74LVT16541 データシートの表示（PDF） - Philips Electronics
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74LVT16541 Datasheet PDF : 5 Pages
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Philips Semiconductors Low Voltage Products
3.3V ABT 16-bit buffer/driver (3-State)
Preliminary specification
74LVT16541A
AC WAVEFORMS
VM = 1.5V, VIN = GND to 2.7V
nAx
INPUT
nYx
OUTPUT
1.5V
tPLH
1.5V
nOE INPUT
1.5V
tPHL
2.7V
0V
1.5V
VOH
VOL
nYx
OUTPUT
nYx
OUTPUT
1.5V
tPZL
1.5V
tPZH
1.5V
1.5V
tPLZ
tPHZ
2.7V
0V
3.0V
VOL + 0.3V
VOL
VOH
VOH – 0.3V
Waveform 1. Waveforms Showing the Input to Output
Propagation Delays
0V
Waveform 2. Waveforms Showing the 3-State Output
Enable and Disable Times
TEST CIRCUIT AND WAVEFORMS
VCC
PULSE
GENERATOR
VIN
RT
D.U.T
VOUT
CL
Test Circuit for 3-State Outputs
SWITCH POSITION
TEST SWITCH
tPLZ/tPZL
tPLH/tPHL
tPHZ/tPZH
6V
Open
GND
6.0V
90%
Open
NEGATIVE
GND
PULSE
RL
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
74LVT16
INPUT PULSE REQUIREMENTS
Amplitude Rep. Rate
tW
tR
tF
2.7V
≤10MHz 500ns ≤2.5ns ≤2.5ns
July 1994
5
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