参数资料
型号: SN74LS280D
厂商: MOTOROLA INC
元件分类: 通用总线功能
英文描述: 9-BIT ODD/EVEN PARITY GENERATORS/CHECKERS
中文描述: LS SERIES, 9-BIT PARITY GENERATOR/CHECKER, COMPLEMENTARY OUTPUT, PDSO14
封装: SOIC-14
文件页数: 1/4页
文件大小: 164K
代理商: SN74LS280D
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
相关PDF资料
PDF描述
SN74LS280N 9-BIT ODD/EVEN PARITY GENERATORS/CHECKERS
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)
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相关代理商/技术参数
参数描述
SN74LS280DE4 功能描述:奇偶功能 9-bit odd/evn parity Generator/Checker RoHS:否 制造商:Texas Instruments 电路数量:1 位数:9 逻辑系列:74AC 封装 / 箱体:SOIC-14 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:263 ns 工作电源电压:1.8 V, 2.5 V, 3.3 V, 5 V 最大工作温度:+ 70 C 最小工作温度:- 55 C 封装:Reel
SN74LS280DG4 功能描述:奇偶功能 9B Odd Even Parity Generatr Checker RoHS:否 制造商:Texas Instruments 电路数量:1 位数:9 逻辑系列:74AC 封装 / 箱体:SOIC-14 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:263 ns 工作电源电压:1.8 V, 2.5 V, 3.3 V, 5 V 最大工作温度:+ 70 C 最小工作温度:- 55 C 封装:Reel
SN74LS280DR 功能描述:奇偶功能 9-bit odd/evn parity Generator/Checker RoHS:否 制造商:Texas Instruments 电路数量:1 位数:9 逻辑系列:74AC 封装 / 箱体:SOIC-14 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:263 ns 工作电源电压:1.8 V, 2.5 V, 3.3 V, 5 V 最大工作温度:+ 70 C 最小工作温度:- 55 C 封装:Reel
SN74LS280DRE4 功能描述:奇偶功能 9-bit odd/evn parity Generator/Checker RoHS:否 制造商:Texas Instruments 电路数量:1 位数:9 逻辑系列:74AC 封装 / 箱体:SOIC-14 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:263 ns 工作电源电压:1.8 V, 2.5 V, 3.3 V, 5 V 最大工作温度:+ 70 C 最小工作温度:- 55 C 封装:Reel
SN74LS280DRG4 功能描述:奇偶功能 9B Odd Even Parity Generatr Checker RoHS:否 制造商:Texas Instruments 电路数量:1 位数:9 逻辑系列:74AC 封装 / 箱体:SOIC-14 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:263 ns 工作电源电压:1.8 V, 2.5 V, 3.3 V, 5 V 最大工作温度:+ 70 C 最小工作温度:- 55 C 封装:Reel