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54ABT16244 Schematic ( PDF Datasheet ) - National Semiconductor

Teilenummer 54ABT16244
Beschreibung 16-Bit Buffer/Line Driver with TRI-STATE Outputs
Hersteller National Semiconductor
Logo National Semiconductor Logo 




Gesamt 10 Seiten
54ABT16244 Datasheet, Funktion
July 1998
54ABT16244
16-Bit Buffer/Line Driver with TRI-STATE® Outputs
General Description
The ’ABT16244 contains sixteen non-inverting buffers with
TRI-STATE outputs designed to be employed as a memory
and address driver, clock driver, or bus oriented transmitter/
receiver. The device is nibble controlled. Individual
TRI-STATE control inputs can be shorted together for 8-bit or
16-bit operation.
Features
n Separate control logic for each nibble
n 16-bit version of the ’ABT244
n Outputs sink capability of 48 mA, source capability of
24 mA
n Guaranteed output skew
n Guaranteed multiple output switching specifications
n Output switching specified for both 50 pF and 250 pF
loads
n Guaranteed simultaneous switching noise level and
dynamic threshold performance
n Guaranteed latchup protection
n High impedance glitch free bus loading during entire
power up and power down cycle
n Non-destructive hot insertion capability
n Standard Microcircuit Drawing (SMD) 5962-9317402
Ordering Code:
Military
54ABT16244W-QML
Logic Symbol
Package
Number
WA48A
48-Lead Cerpack
Package Description
Connection Diagram
Pin Assignment for Cerpack
Pin Description
DS100223-1
Pin Names
OEn
I0– I15
O0– O15
Description
Output Enable Inputs (Active Low)
Inputs
Outputs
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
© 1998 National Semiconductor Corporation DS100223
DS100223-2
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54ABT16244 Datasheet, Funktion
Capacitance (Continued)
tPZH vs Temperature (TA)
CL = 50 pF, 1 Output Switching
tPHZ vs Temperature (TA)
CL = 50 pF, 1 Output Switching
tPZH vs Temperature (TA)
CL = 50 pF, 16 Outputs Switching
DS100223-20
tPHZ vs Temperature (TA)
CL = 50 pF, 16 Outputs Switching
DS100223-21
tPZL vs Temperature (TA)
CL = 50 pF, 16 Outputs Switching
DS100223-22
tPLZ vs Temperature (TA)
CL = 50 pF, 16 Outputs Switching
DS100223-23
DS100223-24
DS100223-25
Dashed lines represent design characteristics; for specified guarantees, refer to AC Characteristics Tables.
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