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參數(shù)資料
| 型號： | KK74HC245AN |
| 廠商： | KODENSHI CORP. |
| 英文描述： | Octal 3-State Noninverting Bus Transceiver High-Performance Silicon-Gate CMOS |
| 中文描述： | 八路三態(tài)同相總線收發(fā)器的高性能硅柵CMOS |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 178K |
| 代理商： | KK74HC245AN |
TECHNICAL DATA
K K
74HC245A
Octal 3-State Noninverting
Bus Transceiver
High-Performance Silicon-Gate CMOS
ORDERING INFORMATION
KK
74HC245AN Plastic
KK
74HC245ADW SOIC
T
A
= -55
°
to 125
°
C for all packages
The
KK
74HC245A 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
KK
74HC245A 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
PIN ASSIGNMENT
LOGIC DIAGRAM
PIN 20=V
CC
PIN 10 = GND
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
1
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| KK74HC251A | 8-Input Data Selector/Multiplexer with 3-State Outputs High-Performance Silicon-Gate CMOS |
| KK74HC251AD | 8-Input Data Selector/Multiplexer with 3-State Outputs High-Performance Silicon-Gate CMOS |
| KK74HC251AN | 8-Input Data Selector/Multiplexer with 3-State Outputs High-Performance Silicon-Gate CMOS |
| KK74HC253A | Dual 4-Input Data Selector/Multiplexer with 3-State Otputs High-Performance Silicon-Gate CMOS |
| KK74HC253AD | Dual 4-Input Data Selector/Multiplexer with 3-State Otputs High-Performance Silicon-Gate CMOS |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| KK74HC251A | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:8-Input Data Selector/Multiplexer with 3-State Outputs High-Performance Silicon-Gate CMOS |
| KK74HC251AD | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:8-Input Data Selector/Multiplexer with 3-State Outputs High-Performance Silicon-Gate CMOS |
| KK74HC251AN | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:8-Input Data Selector/Multiplexer with 3-State Outputs High-Performance Silicon-Gate CMOS |
| KK74HC253A | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Dual 4-Input Data Selector/Multiplexer with 3-State Otputs High-Performance Silicon-Gate CMOS |
| KK74HC253AD | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Dual 4-Input Data Selector/Multiplexer with 3-State Otputs High-Performance Silicon-Gate CMOS |
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