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參數(shù)資料
| 型號： | MC74HC251ADR2G |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DATA SEL/MUX 3ST 8X1 16SOIC |
| 標準包裝： | 2,500 |
| 系列： | 74HC |
| 類型： | 數(shù)據(jù)選擇器/多路復用器 |
| 電路： | 1 x 8:1 |
| 獨立電路： | 1 |
| 輸出電流高，低： | 5.2mA，5.2mA |
| 電壓電源： | 單電源 |
| 電源電壓： | 2 V ~ 6 V |
| 工作溫度： | -55°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 16-SOIC |
| 包裝： | 帶卷 (TR) |
Semiconductor Components Industries, LLC, 2010
January, 2010 Rev. 0
1
Publication Order Number:
MC74HC251A/D
MC74HC251A
8-Input Data Selector/
Multiplexer with
3-State Outputs
HighPerformance SiliconGate CMOS
The MC54/74HC251 is identical in pinout to the LS251. The device
inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LSTTL outputs.
This device selects one of the eight binary Data Inputs, as
determined by the Address Inputs. The Output Enable pin must be a
low level for the selected data to appear at the outputs. If Output
Enable is high, both the Y and the Y outputs are in the
highimpedance state. This 3state feature allows the HC251 to be
used in busoriented systems.
The HC251 is similar in function to the HC251 which does not have
3state outputs.
Features
Output Drive Capability: 10 LSTTL Loads
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2 to 6 V
Low Input Current: 1 mA
High Noise Immunity Characteristic of CMOS Devices
These are PbFree Devices
http://onsemi.com
MARKING
DIAGRAMS
SOIC16
D SUFFIX
CASE 751B
TSSOP16
DT SUFFIX
CASE 948F
1
16
1
16
HC251AG
AWLYWW
HC
251A
ALYWG
G
1
16
A
= Assembly Location
WL, L
= Wafer Lot
YY, Y
= Year
WW, W = Work Week
G or G
= PbFree Package
See detailed ordering and shipping information in the package
dimensions section on page 6 of this data sheet.
ORDERING INFORMATION
(Note: Microdot may be in either location)
PIN ASSIGNMENT
1
16
13
14
15
16
9
10
11
12
5
4
3
2
1
8
7
6
D7
D6
D5
D4
VCC
A2
A1
A0
D0
D1
D2
D3
GND
OUTPUT
ENABLE
Y
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MC74HC251ADTG | 功能描述:編碼器、解碼器、復用器和解復用器 IC MULTIPLEXER 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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| MC74HC251ADTR2G | 功能描述:編碼器、解碼器、復用器和解復用器 4 CH. EMI FILTER 3ST 8INPUT 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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| MC74HC251D | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC74HC251DR2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC74HC251F | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述: |
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