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參數資料
| 型號： | MM74HCT643N |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Inverting Octal TRI-STATE Transceiver |
| 中文描述： | HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20 |
| 封裝： | PLASTIC, DIP-20 |
| 文件頁數： | 4/4頁 |
| 文件大?。?/td> | 140K |
| 代理商： | MM74HCT643N |
M
M
Physical Dimensions
inches (millimeters)
Cavity Dual-In line Package (J)
Order Number MM54HCT640J, MM54HCT643J, MM74HCT640J, or MM74HCT643J
See NS Package J20A
Moulded Dual-In line Package (N)
Order Number MM74HCT640N or MM74HCT643N
See NS Package N20A
LIFE SUPPORT POLICY
NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or
systems which, (a) are intended for surgical implant
into the body, or (b) support or sustain life, and whose
failure to perform, when properly used in accordance
with instructions for use provided in the labeling, can
be reasonably expected to result in a significant injury
to the user.
2. A critical component is any component of a life
support device or system whose failure to perform can
be reasonably expected to cause the failure of the life
support device or system, or to affect its safety or
effectiveness.
National Semiconductor
Corporation
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Arlington, TX 76017
Tel: 1(800) 272-9959
Fax: 1(800) 737-7018
National Semiconductor
Europe
Fax: (
a
49) 0-180-530 85 86
Email: cnjwge
@
tevm2.nsc.com
Deutsch Tel: (
a
49) 0-180-530 85 85
English
Tel: (
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49) 0-180-532 78 32
Fran
3
ais Tel: (
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49) 0-180-532 93 58
Italiano
Tel: (
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49) 0-180-534 16 80
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Hong Kong Ltd.
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Hong Kong
Tel: (852) 2737-1600
Fax: (852) 2736-9960
National Semiconductor
Japan Ltd.
Tel: 81-043-299-2309
Fax: 81-043-299-2408
National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.
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| MM74HCT688 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:8-Bit Magnitude Comparator (Equality Detector) |
| MM74HCT688WM92 | 制造商:National Semiconductor 功能描述:74HCT688 36/TUBE NSC S1I2B |
| MM74HCT688WMX | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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| MM74HCT74_05 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Dual D-Type Flip-Flop with Preset and Clear |
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