74ALVT16652 데이터 시트보기 (PDF) - Philips Electronics
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74ALVT16652 Datasheet PDF : 14 Pages
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Philips Semiconductors
2.5V/3.3V 16-bit bus transceiver/register
(3-State)
Product specification
74ALVT16652
nSBA or
nSAB
nAx or nBx
VM
tPHL
VM
VM
tPLH
VM
3.0V or VCC
0V
VOH
VOL
SH00032
Waveform 3. Propagation Delay, SBA to nAx or SAB to nBx
ÉÉÉ ÉÉÉÉÉÉÉÉÉ nAxor
nBx
VM
ÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ ts(H)
VM
th(H)
VM
ts(L)
VM
th(L)
3.0V
or
VCC
0V
3.0V
or
nCPBA or
VCC
nCPAB
VM
VM
tW(L)
0V
NOTE: The shaded areas indicate when the input is permitted
to change for predictable output performance.
SH00049
Waveform 4. Data Setup and Hold Times
TEST CIRCUIT AND WAVEFORMS
nOEBA
nOEAB
VM
tPZH
VM
tPHZ
3.0V or VCC
whichever
is less
0V
VOH
nAx or nBx
VM
VY
0V
SH00050
Waveform 5. 3-State Output Enable Time to High Level and
Output Disable Time from High Level
nOEBA
nOEAB
nAx or
nBx
VM
tPZL
VM
tPLZ
VM
3.0V
or
VCC
0V
3.0V
or
VCC
VX
VOL 0V
SH00051
Waveform 6. 3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
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
11
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