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參數資料
| 型號： | PI74LCX245 |
| 廠商： | Pericom Semiconductor Corp. |
| 英文描述： | Fast CMOS 3.3V 8-Bit Bidirectional Transceiver |
| 中文描述： | 快速CMOS 3.3V的8位雙向收發器 |
| 文件頁數： | 1/4頁 |
| 文件大小： | 86K |
| 代理商： | PI74LCX245 |
1
PS2099A 02/13/97
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PI74LCX245
Fast CMOS 3.3V 8-Bit
Bidirectional Transceiver
Product Features
Functionally compatible with FCT3, LVT, and 74 series
245 families of products
Tri-State outputs
5V Tolerant inputs and outputs
2.0V-3.6V V
CC
supply operation
Balanced sink and source output drives (24 mA)
Low ground bounce outputs
Supports live insertion
ESD Protection exceeds 2000V, Human Body Model
200V, Machine Model
Packages available:
– 20-pin 209-mil wide plastic SSOP (H)
– 20-pin 173-mil wide plastic TSSOP (L)
– 20-pin 150-mil wide plastic QSOP (Q)
– 20-pin 300-mil wide plastic SOIC (S)
Product Description
Pericom Semiconductor’s PI74LCX series of logic circuits are
produced in the Company’s advanced 0.6 micron CMOS technology
achieving high speed while maintaining low power operation.
The PI74LCX245 is an 8-bit bidirectional transceiver designed for
asynchronous two-way communication between data buses.
The transmit/receive input pin (T/R) determines the direction of data
flow through the bidirectional transceiver. Transmit (active HIGH)
enables data from A ports to B ports, and receive (active LOW) from
B ports to A ports. The output enable (OE) input, when HIGH,
disables both A and B ports by placing them in HIGH Z condition.
The PI74LCX245 can be driven from either 3.3V or 5.0V devices
allowing this device to be used as a translator in a mixed 3.3V/5.0V
system.
Logic Block Diagram
Product Pin Configuration
Product Pin Description
Truth Table
(1)
Note:
1. H = High Voltage Level, X = Don’t Care,
L = Low Voltage Level, Z = High Impedance
s
p
n
I
)
s
p
O
)
E
O
R
/
T
L
L
A
s
B
o
a
D
B
s
B
L
H
B
s
B
o
a
D
A
s
B
H
X
Z
e
h
g
H
20-PIN
H20
L20
Q20
S20
e
m
a
N
n
n
o
D
OE
e
a
n
E
W
O
L
t
e
p
O
v
A
(
e
s
p
n
)
R
/
t
p
n
l
o
C
n
o
D
7
A
-
A
r
s
p
p
O
n
A
e
d
e
s
7
B
-
B
r
s
p
p
O
n
B
e
d
e
s
D
N
G
d
n
u
o
G
V
CC
r
w
o
P
B
0
A
0
OE
T/R
B
1
A
1
B
2
A
2
B
3
A
3
B
4
A
4
B
5
1
A
5
B
6
A
6
B
7
A
7
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相關代理商/技術參數 |
參數描述 |
|---|---|
| PI74LCX245Q | 制造商:Pericom Semiconductor Corporation 功能描述: |
| PI74LCX573Q | 制造商:Pericom Semiconductor Corporation 功能描述:Latch Transparent 3-ST 8-CH D-Type 20-Pin QSOP Tube |
| PI74LCX573QX | 制造商:Pericom Semiconductor Corporation 功能描述:Latch Transparent 3-ST 8-CH D-Type 20-Pin QSOP T/R |
| PI74LPT16244AA | 功能描述:IC BUFF DVR 16BIT N-INV 48TSSOP RoHS:否 類別:集成電路 (IC) >> 邏輯 - 緩沖器，驅動器，接收器，收發器 系列:74LPT 標準包裝:1,000 系列:74ABT 邏輯類型:寄存收發器，非反相 元件數:1 每個元件的位元數:8 輸出電流高，低:32mA，64mA 電源電壓:4.5 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:24-SOIC 包裝:帶卷 (TR) |
| PI74LPT16244AAE | 功能描述:緩沖器和線路驅動器 16B Buffer/Line Driver RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
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