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參數資料
| 型號： | KK74HC640A |
| 廠商： | KODENSHI CORP. |
| 英文描述： | Octal 3-State Inverting Bus Transceiver High-Performance Silicon-Gate CMOS |
| 中文描述： | 八路三態反相總線收發器的高性能硅柵CMOS |
| 文件頁數： | 1/6頁 |
| 文件大小： | 179K |
| 代理商： | KK74HC640A |
TECHNICAL DATA
K K
74HC640A
Octal 3-State Inverting
Bus Transceiver
High-Performance Silicon-Gate CMOS
ORDERING INFORMATION
KK
74HC640AN Plastic
KK
74HC640ADW SOIC
T
A
= -55
°
to 125
°
C for all packages
The
KK
74HC640A is identical in pinout to the LS/ALS640. The
device inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LS/ALSTTL outputs.
The
KK
74HC640A is a 3-state 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 (inverted)
L
H
Data Transmitted
from Bus A to
Bus B (inverted)
H
X
Buses Isolated
(High Impedance
State)
X = don’t care
1
相關PDF資料 |
PDF描述 |
|---|---|
| KK74HC640ADW | Octal 3-State Inverting Bus Transceiver High-Performance Silicon-Gate CMOS |
| KK74HC640AN | Octal 3-State Inverting Bus Transceiver High-Performance Silicon-Gate CMOS |
| KK74HC651A | Octal 3-State Bus Transceivers and D Flip-Flops High-Performance Silicon-Gate CMOS |
| KK74HC651ADW | Octal 3-State Bus Transceivers and D Flip-Flops High-Performance Silicon-Gate CMOS |
| KK74HC651AN | Octal 3-State Bus Transceivers and D Flip-Flops High-Performance Silicon-Gate CMOS |
相關代理商/技術參數 |
參數描述 |
|---|---|
| KK74HC640ADW | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Octal 3-State Inverting Bus Transceiver High-Performance Silicon-Gate CMOS |
| KK74HC640AN | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Octal 3-State Inverting Bus Transceiver High-Performance Silicon-Gate CMOS |
| KK74HC651A | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Octal 3-State Bus Transceivers and D Flip-Flops High-Performance Silicon-Gate CMOS |
| KK74HC651ADW | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Octal 3-State Bus Transceivers and D Flip-Flops High-Performance Silicon-Gate CMOS |
| KK74HC651AN | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Octal 3-State Bus Transceivers and D Flip-Flops High-Performance Silicon-Gate CMOS |
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