GTLP16612AA Ver la hoja de datos (PDF) - Pericom Semiconductor
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GTLP16612AA Datasheet PDF : 8 Pages
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GTLP16612A
CMOS 18-Bit TTL/GTLP
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Test Circuits and Timing Waveforms
Test Circuit for A Outputs
From Output
Under Test
CL = 50pF
S
500Ω
500Ω
6V
Open
GND
Test Circuit for B Outputs
1.5V (GTLP)
1.2V (GTL)
From
Output
Under
Test
25Ω
30pF
CL includes probes and jig capacitance.
CL includes probes and jig capacitance.
For B-Port outputs, CL = 30pF is used for
worst case edge rate
Voltage Waveforms Pulse Duration
(Vm = 1.5V for A-Port and 1.0V for B-Port)
Voltage Waveforms Propagation
Delay Times (A-Port to B-Port)
Input
tw
Vm V
3.0V
Vm V
0V
INPUT 1.5V
t PLH
OUTPUT 1.0V
3.0V
1.5V
0V
t PHL
1.0V VOH
VOL
Voltage Waveforms Setup and Hold Times
(Vm = 1.5V for A-Port and 1.0V for B-Port)
Timing
Input
3.0V
Vm V
0V
tSU th
Data
Input
Vm V
3.0V
Vm V
0V
All input pulses
ZO = 50Ω. The
have the following characteristics: frequency
outputs are measured one at a time with one
=tra1n0sMitioHnz,pterr=mtfe=as2unrse,ment.
Voltage Waveforms Propagation
Delay Times (B-Port to A-Port)
INPUT 1.0V
t PLH
OUTPUT 1.5V
1.5V
1.0V
0V
t PHL
1.5V VOH
VOL
All input pulses have the following characteristics: frequency = 10 MHz, tp = 4 = 2ns, ZO
= 50Ω. The outputs are measured one at a time with one transition per measurement.
Voltage Waveforms Enable and Disable
Times (A-Port)
Output
Control
Output
Waveform 1
(S at 6V)
Output
Waveform 2
1.5V
tPZL
1.5V
tPZH
1.5V
3.0V
1.5V
tPLZ
0V
3.0V
VOL+0.3V
tPHZ
VOH-0.3V
VOL
VOH
0V
Waveforn 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high when disabled by the output control. All input
pulses have the following characteristics:
with one transition per measurement.
frequency
=
10
MHz,
tr
=
tf
=
2ns,
ZO
=
50Ω.
The
outputs
are
measured
one
at
a
time
7
PS8431 09/24/99
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