74ALVT16543 Ver la hoja de datos (PDF) - Philips Electronics
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Fabricante
74ALVT16543 Datasheet PDF : 14 Pages
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Philips Semiconductors
2.5V/3.3V 16-bit registered transceiver (3-State)
Product specification
74ALVT16543
ÉÉÉ nAx,
ÉÉÉ nBx
VM
ts(H)
nLEAB, nLEBA,
nEAB, nEBA
3.0V or VCC
whichever
ÉÉÉÉÉÉÉÉÉ VM
VM VM
is less
ÉÉÉÉÉÉÉÉÉ0V
th(H)
ts(L)
th(L)
3.0V or VCC
whichever
VM
tw(L)
VM
is less
0V
NOTE: The shaded areas indicate when the input is permitted
to change for predictable output performance.
SW00187
Waveform 3. Data Setup and Hold Times and Latch Enable
Pulse Width
nOEAB, nOEBA,
nEAB, nEBA
VM
tPZL
VM
tPLZ
nAx, nBx
VM
3.0V or VCC
whichever
is less
0V
3.0V or VCC
whichever
is less
VOL
SW00189
Waveform 5. 3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
nOEAB, nOEBA,
nEAB, nEBA
nAx, nBx
VM
tPZH
VM
tPHZ
VM
3.0V or VCC
whichever
is less
0V
3.0V or VCC
0V
SW00188
Waveform 4. 3-State Output Enable Time to High Level and
Output Disable Time from High Level
TEST CIRCUIT AND WAVEFORMS
VIN
PULSE
GENERATOR
VCC
D.U.T.
VOUT
6.0V or VCC x 2
90%
Open
NEGATIVE
GND
PULSE
RL
tW
VM
10%
tTHL (tF)
VM
10%
VIN
90%
0V
tTLH (tR)
RT
CL
RL
Test Circuit for 3-State Outputs
SWITCH POSITION
POSITIVE
PULSE
10%
tTLH (tR)
90%
VM
tW
90%
VM
tTHL (tF)
VIN
10%
0V
TEST
tPLZ/tPZL
tPLH/tPHL
tPHZ/tPZH
SWITCH
6V or VCC x 2
Open
GND
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.
INPUT PULSE REQUIREMENTS
FAMILY
Amplitude Rep. Rate tW
tR
tF
3.0V or VCC
74ALVT16 whichever v10MHz
is less
500ns v2.5ns v2.5ns
SW00025
1998 Feb 13
10
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