PI74ALVTC16245A Ver la hoja de datos (PDF) - Pericom Semiconductor
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PI74ALVTC16245A Datasheet PDF : 10 Pages
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PI74ALVTC16245
16-Bit BiDirectional Transceiver
with 3-State Outputs 1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
Test Circuits and Switching Waveforms
Parameter Measurement Information (VDD = 1.8V - 3.6V)
Switch Position
Test
S1
tpd
Open
tPLZ/tPZL
2 x VDD
Ω
tPHZ/tPZH
GND
Ω
Setup, Hold, and Release Timing
Data
Input
Timing
Input
tSU
tH
VDD
VDD/2
0V
VDD
VDD/2
0V
Notes:
A. CL includes probe and jig capacitance.
B. Waveform 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 except when disabled by
the output control.
C. All input pulses are supplied by generators having the
following characteristics: PRR ≤ 10 MHz, ZO = 50Ω,
tr ≤ 2ns, tf ≤ 2ns, measured from 10% to 90%, unless
otherwise specified.
D. The outputs are measured one at a time with one
transition per measurement.
Pulse Width
Low-High-Low
Pulse
tW
High-Low-High
Pulse
VDD
VDD/2
0V
VDD
VDD/2
0V
Propagation Delay
Input
tPLH
Output
tPHL
Opposite Phase
Input Transition
Enable Disable Timing
VDD
VDD/2
tPHL
0V
VDD
VDD/2
tPLH
VOL
VDD
VDD/2
0V
Output
Control
(Active LOW)
tPZL
Output
Waveform 1
S1 at 2xVDD
(see Note B) tPZH
Output
Waveform 2
S1 at GND
(see Note B)
tPLZ
VDD
VDD/2
tPHZ
VDD/2
VDD
VDD/2
0V
VDD
+0.15V
VOL
-0.15V VOH
0V
8
PS8354B 09/22/04
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