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參數(shù)資料
| 型號： | MC74HC157AN |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | Quad 2-Input Data Selectors/Multiplexers |
| 中文描述： | HC/UH SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDIP16 |
| 封裝： | 648-08 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 222K |
| 代理商： | MC74HC157AN |
SEMICONDUCTOR TECHNICAL DATA
1
REV 6
Motorola, Inc. 1995
10/95
! !
! "
High–Performance Silicon–Gate CMOS
The MC54/74HC157A is identical in pinout to the LS157. The device
inputs are compatible with standard CMOS outputs; with pullup resistors,
they are compatible with LSTTL outputs.
This device routes 2 nibbles (A or B) to a single port (Y) as determined by
the Select input. The data is presented at the outputs in noninverted form. A
high level on the Output Enable input sets all four Y outputs to a low level.
The HC157A is similar in function to the HC257 which has 3–state outputs.
Output Drive Capability: 10 LSTTL Loads
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
In Compliance with the Requirements Defined by JEDEC Standard
No. 7A
Chip Complexity: 82 FETs or 20.5 Equivalent Gates
LOGIC DIAGRAM
2
5
11
14
3
6
10
13
4
7
9
12
1
15
A0
A1
A2
A3
B0
B1
B2
B3
Y0
Y1
Y2
Y3
SELECT
OUTPUT
ENABLE
DATA
OUTPUTS
NIBBLE
A INPUTS
NIBBLE
B INPUTS
PIN 16 = VCC
PIN 8 = GND
FUNCTION TABLE
PIN ASSIGNMENT
Inputs
Output
Enable
H
L
L
Outputs
Y0 – Y3
L
A0–A3
B0–B3
Select
X
L
H
X = don’t care
A0 – A3, B0 – B3 = the levels
of the respective Data–Word
Inputs.
13
14
15
16
9
10
11
12
5
4
3
2
1
8
7
6
SELECT
Y0
B0
A0
Y1
B1
A1
GND
Y3
B3
A3
OUTPUT
ENABLE
VCC
B2
A2
Y2
D SUFFIX
SOIC PACKAGE
CASE 751B–05
N SUFFIX
PLASTIC PACKAGE
CASE 648–08
ORDERING INFORMATION
MC54HCXXXAJ
MC74HCXXXAN
MC74HCXXXAD
MC74HCXXXADT
Ceramic
Plastic
SOIC
TSSOP
1
16
1
16
1
16
DT SUFFIX
TSSOP PACKAGE
CASE 948F–01
J SUFFIX
CERAMIC PACKAGE
CASE 620–10
1
16
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| MC74HC164AD | 8-Bit Serial-Input/Parallel-Output Shift Register |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC74HC157AND | 制造商:Motorola Inc 功能描述: |
| MC74HC157ANG | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 2-6V Quad 2-Input Data Selector 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 |
| MC74HC157N | 制造商:Motorola Inc 功能描述: |
| MC74HC158ADR2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述: |
| MC74HC158AF | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述: |
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