74ALVT16827 Просмотр технического описания (PDF) - Philips Electronics
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74ALVT16827 Datasheet PDF : 10 Pages
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Philips Semiconductors
2.5V/3.3V 20-bit buffer/line driver, non-inverting
(3-State)
Product specification
74ALVT16827
AC WAVEFORMS
VM = 1.5V for VCC w 3.0V; VM = VCC/2 for VCC v 2.7V
VX = VOL + 0.3V for VCC w 3.0V; VX = VOL + 0.15V for VCC v 2.7V
VY = VOH – 0.3V for VCC w 3.0V; VY = VOH – 0.15V for VCC v 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. The Input (nAx) to Output (nYx) Propagation
Delays
TEST CIRCUIT AND WAVEFORM
nOEx
INPUT
nYx
OUTPUT
nYx
OUTPUT
V
M
tPZL
VM
tPZH
VM
VM
tPLZ
tPHZ
3.0V or VCC
whichever
is less
0V
3.0V or VCC
VX
VOL
VOH
VY
0V
SW00174
Waveform 2. The 3-State Output Enable and Disable Times
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%
90%
AMP (V)
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)
AMP (V)
10%
0V
TEST SWITCH
tPLZ/tPZL
tPLH/tPHL
tPHZ/tPZH
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
SW00205
1998 Feb 13
7
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