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參數(shù)資料
| 型號(hào)： | SN74LS280D |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | LOW POWER SCHOTTKY |
| 中文描述： | LS SERIES, 9-BIT PARITY GENERATOR/CHECKER, COMPLEMENTARY OUTPUT, PDSO14 |
| 封裝： | PLASTIC, SOIC-14 |
| 文件頁(yè)數(shù)： | 1/4頁(yè) |
| 文件大?。?/td> | 106K |
| 代理商： | SN74LS280D |
Semiconductor Components Industries, LLC, 1999
December, 1999 – Rev. 6
1
Publication Order Number:
SN74LS280/D
The SN74LS280 is a Universal 9-Bit Parity Generator/Checker. It
features odd/even outputs to facilitate either odd or even parity. By
cascading, the word length is easily expanded.
The LS280 is designed without the expander input implementation,
but the corresponding function is provided by an input at Pin 4 and the
absence of any connection at Pin 3. This design permits the LS280 to
be substituted for the LS180 which results in improved performance.
The LS280 has buffered inputs to lower the drive requirements to one
LS unit load.
Generates Either Odd or Even Parity for Nine Data Lines
Typical Data-to-Output Delay of only 33 ns
Cascadable for n-Bits
Can Be Used To Upgrade Systems Using MSI Parity Circuits
Typical Power Dissipation = 80 mW
14
13
12
11
10
9
1
G
2
H
3
4
I
5
∑
6
∑
8
7
V
CC
F
E
D
C
B
A
NC
EVEN
GND
F
E
D
C
B
A
G
H
I
INPUTS
INPUT
OUTPUTS
ODD
∑
EVEN
∑
ODD
INPUTS
FUNCTION TABLE
NUMBER OF INPUTS A
THRU 1 THAT ARE HIGH
OUTPUTS
∑
EVEN
∑
ODD
0, 2, 4, 6, 8
1, 3, 5, 7, 9
H
L
L
H
H = HIGH Level, L = LOW Level
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
V
CC
Supply Voltage
4.75
5.0
5.25
V
T
A
Operating Ambient
Temperature Range
0
25
70
°
C
I
OH
Output Current – High
–0.4
mA
I
OL
Output Current – Low
8.0
mA
LOW
POWER
SCHOTTKY
Device
Package
Shipping
ORDERING INFORMATION
SN74LS280N
14 Pin DIP
2000 Units/Box
SN74LS280D
14 Pin
SOIC
D SUFFIX
CASE 751A
http://onsemi.com
2500/Tape & Reel
PLASTIC
N SUFFIX
CASE 646
14
1
14
1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SN74LS280N | LOW POWER SCHOTTKY |
| SN74LS283 | LOW POWER SCHOTTKY |
| SN74LS283DR | 4 BIT BINARY FULL ADDERS WITH FAST CARRY |
| SN74LS283DRE4 | 4 BIT BINARY FULL ADDERS WITH FAST CARRY |
| SN74LS283D | LOW POWER SCHOTTKY |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74LS280DE4 | 功能描述:奇偶功能 9-bit odd/evn parity Generator/Checker RoHS:否 制造商:Texas Instruments 電路數(shù)量:1 位數(shù):9 邏輯系列:74AC 封裝 / 箱體:SOIC-14 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:263 ns 工作電源電壓:1.8 V, 2.5 V, 3.3 V, 5 V 最大工作溫度:+ 70 C 最小工作溫度:- 55 C 封裝:Reel |
| SN74LS280DG4 | 功能描述:奇偶功能 9B Odd Even Parity Generatr Checker RoHS:否 制造商:Texas Instruments 電路數(shù)量:1 位數(shù):9 邏輯系列:74AC 封裝 / 箱體:SOIC-14 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:263 ns 工作電源電壓:1.8 V, 2.5 V, 3.3 V, 5 V 最大工作溫度:+ 70 C 最小工作溫度:- 55 C 封裝:Reel |
| SN74LS280DR | 功能描述:奇偶功能 9-bit odd/evn parity Generator/Checker RoHS:否 制造商:Texas Instruments 電路數(shù)量:1 位數(shù):9 邏輯系列:74AC 封裝 / 箱體:SOIC-14 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:263 ns 工作電源電壓:1.8 V, 2.5 V, 3.3 V, 5 V 最大工作溫度:+ 70 C 最小工作溫度:- 55 C 封裝:Reel |
| SN74LS280DRE4 | 功能描述:奇偶功能 9-bit odd/evn parity Generator/Checker RoHS:否 制造商:Texas Instruments 電路數(shù)量:1 位數(shù):9 邏輯系列:74AC 封裝 / 箱體:SOIC-14 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:263 ns 工作電源電壓:1.8 V, 2.5 V, 3.3 V, 5 V 最大工作溫度:+ 70 C 最小工作溫度:- 55 C 封裝:Reel |
| SN74LS280DRG4 | 功能描述:奇偶功能 9B Odd Even Parity Generatr Checker RoHS:否 制造商:Texas Instruments 電路數(shù)量:1 位數(shù):9 邏輯系列:74AC 封裝 / 箱體:SOIC-14 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:263 ns 工作電源電壓:1.8 V, 2.5 V, 3.3 V, 5 V 最大工作溫度:+ 70 C 最小工作溫度:- 55 C 封裝:Reel |
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