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參數(shù)資料
| 型號： | MM74HC251MTC |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Zener Diode 225 mW 56 V ±5%SOT-23; Package: SOT-23 (TO-236) 3 LEAD; No of Pins: 3; Container: Tape and Reel; Qty per Container: 3000 |
| 中文描述： | HC/UH SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDSO16 |
| 封裝： | 4.40 MM, MO-153, TSSOP-16 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 74K |
| 代理商： | MM74HC251MTC |
September 1983
Revised February 1999
M
1999 Fairchild Semiconductor Corporation
DS005328.prf
www.fairchildsemi.com
MM74HC251
8-Channel 3-STATE Multiplexer
General Description
The MM74HC251 8-channel digital multiplexer with 3-
STATE outputs utilizes advanced silicon-gate CMOS tech-
nology. Along with the high noise immunity and low power
consumption of standard CMOS integrated circuits, it pos-
sesses the ability to drive 10 LS-TTL loads. The large out-
put drive capability and 3-STATE feature make this part
ideally suited for interfacing with bus lines in a bus oriented
system.
This multiplexer features both true (Y) and complement
(W) outputs as well as a STROBE input. The STROBE
must be at a low logic level to enable this device. When the
STROBE input is HIGH, both outputs are in the high
impedance state. When enabled, address information on
the data select inputs determines which data input is routed
to the Y and W outputs. The 74HC logic family is speed,
function, as well as pinout compatible with the standard
74LS logic family. All inputs are protected from damage
due to static discharge by internal diode clamps to V
CC
and
ground.
Features
I
Typical propagation delay
Data select to Y: 26 ns
I
Wide supply range: 2–6V
I
Low power supply quiescent current:
80
μ
A maximum (74HC)
I
3-STATE outputs for interface to bus oriented
systems
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Pin Assignments for DIP, SOIC, SOP and TSSOP
Top View
Order Number
MM74HC251M
MM74HC251SJ
MM74HC251MTC
MM74HC251N
Package Number
M16A
M16D
MTC16
N16E
Package Description
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150” Narrow
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MM74HC251N | 8-Channel 3-STATE Multiplexer |
| MM74HC251SJ | Zener Diode 225 mW 5.1 V ±5%SOT-23; Package: SOT-23 (TO-236) 3 LEAD; No of Pins: 3; Container: Tape and Reel; Qty per Container: 3000 |
| MM74HC251 | Low Current Operation at 250??A???Low Reverse Leakage,Low Noise Zener Diode(250??A?·￥?????μ?μ?????°????????????μ?μ?????????a?￡°???é???o3?o???????) |
| MM74HC259MTC | 8-Bit Addressable Latch/3-to-8 Line Decoder |
| MM74HC259 | Zener Diode 225 mW 5.6 V ±5%SOT-23; Package: SOT-23 (TO-236) 3 LEAD; No of Pins: 3; Container: Tape and Reel; Qty per Container: 3000 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MM74HC251MTC_Q | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 8-Chan 3-STATE Multi RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| MM74HC251MTCX | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 8-Chan 3-STATE Multi RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| MM74HC251MX | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 8-Chan 3-STATE Multi RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| MM74HC251N | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 8-Chan 3-STATE Multi RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| MM74HC251N | 制造商:Fairchild Semiconductor Corporation 功能描述:IC DECODERS/ENCODERS/MULTIPLEXERS/DEMUL |
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