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參數(shù)資料
| 型號： | PI74LVTC245S |
| 廠商： | Pericom Semiconductor Corp. |
| 元件分類： | 通用總線功能 |
| 英文描述： | 3.3V 8 BIT BIDIRECTIOANAL TRANCEIVER WITH 3 STATE OUTPUTS |
| 中文描述： | 3.3V的8位BIDIRECTIOANAL TRANCEIVER 3態(tài)輸出 |
| 文件頁數(shù)： | 6/8頁 |
| 文件大小： | 186K |
| 代理商： | PI74LVTC245S |
6
PS8691 07/01/03
PI74LVTC245
3.3V, 8-Bit Bi-Directional Tranceiver
with 3-State Outputs
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PARAMETER MEASUREMENT INFORMATION
V
CC
= 2.7V and 3.3V ±0.3V
Load Circuit
t
T
1
S
t
t
t
H
Z
Z
L
L
H
P
P
P
t
t
t
L
L
H
H
Z
Z
P
P
P
n
e
p
V
6
N
G
O
D
Notes:
A. C
L
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 impulses are supplied by generators having the following characteristics: PRR
≤
10 MHz, Z
O
= 50ohm, t
R
≤
2.5ns, t
F
≤
2.5ns.
D. The outputs are measured one at a time with one transition per measurement.
Figure 1. Load Circuit and Voltage Waveforms
Voltage Waveforms
Propagation Delay Times
Voltage Waveforms
Enable and Disable Times
Voltage Waveforms
Pulse Duration
t
PZL
Output
Control
(Low Level
Enabling)
0V
1.5V
1.5V
1.5V
1.5V
t
PLZ
t
PHZ
V
OL
3V
0V
t
PZH
+0.3V
–0.3V
Output
Waveform 1
S1 at 6V
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
V
OH
V
OH
V
OL
2.7V
500ohm
500ohm
6V
Open
GND
S1
From Output
Under Test
CL = 50pF
(See Note A)
Input
t
PLH
t
PHL
0V
Output
V
OH
V
OL
1.5V
1.5V
1.5V
2.7V
1.5V
Input
t
W
1.5V
2.7V
1.5V
0V
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