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參數(shù)資料
| 型號： | HC245 |
| 廠商： | System Logic Semiconductor Co., Ltd. |
| 英文描述： | Bipolar Transistor; Transistor Polarity:N Channel; Power Dissipation:0.2W; DC Current Gain Min (hfe):20; Collector Current:0.5A; Power (Ptot):200mW |
| 中文描述： | 八路三態(tài)同相總線收發(fā)器 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 49K |
| 代理商： | HC245 |
SL74HC245
S ystem Logic
Semiconductor
SLS
Octal 3-State Noninverting Bus Transceiver
High-Performance Silicon-Gate CMOS
The SL74HC245 is identical in pinout to the LS/ALS245. The device
inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LS/ALSTTL outputs.
The SL74HC245 is a 3-state noninverting transceiver that is used
for 2-way asynchronous communication between data buses. The
device has an active-low Output Enable pin, which is used to place the
I/O ports into high-impedance states. The Direction control determines
whether data flows from A to B or from B to A.
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2.0 to 6.0 V
Low Input Current: 1.0
μ
A
High Noise Immunity Characteristic of CMOS Devices
ORDERING INFORMATION
SL74HC245N Plastic
SL74HC245D SOIC
T
A
= -55
°
to 125
°
C for all packages
PIN ASSIGNMENT
FUNCTION TABLE
Control Inputs
Output
Enable
Direction
Operation
L
L
Data Transmitted
from Bus B to Bus
A
L
H
Data Transmitted
from Bus A to Bus
B
H
X
Buses Isolated
(High Impedance
State)
X = don’t care
LOGIC DIAGRAM
PIN 20=V
CC
PIN 10 = GND
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| HC2-4R7 | 制造商:COOPER BUSSMANN 功能描述:Ind High Current Power Metal Foil 4.7uH 20% 300KHz 17A Bulk |
| HC2-4R7-R | 功能描述:固定電感器 4.7uH 21.25A 0.0046ohms RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm |
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