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参数资料
| 型号： | MC74HC251ADTR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/9页 |
| 文件大小： | 0K |
| 描述： | IC DATA SEL/MUX 3ST 8X1 16TSSOP |
| 标准包装： | 2,500 |
| 系列： | 74HC |
| 类型： | 数据选择器/多路复用器 |
| 电路： | 1 x 8:1 |
| 独立电路： | 1 |
| 输出电流高，低： | 5.2mA，5.2mA |
| 电压电源： | 单电源 |
| 电源电压： | 2 V ~ 6 V |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 带卷 (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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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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: |
| MC74HC251FL1 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述: |
| MC74HC251N | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Motorola Inc 功能描述: 制造商:ON Semiconductor 功能描述: |
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