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74ABT16825A Schematic ( PDF Datasheet ) - NXP Semiconductors

Teilenummer 74ABT16825A
Beschreibung 18-bit buffer/line driver; non-inverting 3-State
Hersteller NXP Semiconductors
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Gesamt 10 Seiten
74ABT16825A Datasheet, Funktion
INTEGRATED CIRCUITS
74ABT16825A
74ABTH16825A
18-bit buffer/line driver; non-inverting
(3-State)
Product specification
Supersedes data of 1995 Jul 14
IC23 Data Handbook
1998 Feb 25
Philips
Semiconductors






74ABT16825A Datasheet, Funktion
Philips Semiconductors
18-bit buffer/line driver; non-inverting (3-State)
Product specification
74ABT16825A
74ABTH16825A
AC WAVEFORMS
nAx INPUT
VM
tPLH
nYx
OUTPUT
VM
VM
tPHL
VM
3.0V or VCC
whichever
is less
0V
VOH
VOL
SA00016
Waveform 1. Input (nAx) to Output (nYx) Propagation Delays
nOEx INPUT
VM
VM
tPZL
tPLZ
3.5V
nYx OUTPUT
nYx OUTPUT
VM
tPZH
VM
tPHZ
VOL + 0.3V
VOL
VOH
VOH – 0.3V
0V
SA00071
Waveform 2. 3-State Output Enable and Disable Times
TEST CIRCUIT AND WAVEFORM
VCC
PULSE
GENERATOR
VIN
RT
D.U.T.
VOUT
CL
Test Circuit for 3-State Outputs
SWITCH POSITION
TEST SWITCH
tPLZ closed
tPZL closed
All other open
RL
RL
7.0V
90%
NEGATIVE
PULSE
POSITIVE
PULSE
10%
VM
10%
tW
VM
10%
tTHL (tF)
tTLH (tR)
90%
VM
90%
VM
tW
VM = 1.5V
Input Pulse Definition
90%
AMP (V)
0V
tTLH (tR)
tTHL (tF)
AMP (V)
10%
0V
DEFINITIONS
RL = Load resistor; see AC CHARACTERISTICS for value.
CL = Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
RT = Termination resistance should be equal to ZOUT of
pulse generators.
FAMILY
INPUT PULSE REQUIREMENTS
Amplitude Rep. Rate tW
tR
tF
74ABT/H16
3.0V
1MHz 500ns 2.5ns 2.5ns
SA00018
1998 Feb 25
6

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