74ABTH16241ADGG Просмотр технического описания (PDF) - Philips Electronics
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74ABTH16241ADGG Datasheet PDF : 10 Pages
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Philips Semiconductors
16-bit buffer/driver (3-State)
Product specification
74ABT16241A
74ABTH16241A
AC WAVEFORMS
VM = 1.5V, VIN = GND to 2.7V
nAx INPUT
VM
tPLH
nYx
VM
OUTPUT
VM
tPHL
VM
3.0V or VCC
whichever
is less
0V
VOH
VOL
SA00016
Waveform 1. Input (nAx) to Output (nYx) Propagation Delays
TEST CIRCUIT AND WAVEFORMS
nOE INPUT
VM
tPZL
VM
tPLZ
0V
3.5V
nYx OUTPUT
nYx OUTPUT
VM
tPZH
VM
tPHZ
VOL + 0.3V
VOL
VOH
VOH – 0.3V
0V
SH00092
Waveform 2. 3-State Output Enable and Disable Times
VCC
PULSE
GENERATOR
VIN
RT
D.U.T.
VOUT
CL
Test Circuit for 3-State Outputs
SWITCH POSITION
TEST SWITCH
tPLZ
closed
tPZL
7V
All other open
7.0V
OPEN
RL
GND
90%
NEGATIVE
PULSE
RL
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
74ABT16
3.0V
1MHz 500ns 2.5ns 2.5ns
SH00093
1998 Feb 25
6
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