inputs
I
0
–I
7
Inputs
O
0
–O
7
Outputs
Connection Diagrams
TRI-STATE
®
is a registered trademark of National Semiconductor Corporation.
FACT
®
is a registered trademark of Fairchild Semiconductor Corporation.
IEEE/IEC
DS100955-1
Pin Assignment
for DIP and Flatpak
DS100955-2
Pin Assignment
for LCC
DS100955-3
August 1998
54FCT240
Octal
Buffer/Line
Driver
with
TRI-ST
A
T
E
Outputs
© 1999 National Semiconductor Corporation DS100955 www.national.com