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54ABT16245W-QML Schematic ( PDF Datasheet ) - National Semiconductor

Teilenummer 54ABT16245W-QML
Beschreibung 16-Bit Transceiver with TRI-STATE Outputs
Hersteller National Semiconductor
Logo National Semiconductor Logo 




Gesamt 10 Seiten
54ABT16245W-QML Datasheet, Funktion
August 1998
54ABT16245
16-Bit Transceiver with TRI-STATE® Outputs
General Description
The ’ABT16245 contains sixteen non-inverting bidirectional
buffers with TRI-STATE outputs and is intended for bus ori-
ented applications. The device is byte controlled. Each byte
has separate control inputs which can be shorted together
for full 16-bit operation. The T/R inputs determine the direc-
tion of data flow through the device. The OE inputs disable
both the A and B ports by placing them in a high impedance
state.
n Separate control logic for each byte
n 16-bit version of the ’ABT245
n A and B output sink capability of 48 mA, source
capability of 24 mA
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) 5962-9317501
Features
n Bidirectional non-inverting buffers
Military
54ABT16245W-QML
Package
Number
WA48A
Logic Symbol
Package Description
48-Lead Cerpack
Pin Description
Pin Names
OEn
T/Rn
A0– A15
B0– B15
Description
Output Enable Input (Active Low)
Transmit/Receive Input
Side A Inputs/Outputs
Side B Inputs/Outputs
DS100200-1
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
© 1998 National Semiconductor Corporation DS100200
PrintDate=1998/08/27 PrintTime=14:50:42 44961 ds100200 Rev. No. 1 cmserv Proof
www.national.com
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54ABT16245W-QML Datasheet, Funktion
Capacitance (Continued)
tPZH vs Temperature (TA)
CL = 50 pF, 16 Outputs Switching
tPHZ vs Temperature (TA)
CL = 50 pF, 16 Outputs Switching
DS100200-23
tPZL vs Temperature (TA)
CL = 50 pF, 16 Outputs Switching
DS100200-24
tPLZ vs Temperature (TA)
CL = 50 pF, 16 Outputs Switching
DS100200-25
tPZL vs Load Capacitance
16 Outputs Switching TA = 25˚C
DS100200-26
tPZH vs Load Capacitance
16 Outputs Switching TA = 25˚C
DS100200-27
tPLH vs Number Output Switching
VCC = 5.0V, TA = 25˚C, CL = 50 pF
DS100200-28
tPHL vs Number Output Switching
VCC = 5.0V, TA = 25˚C, CL = 50 pF
DS100200-29
DS100200-30
Dashed lines represent design characteristics; for specified guarantees, refer to AC Characteristics Table.
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PrintDate=1998/08/27 PrintTime=14:50:43 44961 ds100200 Rev. No. 1 cmserv Proof
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