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參數資料
| 型號： | SN74LS280N |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | 9-BIT ODD/EVEN PARITY GENERATORS/CHECKERS |
| 中文描述： | LS SERIES, 9-BIT PARITY GENERATOR/CHECKER, COMPLEMENTARY OUTPUT, PDIP14 |
| 封裝： | 646-06 |
| 文件頁數： | 1/4頁 |
| 文件大小： | 164K |
| 代理商： | SN74LS280N |
5-456
FAST AND LS TTL DATA
9-BIT ODD/EVEN PARITY
GENERATORS/CHECKERS
The SN54/74LS280 is a Universal 9-Bit Parity Generator/Checker. It fea-
tures 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
∑
OUTPUTS
∑
∑
∑
FUNCTION TABLE
THRU 1 THAT ARE HIGH
OUTPUTS
NUMBER OF INPUTS A
∑
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
VCC
Supply Voltage
54
74
4.5
4.75
5.0
5.0
5.5
5.25
V
TA
Operating Ambient Temperature Range
54
74
–55
0
25
25
125
70
°
C
IOH
IOL
Output Current — High
54, 74
–0.4
mA
Output Current — Low
54
74
4.0
8.0
mA
SN54/74LS280
9-BIT ODD/EVEN PARITY
GENERATORS/CHECKERS
LOW POWER SCHOTTKY
ORDERING INFORMATION
SN54LSXXXJ
SN74LSXXXN
SN74LSXXXD
Ceramic
Plastic
SOIC
J SUFFIX
CERAMIC
CASE 632-08
N SUFFIX
PLASTIC
CASE 646-06
14
1
14
1
14
1
D SUFFIX
SOIC
CASE 751A-02
相關PDF資料 |
PDF描述 |
|---|---|
| SN74LS28D | QUAD 2-INPUT NOR BUFFER |
| SN74LS28N | QUAD 2-INPUT NOR BUFFER |
| SN74LS293 | 3V LNA, 4.5mA Low Current, 0.5-4GHz, SOT363(SC-70) |
| SN54LS293J | DECADE COUNTER; 4-BIT BINARY COUNTER |
| SN74LS293D | DECADE COUNTER; 4-BIT BINARY COUNTER |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SN74LS280NDS | 制造商:Motorola Inc 功能描述:PARITY GENERATOR/CHECKER, 14 Pin, Plastic, DIP |
| SN74LS280NE4 | 功能描述:奇偶功能 9-bit odd/evn parity Generator/Checker RoHS:否 制造商:Texas Instruments 電路數量:1 位數: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 |
| SN74LS280NS | 制造商:Texas Instruments 功能描述: |
| SN74LS280NSR | 功能描述:奇偶功能 9-bit odd/evn parity Generator/Checker RoHS:否 制造商:Texas Instruments 電路數量:1 位數: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 |
| SN74LS280NSRE4 | 功能描述:奇偶功能 9-bit odd/evn parity Generator/Checker RoHS:否 制造商:Texas Instruments 電路數量:1 位數: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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