PI74ALVCH16524 查看數據表（PDF） - Pericom Semiconductor
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PI74ALVCH16524 Datasheet PDF : 7 Pages
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PI74ALVCH16524
18-Bit Registered Bus Transceiver
with 3-State Outputs 1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
Parameter Measurement Information
VCC = 2.7V and 3.3V ±0.3V
Load Circuit
From Output
Under Test
CL = 50pF
(See Note A)
6V
500Ω
S1
Open
GND
500Ω
Test
tpd
tPLZ/tPZL
tPHZ/tPZH
S1
Open
6V
GND
Voltage Waveforms Setup and Hold Times
Voltage Waveforms Pulse Duration
Timing
Input
Data
Input
tsu
1.5V
1.5V
2.7V
0V
th
2.7V
1.5V
0V
Voltage Waveforms Propagation Delay Times
INPUT
1.5V
tPLH
OUTPUT
1.5V
2.7V
1.5V
0V
tPHL VOH
1.5V
VOL
Input
tw
1.5V
1.5V
2.7V
0V
Voltage Waveforms Enable and Disable Times
Output
Control
(Low-level
enabling)
tPZL
Output
Waveform 1
S1 at 6V
(see Note B)
tPZH
Output
Waveform 2
S1 at GND
(see Note B)
1.5V
1.5V
1.5V
1.5V
tPLZ
2.7V
0V
3V
VOL +0.3V
VOL
tPHZ
VOH -0.3V
VOH
0V
Figure 2. Load Circuit and Voltage Waveforms
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 inputs pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50Ω, tr ≤ 2 ns, tf ≤ 2 ns.
D. The outputs are measured one at a time with one transition per measurement.
E. tPLZ and tPHZ are the same as tdis.
F. tPZL and tPZH are the same as tten.
G. tPLH and tPHL are the same as tpd.
.
Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
7
PS8447A 11/06/00
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