Octal Buffer/Line Driver
54FCT244 Octal Buffer/Line Driver with TRI-STATE Outputs
September 1998
54FCT244 Octal Buffer/Line Driver with TRI-STA...
Description
54FCT244 Octal Buffer/Line Driver with TRI-STATE Outputs
September 1998
54FCT244 Octal Buffer/Line Driver with TRI-STATE® Outputs
General Description
The ’FCT244 is an octal buffer and line driver with TRI-STATE outputs designed to be employed as a memory and address driver, clock driver, or bus-oriented transmitter/ receiver.
Features
n Non-inverting buffers n Output sink capability of 48 mA, source capability of
12 mA n TRI-STATE outputs drive lines or buffer memory address
registers n TTL input and output level compatible n CMOS power consumption n Standard Microcircuit Drawing (SMD) 5962-8763001
Ordering Code
Military
54FCT244DMQB 54FCT244FMQB 54FCT244LMQB
Connection Diagrams
Package Number J20A W20A E20A
Package Description
20-Lead Ceramic Dual-In-Line 20-Lead Cerpack 20-Lead Ceramic Leadless Chip Carrier, Type C
Pin Assignment for DIP and Flatpak
Pin Assignment for LCC
DS100967-1
Pin Names OE1, OE2
I0– I7 O0– O7
Description
Output Enable Input (Active Low)
Inputs Outputs
OE1 H L L
I0–3 O0–3 XZ HH LL
OE2 H L L
I4–7 O4–7 XZ HH LL
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
© 1999 National Semiconductor Corporation DS100967
DS100967-2
H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance
www.national.com
54FCT244
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifica...
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