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参数资料
| 型号： | SN74LS14DR2 |
| 厂商： | MOTOROLA INC |
| 元件分类： | 门电路 |
| 英文描述： | LS SERIES, HEX 1-INPUT INVERT GATE, PDSO14 |
| 封装： | SOIC-14 |
| 文件页数： | 1/3页 |
| 文件大小： | 45K |
| 代理商： | SN74LS14DR2 |
5-1
FAST AND LS TTL DATA
SCHMITT TRIGGERS
DUAL GATE/HEX INVERTER
The SN54LS / 74LS13 and SN54LS / 74LS14 contain logic gates / inverters
which accept standard TTL input signals and provide standard TTL output
levels. They are capable of transforming slowly changing input signals into
sharply defined, jitter-free output signals. Additionally, they have greater noise
margin than conventional inverters.
Each circuit contains a Schmitt trigger followed by a Darlington level shifter
and a phase splitter driving a TTL totem pole output. The Schmitt trigger uses
positive feedback to effectively speed-up slow input transitions, and provide
different input threshold voltages for positive and negative-going transitions.
This hysteresis between the positive-going and negative-going input
thresholds (typically 800 mV) is determined internally by resistor ratios and is
essentially insensitive to temperature and supply voltage variations.
14
13
12
11
10
9
123456
VCC
8
7
GND
LOGIC AND CONNECTION DIAGRAMS
SN54 / 74LS13
SN54 / 74LS14
14
13
12
11
10
9
123456
VCC
8
7
GND
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
VCC
Supply Voltage
54
74
4.5
4.75
5.0
5.5
5.25
V
TA
Operating Ambient Temperature Range
54
74
–55
0
25
125
70
°C
IOH
Output Current — High
54, 74
– 0.4
mA
IOL
Output Current — Low
54
74
4.0
8.0
mA
SN54/74LS13
SN54/74LS14
SCHMITT TRIGGERS
DUAL GATE / HEX INVERTER
LOW POWER SCHOTTKY
J SUFFIX
CERAMIC
CASE 632-08
N SUFFIX
PLASTIC
CASE 646-06
14
1
14
1
ORDERING INFORMATION
SN54LSXXJ
Ceramic
SN74LSXXN
Plastic
SN74LSXXD
SOIC
14
1
D SUFFIX
SOIC
CASE 751A-02
相关PDF资料 |
PDF描述 |
|---|---|
| SN74LS14NS | LS SERIES, HEX 1-INPUT INVERT GATE, PDIP14 |
| SN74LS14JS | LS SERIES, HEX 1-INPUT INVERT GATE, CDIP14 |
| SN74LS151MEL | LS SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDSO16 |
| SN74LS151NDS | LS SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDIP16 |
| SN74LS151NS | LS SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDIP16 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74LS14DRE4 | 功能描述:变换器 Hex Schmitt-Trigger 变换器 RoHS:否 制造商:NXP Semiconductors 电路数量:6 逻辑系列:74ABT 逻辑类型:BiCMOS 高电平输出电流:- 15 mA 低电平输出电流:20 mA 传播延迟时间:2.2 ns 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 工作温度范围: 封装 / 箱体:DIP-14 封装:Tube |
| SN74LS14DRG4 | 功能描述:变换器 Hex Schmitt-Trigger 变换器 RoHS:否 制造商:NXP Semiconductors 电路数量:6 逻辑系列:74ABT 逻辑类型:BiCMOS 高电平输出电流:- 15 mA 低电平输出电流:20 mA 传播延迟时间:2.2 ns 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 工作温度范围: 封装 / 箱体:DIP-14 封装:Tube |
| SN74LS14ML1 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74LS14MR1 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74LS14N | 功能描述:变换器 Hex Schmitt-Trigger RoHS:否 制造商:NXP Semiconductors 电路数量:6 逻辑系列:74ABT 逻辑类型:BiCMOS 高电平输出电流:- 15 mA 低电平输出电流:20 mA 传播延迟时间:2.2 ns 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 工作温度范围: 封装 / 箱体:DIP-14 封装:Tube |
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